Juan Martin del Potro – the 2011 champion – went down 7-6 (8-6) 4-6 7-5 to 20-year-old American Frances Tiafoe Thursday.
A jury ruled in Eugenie Bouchard's favour in New York Thursday as the 23-year-old seeks damages from the USTA.
Gael Monfils and Australian Open runner-up Marin Cilic returned Thursday and the former emerged triumphant in straight sets.
Talking about his early withdrawal at Open 13 Marseille, Stan Wawrinka said his left knee flared up in the first set.
Clearly struggling for fitness, Stan Wawrinka was forced to retire from his Open 13 Marseille match against Ilya Ivashka on Thursday.
After a torrid 2017, Angelique Kerber's resurgence continued in Dubai, and Rainer Schuttler says she is back to her rightful top-10 ranking.
A third semi-final of 2018 awaits Angelique Kerber, who defeated Karolina Pliskova in straight sets at the Dubai Tennis Championships.
Jack Sock, John Isner and Milos Raonic were the only seeds in action on Wednesday and the trio surprisingly crashed out.
Rain led to play being suspended at the Rio Open with Marin Cilic and Gael Monfils locked in battle.
Novak Djokovic – plagued by an ongoing elbow problem – appears to be on the comeback trail, according to his latest Instagram post.
It was supposed to be a cherished and enjoyable moment but it was one of fear for Serena Williams after giving birth last September.
It has been over five years since it last happened, but Roger Federer is back at world number one after reaching the Rotterdam Open semis.
Roger Federer became the oldest man to top the ATP rankings thanks to Friday's 4-6 6-1 6-1 win over Robin Haase at the Rotterdam Open.
The first semi-final at the Rotterdam Open was cut short when David Goffin was hit in the face by the ball and suffered an eye injury.
Japanese star Kei Nishikori claimed a hard-fought 4-6 6-3 6-1 quarter-final win over Radu Albot on Friday.
Dominic Thiem earned his second final-four appearance of the season after defeating home favourite Guido Pella in straight sets on Friday.
A run to the semi-finals of the Rotterdam Open has seen the evergreen Roger Federer move back to the top of the ATP rankings.
Amid all the plaudits after becoming the oldest world number one, Roger Federer showed he has a sense of humour as he poked fun at himself.
Dominic Thiem – the second seed – accounted for Serbian Dusan Lajovic 6-2 7-5 on the clay courts in Rio de Janeiro.
A day after ensuring he will become the oldest male world number one, Roger Federer beat Andreas Seppi to reach the Rotterdam Open final.