Kei Nishikori is pursuing his first ATP Tour title since Brisbane in 2019.

Miomir Kecmanovic beats Thiago Monteiro in three sets in Buenos Aires on Wednesday to earn his first clay-court win of the season.

Andy Murray was aiming to reach his fourth ABN AMRO World Tennis Tournament quarter-final.

Stan Wawrinka hits a backhand at 2020 Roland Garros.

Ronaldo meets with Roger Federer in Madrid in 2006.

Football legend Ronaldo and doubles star Marcelo Melo chat at the 2016 Mutua Madrid Open.

Andrey Rublev has won his past 17 matches at ATP 500 events.

Stefanos Tsitsipas and Petros Tsitsipas earn their first tour-level win together by beating Sander Gille and Joran Vliegen.

Sunita Sugita has attended more than 100 Roger Federer matches around the world.

Sunita Sugita watched Roger Federer play live for the first time at Wimbledon in 2008.

Martine Lessire has seen Roger Federer play live on 44 occasions.

Martine Lessire began supporting Roger Federer in 2008.

Novak Djokovic has broken the all-time record for most weeks at No. 1 in the FedEx ATP Rankings.

Dusan Lajovic records his fifth Top 10 win on Wednesday over Daniil Medvedev in Rotterdam.

Alexander Bublik records the biggest win of his career on Wednesday by beating Alexander Zverev in Rotterdam.

Under the changes, a player will be able to count either 50% of his 2019 Madrid result, or 100% of his 2021 Madrid result, whichever is greater.

Frances Tiafoe does not face a break point in his first-round victory against Facundo Bagnis on Tuesday in Buenos Aires.

Stefanos Tsitsipas hits 31 winners to beat Egor Gerasimov in the first round of the ABN AMRO World Tennis Tournament.

Stefanos Tsitsipas earns his second career win in Rotterdam on Tuesday by defeating Egor Gerasimov in straight sets.

Andy Murray beat Andrey Rublev in straight sets at the 2017 Australian Open.

Andrey Rublev will try to earn his first ATP Head2Head win against Andy Murray (0-1) on Wednesday in Rotterdam.

Second seeds Mate Pavic and Nikola Mektic improve to 13-1 on the season after beating Robin Haase and Matwe Middelkoop on Tuesday in Rotterdam.

Karen Khachanov is now 2-2 in his ATP Head2Head series against Stan Wawrinka, after beating the 2015 champion in Rotterdam on Tuesday.