Jack Sock's struggles continued with a first-round loss at the New York Open, while Tennys Sandgren also fell on Monday.

Now unranked, Sock needed a wildcard into the ATP 250 tournament and suffered a 6-3 6-4 loss to fellow American Marcos Giron.

A former world number eight, Sock won just one singles match last year – at the Laver Cup.

Giron created 10 break points and converted four on his way to victory in 76 minutes.

Coming off a run to the Australian Open quarter-finals, Sandgren suffered a 6-7 (5-7) 6-3 7-6 (7-3) loss to Steve Johnson.

Sandgren squandered seven match points in a last-eight loss to Roger Federer in Melbourne and the fifth seed was edged by Johnson.

Sixth seed Miomir Kecmanovic and Italian veteran Andreas Seppi posted wins over Tommy Paul and Damir Dzumhur respectively.

At the Argentina Open, Casper Ruud was the only seed in action and eased past Pablo Andujar 6-2 6-3.

Pablo Cuevas, Federico Delbonis and Thiago Monteiro also moved into the second round.

Grigor Dimitrov consigned Denis Shapovalov to another early exit with a straight-sets victory in the first round of the Rotterdam Open.

Shapovalov was beaten by fellow Canadian Vasek Pospisil in his opening match at the Oden Sud de France last week after falling at the first hurdle at the Australian Open.

The world number 16 suffered another setback on Monday, going down 6-3 7-6 (7-3) to the unseeded Dimitrov.

Dimitrov was beaten by outsider Gregoire Barrere in his first match in Montpellier last week but claimed a fourth tour-level victory of the year after saving all three break points he faced against the eighth seed.

The former world number three could face another Canadian in the form of Felix Auger-Aliassime or German Jan-Lennard Struff in the second round.

Roberto Bautista Agut, the sixth seed, came from a set down to defeat Marton Fucsovics, while fellow Spaniard Pablo Carreno Busta downed Adrian Mannarino 7-5 6-7 (3-7) 6-4.

Dan Evans advanced in the final match of the opening day of the tournament, seeing off qualifier Philipp Kohlschreiber 6-3 7-5.

Daniil Medvedev sees plenty of positives from his start to the 2020 season despite a fourth-round exit at the Australian Open.

Medvedev reached the US Open final last year but could not reproduce that run on the hard courts in Melbourne.

He was knocked out in the last 16 in a thrilling five-set match with Stan Wawrinka, having also fallen short in an absorbing three-set contest with Novak Djokovic in the ATP Cup semi-final.

Not dispirited by those defeats, Medvedev was in upbeat mood ahead of the Rotterdam Open, where he will be the top seed.

Speaking to the ATP Tour, Medvedev said of his year so far: "I think I have played some good tennis.

"I lost two really strong matches I would say, and of course I always want to win and show better results, but I am just trying to do my thing, stay in there and spend hours on the practice court.

"Try to show the best I can in the tournament, the best during the matches and as I say regarding the results, of course I want something better all the time, but if we talk about my tennis and the wins I had, they were quite good."

Asked about how he motivates himself, Medvedev explained: "To be honest there are a lot of days like this, really a lot.

"It's our job, it's not for fun, it's our job and for me the best motivation that has always pushed me, no matter what ranking I had, was to [be] better, I wanted to win more tournaments whether it was ATP Challengers before and now ATPs, grand slams.

"If I allow myself some days to text my coach and say, 'I don't want to practice today, can we practice tomorrow?' I can do that, tennis is an individual sport, but I just know that it's not going to make a good impact on my results and that's what I'm here for and that's why I push myself."

Cristian Garin captured his third ATP Tour title after upstaging Diego Schwartzman in the Cordoba Open final.

Garin rallied from a set down to stun top seed Schwartzman 2-6 6-4 6-0 following more than two hours on the clay in Cordoba on Sunday.

Schwartzman was eyeing his first ATP Tour title on home soil – the Argentinian reached the Argentina Open final in Buenos Aires last year.

The three-time Tour champion appeared on track to break through for a maiden crown in his homeland.

However, Chilean Garin had other ideas as he spoiled the party at the ATP 250 tournament.

Garin, who lost his first four matches of the season and then fell in the Australian Open second round, converted six break points and saved nine.

