Gauff will not compete in the Tokyo Olympics after testing positive for COVID-19,
Images from Day 6 of the 2023 Australian Open at Melbourne Park on Saturday.
Nick Kyrgios produced a serve-and-volley masterclass to topple world number one Daniil Medvedev 6-7(2), 6-4, 6-2 for his eighth straight win on a day of upsets, while American Tommy Paul rallied to beat Spanish second seed Carlos Alcaraz.
The German world number seven claimed his first ATP crown of the year after besting Canada's Felix Auger-Aliassime 6-3, 6-3 to win the bett1HULKS Indoor title at the same venue last Sunday.
Federer, a 20-times Grand Slam champion and regarded as one of the greatest players of all time, announced last week that a persistent knee injury meant he was ending his 24-year career.
Images from Saturday's action at the Australian Open.
IMAGES from Day 5 of the French Open at Roland Garros in Paris on Thursday.
Fabio Fognini and Salvatore Caruso had to be separated by the court supervisor after the first all-Italian Australian Open men's singles match
Australia's Alex de Minaur fought back from a set down to beat former world number one Andy Murray
A round-up of all the tennis action from around the globe.
Zverev's serve played a big role in the victory, his third of the year, as the World No 3 won all but two of his first-serve points in the final, which lasted 74 minutes.
Nishikori is the latest high-profile men's player to pull out of the season's first Grand Slam following the withdrawal of Briton Andy Murray on Saturday.
Nagal's court coverage and solid defence in long drawn points was the highlight of his win.
Novak Djokovic enjoyed a stress-free return to US competition following a two year absence
IMAGES from Day 6 of the 2023 US Open on Saturday.
Australian Nick Kyrgios has put his hand up to help the victims of raging bushfires in his country by promising a $200 donation for every ace he serves during the home summer season. More than 1,000 homes have been destroyed by the fires fuelled by searing temperatures and high winds, with Kyrgios' hometown of Canberra experiencing its worst air quality and residents have been told to stay indoors.
Images from Day 8 of Wimbledon 2022 at the All England Lawn Tennis and Croquet Club in London, on Monday.
Holger Rune crashed out to Yoshihito Nishioka in the ATP 250 Adelaide International 1 first round.
Novak Djokovic produced a stunning performance to thrash Frances Tiafoe in his first match since winning Wimbledon in July to edge Team Europe ahead in the Laver Cup on Saturday.
The traditional handshake at the net quickly degenerated into a heated argument when Fabio Fognini suggested Salvatore Caruso was lucky on some points in the match, an observation the Sicilian objected to.
Images from Day 8 of the 2022 Australian Open at Melbourne Park on Monday.
Favourites Russia Tennis Federation opened their Davis Cup Finals campaign with a resounding victory over Ecuador, Britain began with a win against France and Italy eased into the quarter-finals with a win over Colombia on Saturday.
Some of the most iconic moments of Roger Federer's glittering career featured Rafael Nadal across the net but on Friday his great Spanish rival will be alongside him for his final bow.
Top seed Roger Federer dispatched Greek third seed Stefanos Tsitsipas 6-4, 6-4 in the semi-finals of the Swiss Indoors championships in Basel.
Former world number one Simona Halep stepped up her French Open preparations with a 6-4, 6-4 victory over American Coco Gauff to march into the quarter-finals of the Madrid Open on Monday while Andy Murray won on clay for the first time in five years.
Novak Djokovic kicked off his season in style with a 7-5, 7-5 win over Canadian talent Denis Shapovalov on his favourite Rod Laver Arena court on Tuesday before returning to lead Serbia to a doubles victory that sealed their ATP Cup opener 2-1.
In doubles, probably for first time, six players are featuring in the men's draw.
Rafael Nadal was kept on Centre Court longer than he would have liked but that did not stop him from putting baby-faced Alex de Minaur firmly in his place with a 6-1, 6-2, 6-4 win in the third round of Wimbledon on Saturday.
Images from Day 9 of the 2023 French Open at Roland Garros in Paris on Monday.
Organisers played a wrong national anthem for Moldova ahead of their tie against Belgium in Sydney. Denis Shapovalov won the battle of the next generation against Greek Stefanos Tsitsipas to help Canada to an emphatic 3-0 victory in the inaugural ATP Cup men's team event in Brisbane on Friday.
In the women's draw, Angelique Kerber was knocked out in a 6-3, 6-1 defeat to Czech Katerina Siniakova while Coco Gauf won her first ever match on clay.
Simona Halep ended Beatriz Haddad Maia's dream run in Toronto
Serena Williams moved another step closer to a record-tying 24th career Grand Slam title with a comfortable 6-3, 6-2 victory over Czech Karolina Muchova on Friday to reach the last 16 at the US Open.
Greek third seed Stefanos Tsitsipas battled back from a set down to beat Serbia's Filip Krajinovic 3-6, 6-4, 6-4 in the quarter-finals of the Swiss Indoor championship on Friday. The win took Tsitsipas into his 10th semi-final of the season where he will face top seed Roger Federer, who was handed a walkover after Swiss compatriot Stan Wawrinka withdrew before their quarter-final with a back issue.
Since 2003, one of Roger Federer, Novak Djokovic, Rafael Nadal or Andy Murray have won the title at Wimbledon, with the Swiss leading the way with eight titles.
Australia's Alexei Popyrin was the last man standing, losing 7-6 (3), 6-3, 6-7 (10), 4-6, 6-3 to France's Lucas Pouille in their third round match.
Holder Stefanos Tsitsipas moved into the Monte Carlo Masters quarter-finals with a 7-5 7-6(1) victory over Laslo Djere
Badosa beats Fernandez; Swiatek, Halep storm into quarter-finals
Raducanu stormed into the third round of the Cincinnati Open
Not since Stan Wawrinka's 2016 US Open triumph has a Grand Slam been won by someone other than the 'Big Three', winners of the last 13 major titles.
