World No 1 Novak Djokovic had no explanation for his flat performance in a stunning semi-final loss to Japan's Kei Nishikori at the U.S. Open on Saturday.
Croatian Ivo Karlovic hit a record 45 aces en route to beating third seed Tomas Berdych and reach the Halle Open semi-finals on Friday.
World No 1 Novak Djokovic eased his way into the Australian Open semi-finals, brushing aside Canada's Milos Raonic with a 7-6(5), 6-4, 6-2 victory.
Rafael Nadal rallied from a set down to ease past Fabio Fognini 4-6, 6-1, 6-2 in the Italian Open quarter-finals on Friday and set up a mouth-watering clash against long-time adversary Novak Djokovic for a place in Sunday's final. Djokovic plotted a similar path to the Spanish clay-court king when the Serb lost the first set against Japan's Kei Nishikori before recovering to win 2-6, 6-1, 6-3 and seal an open-era record 51st career meeting against Nadal.
World number one Andy Murray shrugged off a sluggish start to reach his fifth French Open semi-final with a 2-6, 6-1, 7-6(0), 6-1 defeat of Japan's Kei Nishikori.
World number two Roger Federer edged past Ivo Karlovic 7-6(3), 7-6(4) on Saturday to reach the Halle Open final and stay on course for his eighth title in the grasscourt Wimbledon warmup event.
A few days after it appeared as though a Roger Federer impersonator had gatecrashed the 02 Arena, the Swiss great resumed normal service to outplay Kevin Anderson and reach the last four of the ATP Finals on Thursday.
In-form Victoria Azarenka battled past an ailing but determined second seed Angelique Kerber to set up a Miami Open final showdown against Svetlana Kuznetsova with a 6-2, 7-5 victory on Thursday.
IMAGES from matches on Day 8 at the French Open
A summary of sports events and sports persons, who made news on Monday.
IMAGES from Day 5 of the Australian Open in Melbourne, on Friday.
Fourth seed David Ferrer used all of his cunning and exploited Kei Nishikori's nagging knee injury to advance to the quarter-finals of the Australian Open with a 6-2, 6-1, 6-4 victory on Sunday.
World No 2 Rafael Nadal brushed aside American Jared Donaldson 6-1, 6-1 and will next face Diego Schwartzman after the Argentine beat Roberto Carballes 6-3, 6-1.
Roger Federer and Rafael Nadal powered to third-round wins at the BNP Paribas Open at Indian Wells on Tuesday to set up a mouth-watering rematch of their recent Australian Open final.
Defending champion Angelique Kerber battled her nerves and blew a match point in the second set before finally overcoming Lesia Tsurenko 6-2, 5-7, 6-2 to reach the second round.
Images from the Australian Open in Melbourne on Thursday.
Nadal no longer 'immovable' object in Paris.
It was a freak accident that set the claycourt major abuzz.
Rafael Nadal left German qualifier Yannick Maden no hope as he booked his ticket for the third round of the French Open in ruthless fashion with a 6-1, 6-2, 6-4 victory.
Zverev's brother Mischa Zverev was also eliminated, going out 6-3, 6-1 to David Ferrer in the first round, while Kei Nishikori eased to a 7-5, 6-2 win over Taylor Fritz to secure a place in the third round.
Roger Federer made a comfortable start to his quest for a 100th title, despatching Fabio Fognini in straight sets to ease into the quarter-finals at the Paris Masters on Thursday.
Japanese teenager Kei Nishikori reached his first ATP semi-final with a 6-2, 6-4 victory over Bobby Reynolds.
The positive cases were recorded after the charter flight from Los Angeles landed in Melbourne for the tennis Grand Slam, according to online posts from players.
Marin Cilic became the first Croatian to win a Grand Slam singles final in 13 years with his victory at the US Open in New York on Monday.
Czech defending champion Katerina Siniakova fended off Maria Sharapova in a fiercely contested match at the Shenzhen Open on Friday to set up a final with world number one Simona Halep.
With a crop of talented young players knocking on the door of the exclusive men's Grand Slam club, the 'Big Four' hegemony over the game's top tournaments may be coming to a close.
Vishnu Vardhan impressed one and all with his gritty fight against Kei Nishikori in his Davis Cup debut match but Somdev Devvarman feels it's too early to declare that India have got the second specialist singles player for the prestigious tournament.
Andy Murray could beat Roger Federer on Thursday and crash out of the ATP World Tour Finals or lose and go through to the semi-finals -- such is the conundrum he faces.
Defending champion Novak Djokovic was beaten 7-6(6) 6-1 3-6 7-6(5) by American Sam Querrey in the Wimbledon third round on Saturday. The Serbian top seed trailed by two sets overnight after the Court One match was interrupted by rain on Friday and there was no escape for the 29-year-old as Querrey, the 28th seed, completed a huge shock.
Teenager Kei Nishikori became the first Japanese to reach an ATP final at the Delray Beach International.
Swiss second seed Stanislas Wawrinka won a hard-hitting battle with American Jack Sock on Thursday to reach the quarter-finals at the Rogers Cup with a 7-6(3), 6-2 triumph.
Following a whirlwind few years, Japanese tennis star Naomi Osaka can be forgiven for taking time to reset and relax as the sporting world goes on an indefinite pause due to the coronavirus crisis. Osaka, a two-time Grand Slam winner who also became the first Japanese player to reach world number one, had been preparing for another action-packed summer including her Olympics debut on home soil at Tokyo 2020.
Professional sports events in Italy have been played without fans since March due to the COVID-19 pandemic but sports minister Vincenzo Spadafora said fans would be allowed to attend the closing stages of the tournament on Sunday and Monday.
Roger Federer won the Swiss Indoors title for the fifth time in six years when he demolished unseeded Kei Nishikori in the final on his home town tournament on Sunday.
Roger Federer's hopes of knocking Novak Djokovic off the top of the ATP world rankings before the end of the year took a hit when he lost to big-serving Canadian Milos Raonic in the Paris Masters quarter-finals on Friday.
Yuichi Sugita and Kei Nishikori helped Japan to a commanding 2-0 lead against India in the Davis Cup World Group Play-Off tie in Tokyo on Friday.
Images from the third day at the US Open, the final Grand Slam tournament of the year, in New York, on Wednesday:
World No 1 Novak Djokovic will meet second-ranked Andy Murray in a blockbuster final at the Madrid Open after beating Kei Nishikori 6-3, 7-6 (4) on Saturday.
Images from Day 4 of the 2021 US Open in New York on Thursday.
World No 1 Novak Djokovic maintained his perfect tournament record and advanced to his fifth China Open final with a 6-3, 6-4 victory against Andy Murray on Saturday.