Gael Monfils became the Open Sud de France champion for the third time on Sunday after defeating Vasek Pospisil.

The 33-year-old, who triumphed in Montpellier in 2010 and 2014, won 7-5 6-3 to become the eighth French champion in the 10 editions of the tournament since it was relocated from Lyon.

Pospisil, who battled past second seed David Goffin to reach only his second ATP Tour final, failed to make the most of four break points against the Monfils serve in an hour and 37 minutes.

At the Pune Open, Jiri Vesely ended a five-year wait to lift a Tour title after overcoming Egor Gerasimov.

Vesely saved match points in his quarter-final and semi-final to book a showdown with Gerasimov, which he won 7-6 (7-2) 5-7 6-3.

"I have to be realistic. I had a lot of luck in the week, saving six match points [across] two matches in a row," he said.

"I think that happens once in a lifetime, maybe, you never know…

"Two matches in a row, especially in the quarter-finals and semi-finals, is really big."

Vesely is the eighth player since 2013 to save match points in two matches en route to winning a Tour event.

Diego Schwartzman and Cristian Garin booked their spots in the Cordoba Open final with three-set wins on Saturday.

Schwartzman reached a final in his homeland for the second time thanks to a 6-1 1-6 6-2 victory over Laslo Djere in their semi-final.

The Argentine top seed landed two breaks of serve in the third set to win in just under two hours and reach the final at the ATP 250 event played on clay.

Schwartzman is into his eighth ATP Tour final and will be aiming for his fourth title when he faces Garin.

Garin, the third seed, was too good for Slovakian Andrej Martin 2-6 6-2 6-2.

The Chilean moved into his fourth ATP Tour final – each of those has been on clay – and is eyeing a third title.

Gael Monfils will face Vasek Pospisil in the final of the Open Sud de France after the home favourite clinched a straight-sets win over Filip Krajinovic.

Seeking his third title at the event, world number nine Monfils triumphed 7-6 (7-4) 6-2 in 82 minutes against the Serbian.

Monfils saved all three break points against Krajinovic in an impressive victory that maintains France's perfect record of ensuring a home player reaches the final of the Montpellier tournament.

The 2010 and 2014 champion will meet Pospisil on Sunday after the Canadian defeated David Goffin in three sets.

Goffin served for the match in the decider but lost three decisive games in a row as Pospisil triumphed 6-3 1-6 7-5 in two hours and 21 minutes.

At the Pune Open, Australia's James Duckworth was beaten 7-6 (7-2) 6-4 by Egor Gerasimov in the semi-finals.

The Belarusian dropped only five points behind his first serve as he reached a maiden ATP Tour final, where he will face Jiri Vesely.

Vesely saved match points for the second round in a row, outlasting second seed Ricardas Berankis 6-7 (8-10) 7-6 (7-3) 7-6 (9-7) in a draining encounter to secure a first final in nearly five years.

Laslo Djere stunned defending champion Juan Ignacio Londero to book his spot in the Cordoba Open semi-finals, while top seed Diego Schwartzman also advanced.

Djere dethroned eighth seed Londero following a 6-7 (5-7) 6-3 7-6 (7-5) victory on the Cordoba clay courts on Friday.

Serbian fourth seed Djere rallied from a set down to earn a semi-final showdown with Schwartzman at the ATP 250 tournament.

World number 14 Schwartzman defeated Spanish fifth seed Albert Ramos-Vinolas 6-0 7-6 (7-0) in one hour, 40 minutes.

Schwartzman, who lost to eventual champion Novak Djokovic in the Australian Open fourth round last month, is eyeing his fourth Tour title and first in his native Argentina.

Cristian Garin – the third seed – and Andrej Martin will meet in the other semi-final.

Garin prevailed 1-6 6-3 6-4 over sixth seed Pablo Cuevas and Martin accounted for Corentin Moutet 6-3 6-2.

Roger Federer and Rafael Nadal smashed the world record for attendance at a tennis match as the superstars went head-to-head in the Match in Africa.

A record-breaking 51,954 fans watched the charity exhibition at the Cape Town Stadium on Friday – 20-time grand slam champion Federer beating Nadal 6-4 3-6 6-3.

Federer and Alexander Zverev had previously set the record when they attracted 42,217 spectators for their exhibition in Mexico in November.

