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.
Andrey Rublev and Alexander Zverev clinched the Laver Cup for Team Europe with a 6-2, 6-7(4), 10-3 win over Team World's Reilly Opelka and Denis Shapovalov on Sunday in Boston.
Indian Aces continued their dominance in IPTL 2 with a 25-18 win over Japan Warriors on the opening day of tournament's Dubai leg on Monday.
Newspaper allegations surfaced on Sunday saying that some players had thrown matches for financial gain.
Crowd favourites Goran Ivanisevic and Gustavo Kuerten also lost in the first round of the Monte Carlo Masters.
Joachim Johansson and Thomas Enqvist both won second-round matches in the Australian men's hardcourt championship.
The world No. 2 overcame shaky serving to beat Thomas Enqvist in the Davis Cup World Group quarer-final.\n\n
Sweden won both the concluding reverse singles to emerge 4-1 winners in the first round of the Davis Cup.
Agassi clattered former Melbourne Park runner-up Thomas Enqvist 6-0 6-3 6-3 in a breathtaking display at the Australian Open.
Sweden's Thomas Enqvist showed the American ace the door in the Scottsdale Classic.
The 2000 champion was beaten by Sweden's Thomas Enqvist in the first round at the US Open.
Federer welcomed the emergence of new challengers
Kirsten Flipkens led India Aces to a tight one-point win over defending champions Singapore Slammers with her decisive victory over Kiki Bertens in the do-or-die women's singles clash in IPTL, in Tokyo on Saturday.
Hyderabad Aces dealt a big blow to Bangalore Raptors' chances of advancing to the final of the Champions Tennis League after the visitors registered a 25-22 win in a thrilling group match in Bengaluru.
Riding on spirited wins from former women's world number one Martina Hingis and veteran Australian player Mark Philippoussis, Hyderabad Aces defeated Bangalore Raptors by 27-25 margin to start their Champions Tennis League (CTL) campaign on a winning note in Hyderabad late on Monday.
Indian veteran Leander Paes and his doubles partner Hugues Herbert turned it around remarkably for the Japan Warriors, who beat UAE Royals 24-21 to record their first win of the tournament in the opening match of the International Premier Tennis League's India leg in New Delhi.
Alexander Zverev snatched the Laver Cup for Team Europe as he beat Canada's Milos Raonic in the final rubber of a thrilling three days of action in Geneva's Palexpo Arena on Sunday.
Top seed Simona Halep came back from a set down for the third time in the tournament to beat Kazakhstan's rising star Elena Rybakina 3-6, 6-3, 7-6(5) to win the Dubai Duty Free Tennis Championships for the second time on Saturday. In a battle that lasted nearly two-and-a-half hours, the match came down to a tiebreak where two shots that went agonisingly wide for Rybakina eventually decided the title in front of a noisy crowd that constantly chanted Halep's name.
Indian Acres' Rafael Nadal beat UAE Royals' Roger Federer to win the last set 6-5 through a shoot-out to help the Indian team win the Delhi leg of the Indian Premier Tennis League in New Delhi on Saturday.
Pune Marathas made a remarkable recovery from 0-2 down to win their next three matches in a row as their contest against Bangalore Raptors ended in a thrilling tie to run away with a bonus point in the Champions Tennis League on Thursday.
List of Australian Open men's singles champions since the event began in 1905 (Australian unless stated):
List of Australian Open men's singles champions since the event began in 1905 (Australian unless stated):
Sania Mirza recently added a mixed doubles gold from the Asian Games to her three Grand Slam titles in the same category, and is ranked world No. 7 in doubles. However, Indian tennis legend Vijay Amritraj says he would have loved to see her do well in singles and fulfil her true potential.