Leonardo Mayer will have the chance to win a third German Tennis Championships title in five years after saving match point to defeat Jozef Kovalik in the semi-finals.

Dominic Thiem was stunned as all three top seeds departed the German Tennis Championships at the quarter-final stage.

Andy Murray seemingly aimed a dig at United States president Donald Trump as he prepared for the Citi Open.

Nick Kyrgios barely raised a sweat as the second seed reached the Atlanta Open quarter-finals, though Frances Tiafoe and Jeremy Chardy were not so fortunate.

Kyrgios needed just 56 minutes to dismantle

Dominic Thiem eased through to the quarter-finals in Hamburg on Thursday, as Fabio Fognini and Borna Coric were dumped out of the Swiss Open Gstaad.

Reigning champion and top seed John Isner powered past Alex de Minaur into the Atlanta Open quarter-finals.

Diego Schwartzman eased serenely into the quarter-finals of the German Tennis Championships with a straight-sets win over Daniel Masur but Fernando Verdasco suffered a shock defeat. 

Two-time US Open semi-finalist Mikhail Youzhny has announced he will retire from the ATP World Tour later this year.

Donald Young came from a set down to beat Ivo Karlovic 2-6 7-6 (7-5) 7-6 (8-6) at the Atlanta Open.

On his first outing since an opening-round exit at Wimbledon, Dominic Thiem eased past Corentin Moutet and into the last 16 of the German Tennis Championships on Tuesday.

Alex de Minaur set up a last-16 showdown with top seed John Isner before wet weather cut short play at the Atlanta Open. 

Diego Schwartzman got a morale-boosting victory at the German Tennis Championships on a mixed day for the big names in Hamburg. 

World number two Roger Federer has withdrawn from the Rogers Cup in a bid to ease his schedule. 

Steve Johnson shrugged off a shoulder injury to claim the Hall of Fame Championships title against first-time ATP tour finalist Ramkumar Ramanathan.

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