Australian Open 2021: Novak Djokovic beats Alexander Zverev, into ninth semi-final; Serena Williams sets up Naomi Osaka last-four clash
Djokovic pulled himself together and pulled out the victory, reaching his ninth semi-final at Melbourne Park by eliminating No 6 seed Zverev 6-7 (6), 6-2, 6-4, 7-6 (6)
Australian Open 2021: Serena Williams against Simona Halep, Naomi Osaka versus Hsieh Su-wei in quarter-finals
Williams leads the series 9-2, but Halep won their most recent showdown, 6-2, 6-2 in the 2019 Wimbledon final.
Australian Open wins over Tsvetana Pironkova, eighth seed Bianca Andreescu, Sara Errani and Marketa Vondrousova mean that Hsieh Su-wei will face Naomi Osaka, 12 years her junior, on Rod Laver Arena on Tuesday for a place in the semi-finals.
Australian Open 2021: 'Very stressed' Naomi Osaka saves match points to set up all-Asian quarterfinal
Naomi Osaka, the third seed, was on the verge of elimination at 3-5, 15-40 on her serve in the third set before rattling off four points in a row.
Australian Open 2021: Dominic Thiem stunned by Grigor Dimitrov; Serena Williams, Naomi Osaka survive
A fatigued-looking Thiem, coming off a five-set win over Australia's Nick Kyrgios, slumped in straight sets to Bulgaria's Grigor Dimitrov who took it 6-4, 6-4, 6-0 in just over two hours.
One of the most unorthodox players in the women's game, she won 80 percent of her first-service points against Vondrousova, who was hampered by 31 unforced errors.
Andreescu was set to make her comeback as top seed in the warm-up Grampians Trophy, but pulled out as a precautionary measure after spending 14 days in hard lockdown after arriving in Australia.
Australian Open 2021: Djokovic, Serena win; Wawrinka squanders three match points, Andreescu's comeback stalled
Though Tiafoe played an aggressive match, Djokovic was better when it mattered. He had the edge in terms of winners (56-49) and converted five break points to just two for Tiafoe.
Australian Open 2021: Tearful Bianca Andreescu wins on return to action after year-long injury hiatus
The eighth seed was forced to save three break points in the seventh game of the deciding set before prevailing 6-2, 4-6, 6-3 against the Romanian in two hours and two minutes.
Australian Open 2020: Timea Babos-Kristina Mladenovic beat Barbora Strycova and Hsieh Su-wei to clinch second doubles title
Timea Babos and Kristina Mladenovic have combined to win their second Australian Open women's doubles title in three years.
WTA Finals 2019: Timea Babos, Kristina Mladenovic defend doubles title with straight sets win over Barbora Strycova, Hsieh Su-Wei
French Open champions Timea Babos and Kristina Mladenovic were the first team since 2008 to defend their crown
US Open 2019: Serena Williams survives scare against American wildcard Catherine McNally to reach third round
Serena Williams survived a second-round scare at the US Open on Wednesday with a 5-7, 6-3, 6-1 win over American wildcard Catherine McNally to keep alive her hopes of securing a record-tying 24th Grand Slam title.
Cincinnati Masters: Novak Djokovic cruises into quarters but Roger Federer crashes out; Ash Barty, Naomi Osaka win
Novak Djokovic has a clear road to the Cincinnati Masters final after producing an efficient victory while Roger Federer crashed out of the US Open tune-up event.
Wimbledon 2019: Barbara Strycova caps off great tournament with women's doubles title partnering Tiawan's Hsieh Su-wei
Barbara Strycova won her maiden Grand Slam title and also became the World No 1 in doubles rankings when she won the women's doubles with Hsieh Su-wei
Wimbledon 2019: Barbora Strycova bounces back from singles defeat to enter women's doubles final with partner Hsieh Su-Wei
It will be 33-year-old Strycova's first appearance in a Grand Slam final whilst Hsieh has won two doubles titles, the 2013 Wimbledon crown and the French Open a year later
Wimbledon 2019: Stan Wawrinka falls to unseeded American Reilly Opelka in five sets; Margarita Gasparyan retires against Elina Svitolina
Swiss Stan Wawrinka was knocked out in the second round at Wimbledon after being beaten in five sets by American Reilly Opelka
Stuttgart Open: Naomi Osaka brushes aside 'rough few months' to beat Hsieh Su-wei; Angelique Kerber enters quarter-finals
World No 1 Naomi Osaka defeated Hsieh Su-wei 6-4, 6-3 in Stuttgart on Thursday to reach her first career clay court quarter-final but admitted she had been left "depressed" after a "rough few months
Stuttgart Open: Hsieh Su-Wei fights back against China's Wang Qiang to set up second-round clash with Naomi Osaka
World No 1 Naomi Osaka will have a chance for revenge on Taiwan's Hsieh Su-wei when the two meet in the second round of the WTA tournament in Stuttgart on Thursday
Miami Open: Hsieh Su-Wei shows Naomi Osaka the door while injured Serena Williams withdraws; Alexander Zverev stunned
"I was kind of immature because I was thinking too much, like everything was on my racquet. I got ahead of myself," admitted Naomi Osaka after her Miami Open exit.
Australian Open 2019: Naomi Osaka edges past Anastasija Sevastova in three sets to set up Elina Svitolina clash
Japanese fourth seed Naomi Osaka edged past 13th seed Anastasija Sevastova of Latvia in three sets Monday to reach the Australian Open quarter-finals