Five-time Grand Slam winner Maria Sharapova, one of the world's most recognisable and highest-paid sportswomen, on Wednesday announced her retirement at the age of 32.

Serena is the third oldest female Grand Slam finalist in the Open era at 36 years and 291 days.

Rafael Nadal beat Austrian seventh seed Dominic Thiem 6-4 6-3 6-2 to claim a record-extending 11th French Open title on Sunday.

The Swiss defending champion dropped his only sets of the tournament before completing a 6-2, 6-7 (5/7), 6-3, 3-6, 6-1 win over the sixth seeded Croatian in 3hr 3min.

Caroline Wozniacki finally lifted her first Grand Slam title at the 43rd attempt as she beat Simona Halep 7-6 (7/2), 3-6, 6-4 to win the Australian Open on Saturday.

Defending champion Roger Federer argued with an umpire but mostly let his racket do the talking as he beat Tomas Berdych for the ninth time running to reach the Australian Open semi-finals on Wednesday.

Cilic, the world No. 6 and former US Open champion, won 3-6, 6-3, 6-7 (5/7), 6-2, 2-0 in 3hr 47min on Rod Laver Arena when Nadal retired in pain early in the fifth set.

Roselyne Bachelot was handed a €500 ($600) fine by a court in Paris and ordered to pay €12,000 in damages and legal fees to the serial Grand Slam winner over the allegation.

The Dane had won just one set from seven harrowing defeats to Williams but she turned the tables with a 6-4, 6-4 victory in 89 minutes at the Singapore Indoor Stadium.

Roger Federer got one over his old rival Rafael Nadal to win the Shanghai Masters 6-4, 6-3 on Sunday in a showdown between the two best players on the planet.

Five-time Grand Slam winner Maria Sharapova was made to fight by 102nd-ranked teenager Aryna Sabalenka at the Tianjin Open on Sunday before winning her first title since her 15-month doping ban.

Twelve-time Grand Slam champion Novak Djokovic and his wife Jelena have become parents of a baby girl, local media reported on Sunday.