"roger-federer"

Federer, who has had two operations on his right knee since playing at the Australian Open last year, is a three-time champion at the Doha tournament.

The 20-time Grand Slam winner has not played in any tournament since Australian Open 2020. Since then, Federer has undergone two knee surgeries.

While Nadal and Federer holds the record for most Grand Slam titles in men's singles, Margaret holds the record for most titles in women's singles with 24

This is Nadal's first chance to grab sole possession of the men's mark for most Grand Slam singles titles.

Federer last featured in January 2020 in the Australian Open before undergoing knee surgery. Last month, he withdrew from the Australian Open 2021.

Federer, a huge favourite with the Melbourne crowds, hasn't missed the Australian Open since his debut in 2000, winning the trophy six times

All the world's top players have signed on, led by world number ones Novak Djokovic and Ashleigh Barty

Setting aside Kylie's history with Forbes, the financial experts there calculated her earning this year to be at USD 590 million after she sold a majority of her beauty brand's stake to Coty Inc.

The top-ranked Djokovic has won the tournament five times — one short of Roger Federer's record