Marin Cilic beat unseeded German Michael Berrer 6-4, 6-7, 6-3 on Sunday to win the Zagreb Indoors tournament for the second successive year and clinch his fifth career title.
World number one Novak Djokovic was disqualified from his US Open fourth round match against Pablo Carreno Busta on Sunday after the Serbian struck a line judge with a ball following a point.
Rohan Bopanna put up a gallant fight against world number 18 Viktor Troicki before losing as India conceded a 0-1 lead against top seed and defending champions Serbia in the first round of the Davis Cup World Group tie in Novi Sad on Friday.
Top seed and holder Jo-Wilfried Tsonga advanced to the semi-finals of the Thailand Open after a testing 6-7 6-3 6-4 win over unseeded Swiss Marco Chiudinelli on Friday. The French world number seven, who squeezed through in a tense opening match a day earlier, recovered after losing a first-set tiebreak to plot his course for the semis, where he will meet Viktor Troicki or John Isner.
Third seed Andy Murray's smooth progress at Wimbledon continued with a 6-2 6-3 6-4 victory over Serbia's Viktor Troicki on Saturday to reach the last 16.
A back injury forced the Indian ace to withdraw from the doubles draw.
Rohan Bopanna and Aisam-ul-haq-Qureshi erased a one-set deficit against Janko Tipsaveric and Viktor Troicki to storm into the semi-finals of the St. Petersburg Open.
World number one Rafael Nadal needed two tie-breaks to outlast Stanislas Wawrinka 7-6 7-6 at the Sony Ericsson Open on Tuesday, the Spaniard's win completing an ominous march into the quarter-finals for the top seeds.
Argentine Juan Martin Del Potro ended top seed David Ferrer's reign as Japan Open champion with a 6-1, 7-5 quarter-final victory.
Top seed Rafael Nadal continued his merciless path through the U.S. Open draw on Saturday with a 6-4 6-3 6-0 third-round victory over Serbian Viktor Troicki.
Russian Igor Kunitsyn ended the run of Indian qualifier Somdev Devvarman with a 6-4, 6-1 victory in the quarter-finals of the Washington ATP.
World number three Dominic Thiem is "extremely sorry" for the way players conducted themselves at Novak Djokovic's Adria Tour exhibition event after which four players tested positive for the novel coronavirus, the Austrian said on Thursday. Djokovic, Grigor Dimitrov, Borna Coric and Viktor Troicki tested positive after playing in the charity tournament in Serbia and Croatia, which drew big crowds and saw players pose for pictures together.
Serbian former world number 12 Viktor Troicki will appeal to the Court of Arbitration (CAS) against the 18-month ban slapped on him by the International Tennis Federation (ITF) for refusing to provide a blood sample at this year's Monte Carlo Masters.
Organisers of the world's biggest tournaments say they will not make the same mistakes as they reopen the sport and seek to keep the players safe.
Rafael Nadal battled to a 7-6, 7-5, 6-1 win over Viktor Troicki in the first round at the Australian Open.
Also in action on the first day at Roland Garros is men's second seed Alexander Zverev who meets Ricardas Berankis of Lithuania on Court Suzanne-Lenglen.
Rohan Bopanna and Pablo Cuevas yet again failed to click as a team, losing the closely-fought opening round of the ATP Indian Wells Masters to Novak Djokovic and Viktor Troicki, in Indian Wells
Leander Paes celebrated his 42nd birthday by making it to the men's doubles quarter-finals of the ATP Aegon Championships at Queen's Club, on Wednesday.
India's Rohan Bopanna joined forces with Marcin Matkowski to reach the doubles semi-finals of the Dubai Duty Free Tennis Championships.
Andy Murray eased into the second round of the St Petersburg Open with a 6-3, 6-3 win over Serbia's Viktor Troicki.
Petra Kvitova completed her preparations for an assault on a third Grand Slam title in triumphant style on Friday by downing fellow Czech Karolina Pliskova 7-6, 7-6 to win the Sydney International title.
Australian Nick Kyrgios has hit out at Alexander Zverev after a video appeared to show the German dancing at a crowded club on Sunday despite the world No. 7 pledging last week he would be self-isolating. The video was posted on Instagram by German designer Philipp Plein and later deleted. There was no indication when the video was taken.
Dominic Thiem and home crowd favourite Filip Krajinovic reached the final of Novak Djokovic's tournament as the world number one broke down in tears in front of a packed 4,000 crowd on Sunday. World number three Thiem beat Grigor Dimitrov in straight sets to set up the clash with Krajinovic.
Serbia had their backs to the wall when Kazakh veteran Mikhail Kukushkin beat debutant Miomir Kecmanovic in a three-hour epic in the first singles rubber. But Djokovic calmly levelled the tie with a straight-sets defeat of Alexander Bublik before returning to court to team up with Nikola Cacic and beat Kazakh pair Andrey Golubev and Aleksandr Nedovyesov 6-2, 2-6, 6-3.
The fourth seed Indo-Romanian pair needed 70 minutes to get the better of the 2014 US Open champions Marin Cilic of Croatia and Frank Moser of Germany 6-3, 7-6(10).
A hot-headed Viktor Troicki added his name to Wimbledon's hall of shame on Thursday after he blew his top at umpire Damiano Torella following an over-rule in the dying seconds of his second-round defeat by Spain's Albert Ramos-Vinolas.
Djokovic received a lot of heat from the tennis community and fans alike after testing positive.
Indo-Australian pair of Mahesh Bhupathi and Nick Kyrgios failed to cross the opening hurdle of the men's doubles event, suffering a straight-set defeat against Lucas Pouille and Thanasi Kokkinakis in the French Open.
Paes and Raja dispatched the pair of Nikoloz Basilashvili and Andreas Haider-Maurer 6-2, 6-3 in their opening round.
Rediff.com takes a look at players who tested positive for use of banned substances over the years.
It is a U-turn from Novak Djokovic after his June statements that competing at the 2020 US Open would be 'impossible' due to 'extreme' COVID-19 protocols for the tournament at Flushing Meadows.
World No 15 Marin Cilic is under the radar of the International Tennis Federation for failing a drug test during the BMW Open in Munich in April, it has been reported.
World No 2 Rafael Nadal sailed into the quarter-finals of the China Open, his first tournament in 13 weeks, with a 6-3, 6-4 win over German qualifier Peter Gojowczyk on Thursday.
India's Leander Paes and Purav Raja sailed into the men's doubles second round in the duo's first outing at a Grand Slam but Sania Mirza and Rohan Bopanna crashed out of their respective events in the US Open.
Kyrgios shot back at Coric, saying he "should care" about his comments.
Djokovic's father blamed the cancellation of the tour on Dimitrov. There is nothing to suggest that Dimitrov spread the virus to others.
Richard Gasquet won a 13th career singles title by beating fellow Frenchman Paul-Henri Mathieu 7-5 6-4 in the Open Sud de France final in Montpellier on Sunday.
Garbine Muguruza reached the French Open quarter-finals for the third year in a row when a solid display earned her a 6-3, 6-4 victory against former champion Svetlana Kuznetsova.
World number one Serena Williams and second seed Angelique Kerber progressed through the first round of the Rio Olympics tennis on Sunday despite windy conditions that delayed play on most of the smaller tennis courts.
Kevin Anderson produced a devastating display of serving power to reach the final of the Aegon Championships with a 6-3, 6-7(6), 6-3 defeat of gallant Frenchman Gilles Simon at Queen's Club on Saturday.