The kind of grass courts used at Wimbledon are unfamiliar to most professional tennis players until they are in their late teens.

Wimbledon players and spectators have been hit by record-breaking Day 1 heat as the temperature rose to 91 degrees Fahrenheit — 33 Celsius — at the oldest Grand Slam tournament.

Emma Raducanu lost to Karolina Muchova after an emotional first set in which a spectator was ejected at the Dubai Championships.

Iga Swiatek’s one-month suspension for failing a drug test will not be appealed by the World Anti-Doping Agency.

Elina Svitolina has rallied from two breaks down in the first set and taken 11 of the next 12 games in a 6-4, 6-1 victory over Veronika Kudermetova to reach the Australian Open quarterfinals for the third time.

Defending champion Jannik Sinner has moved into the quarterfinals at the Australian Open after beating Holger Rune in a match slowed down by medical timeouts for each player and a delay because the net got knocked loose.