Topic: Petra Kvitova

Novak Djokovic overtook Carlos Alcaraz as the world's No. 1 tennis player, the ATP announced Monday. Miami Open champion Daniil Medvedev moved to No. 4. Women's champion Petra Kvitova moved inside the WTA's Top 10.

Petra Kvitova rallied from an early deficit, converted a trio of break points and used a run of seven consecutive game victories to beat Sorana Cirstea in a Miami Open semifinal Friday in Miami Gardens, Fla.

On Jan. 26, 2020, Los Angeles Lakers icon Kobe Bryant and his 13-year-old daughter, Gianna Bryant, were among nine killed in a helicopter crash.

Serena Williams will take the court again for what could be the final major match of her career, unless she can beat Ajla Tomljanovic, in the third round of the U.S. Open on Friday in Flushing, N.Y.

Top-seeded Novak Djokovic began his historic bid for the first calendar-year Grand Slam in men's tennis since 1969 with a first-round victory over Danish qualifier Holger Rune at the U.S. Open.

No. 1 Novak Djokovic is a heavy favorite to win the 2021 U.S. Open men's tennis tournament, which starts Monday in Flushing, N.Y. Ash Barty and Naomi Osaka, the 2020 champion, are favorites for the women's title

Men's No. 1 Novak Djokovic and women's No. 2 Naomi Osaka breezed into the third round, while Aryna Sabalenka and Iga Swiatek suffered shock upsets in the 2020 Summer Games singles tennis tournaments Monday in Tokyo.

Spain's Sara Sorribes Tormo upset No. 1 Ash Barty in the first round of the 2020 Summer Games tennis tournament Sunday in Tokyo. Team USA's Frances Tiafoe and Marcos Giron each avanced with wins on the men's circuit.

Americans Frances Tiafoe and Sloane Stephens started their Wimbledon campaigns with significant upsets Monday in London. Tiafoe upstaged men's No. 4 Stefanos Tsitsipas. Stephens ousted women's No. 10 Petra Kvitova.

Americans Serena Williams and Cori "Coco" Gauff could meet early on at Wimbledon 2021, but Roger Federer can't face world No. 1 Novak Djokovic unless they both reach the final, according to Friday's draw.