Organised by Federer's foundation, the Swiss sensation teamed up with Microsoft owner Bill Gates to face Nadal and South African-born Daily Show host Trevor Noah for a doubles encounter.

Federer and Gates were too good for Nadal and Noah, winning 6-3 to open proceedings in South Africa.

Rugby World Cup winner and South Africa star Siya Kolisi presented Federer with a Springboks jersey before the showpiece event on Friday.

Federer then outlasted Nadal – who is one title adrift of his enduring rival's all-time slam record – in the sixth edition of the Match in Africa.

Both players travelled to South Africa after their Australian Open campaigns did not go according to plan, Federer beaten by eventual champion Novak Djokovic in the semi-finals, while top seed Nadal was upstaged by runner-up Dominic Thiem in the quarters.

Top seed Gael Monfils is the only home hope still standing at the Open Sud de France after beating Norbert Gombos in straight sets to reach the semi-finals.

The world number nine downed Slovakian Gombos 6-3 6-4 in Montpellier on Friday to stay in contention to win the tournament for a third time.

Filip Krajinovic stands in the way of Monfils and a place in the final after the seventh seed accounted for Gregoire Barrere 6-2 7-5.

Vasek Pospisil moved into the last four when Richard Gasquet retired at 6-1 1-0 down in his homeland due to an abdominal injury.

David Goffin will take on the Canadian after the second seed saw off Pierre-Hugues Herbert 6-4 7-6 (7-5).

James Duckworth reached his maiden ATP Tour semi-final with a 6-3 7-6 (7-4) defeat of qualifier Roberto Marcora at the Pune Open.

The 96-ranked Australia will come up against Egor Gerasimov, who came from a set down to beat Kwon Soon-woo 4-6 7-6 (7-1) 6-4.

Jiri Vesely and Ricardas Berankis will contest the other semi-final after getting past Ilya Ivashka and Yuichi Sugita respectively.

Defending champion Juan Ignacio Londero returned to the Cordoba Open quarter-finals, while top seed Diego Schwartzman also advanced.

Londero progressed to the last eight of the ATP 250 tournament thanks to a 6-3 6-3 win over Argentinian compatriot Pedro Cachin on Thursday.

Cordoba was the scene of Londero's breakthrough ATP Tour title last year, the Argentine player capping a fairytale week by overcoming countryman Guido Pella in three sets.

Next up for Londero on the red clay is Serbian fourth seed Laslo Djere, who beat Spanish qualifier Pedro Martinez 6-3 6-4.

"I was a little nervous and that's why I talked to myself a lot and that's how I got in the game. The way I have to activate [myself] is by encouraging myself a lot. If I keep quiet, that doesn't happen. It was a game with many nerves for me, and I am glad I won it in straight sets," Londero said.

"For me, it is more a motivation than a pressure to play in Cordoba and try to defend the title. If I had to defend the tournament elsewhere, without having the support of my family, my friends who can see me live, the truth is that I think it would be more difficult anywhere else. I have been having a good time."

Albert Ramos-Vinolas – the fifth seed – outlasted Pablo Andujar 6-3 6-7 (4-7) 6-4 to set up a clash with Schwartzman, who defeated Jaume Munar 6-1 7-5.

David Goffin saved five set points and negotiated an underarm serve before defeating Alexander Bublik 6-3 7-6 (9-7) at the Open Sud de France.

World number 10 Goffin has started the season in impressive form and remains on course for a first ATP Tour title since Tokyo in 2017.

The second seed bested Bublik's varied strokeplay over the course of one hour and 47 minutes, with the 22-year-old even serving underarm in a bid to deceive Goffin as a gripping second-set tie break slipped away.

Goffin will face Pierre-Hugues Herbert in the quarter-finals after the home favourite claimed an impressive 7-6 (7-2) 7-5 triumph against Felix Auger-Aliassime.

Herbert was a finalist in Montpellier last year, while countryman Richard Gasquet remained in contention for his fourth win at the event by beating Feliciano Lopez 6-7 (1-7) 6-4 6-2.

Vasek Pospisil, a winner in the all-Canadian clash with Denis Shapovalov on Wednesday, is up next for Gasquet, who retained his place in a draw stacked with French hopes.

Gael Monfils came from a set down to beat compatriot Adrian Mannarino 4-6 6-1 6-4, joining Gregoire Barrere – a shock winner over Grigor Dimitrov a day ago - in the last eight.

Filip Krajinovic will be Barrere's next opponent after demolishing qualifier Mikael Ymer 6-1 6-1, with Norbert Gombos also seeing off Emil Ruusuvuori in straight sets.

At the Pune Open, top seed Benoit Paire was dumped out in straight sets by Roberto Marcora – the Italian qualifier prevailing 6-4 6-4.

Elsewhere, seeds Ricardas Berankis, Kwon Soon-woo, Yuichi Sugita, James Duckworth and Egor Gerasimov emerged unscathed to reach the quarter-finals.

Cristian Garin cruised into the Cordoba Open quarter-finals, while Guido Pella bowed out after a three-hour marathon on Wednesday.

Garin, the third seed at the ATP 250 event played on clay, rushed past Hungarian Attila Balazs 6-3 6-0 in just 68 minutes in Argentina.

The Chilean incredibly lost just eight points on serve, while converting five of 16 break points in a dominant performance.

Garin will face Uruguayan sixth seed Pablo Cuevas, who survived a test to get past Italian Gianluca Mager 6-7 (5-7) 7-6 (7-2) 6-1.

Pella, the second seed and last year's runner-up, fell to Frenchman Corentin Moutet after a gruelling contest.

Moutet beat Pella at the French Open last year and he repeated the feat courtesy of a 6-7 (4-7) 7-5 6-3 victory after just over three hours on court.

Slovakian Andrej Martin will face Moutet after overcoming Spanish qualifier Carlos Taberner 6-3 7-6 (9-7).

Richard Gasquet got his quest for a fifth Open Sud de France title off to a strong start as he defeated compatriot Gilles Simon 6-4 6-4 in Montpellier, but three seeds struggled.

Gasquet – three times a champion in Montpellier and once in Lyon – needed just 87 minutes to overcome Simon in his first-round match on Wednesday and set up a last-16 tie against Feliciano Lopez, who beat eighth seed Ugo Humbert.

The other first-round match saw Adrian Mannarino defeat Alexei Popyrin and progress to face top seed Gael Monfils.

Two last-16 matches also took place, with world number 23 Grigor Dimitrov, who entered as a wildcard and was seeded fourth, going down 6-7 (4-7) 6-4 7-5 to Gregoire Barrere.

Third seed Denis Shapovalov also suffered a quick exit as he lost to Vasek Pospisil 6-2 6-3.

Meanwhile, at the Pune Open, second seed Ricardas Berankis saved two set points as he rallied to defeat Cedrik-Marcel Stebe 7-6 (7-2) 6-1.

World number 73 Berankis will go up against Yuichi Sugita, who progressed without playing after Viktor Troicki withdrew due to fever, in the quarter-finals. Jiri Vesely and Ilya Ivashka also progressed.

Roger Federer said only Rafael Nadal could make Sunday's exhibition "truly special" for those in attendance in Cape Town.

Swiss great Federer will face off against his most famous rival in the sixth edition of the Match for Africa series, organised by the 20-time grand slam winner's foundation.

Federer will team up with Microsoft owner Bill Gates to face Nadal and Daily Show host Trevor Noah, who was born in South Africa, for a doubles encounter before the two tennis greats meet in a singles match.

When planning to host the event in Cape Town, Federer only had one opponent in mind and said he had been trying to enlist Nadal's help for some time.

"I have been thinking about this idea for a few years now and I always ask myself the question: where, with whom, how big, how small should it be?" Federer told a news conference.

"The initial idea was let's just get one done so at least I did play here and the people got to see me, my family that I still have here got to see me.

"As the idea grew and it ended up let's try to go big and we went bigger and bigger. For me at one point when I realised something very special could happen, for me it was only Rafa who could make this event truly special for the people here. 

"I have the connection to Rafa and if somebody could maybe bring him down to South Africa it is me. I asked him and he said yes right away.

"We have been fighting over a date for the last two years so I finally got one out of him. He wanted to do it earlier. We were both ready, but there was just too much going on with our schedules.

"I couldn't be more excited to see Rafa arriving tomorrow morning."

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