Defending Wimbledon champion Marketa Vondrousova wrote her name into the history books for the wrong reason as she lost in straights to Jessica Bouzas Maneiro in the first round.
Marketa Vondrousova was forced to retire from a WTA Tour event in Berlin, causing doubt over her Wimbledon title defence.
Defending champion Iga Swiatek stayed on easy street as she sailed into the semi-finals of the French Open with a straight sets win over Marketa Vondrousova.
The 2024 Australian Open claimed its first major victim on Sunday when Wimbledon champion Marketa Vondrousova was knocked out, while Coco Gauff impressed.
World number two Iga Swiatek beat Wimbledon champion Marketa Vondrousova 7-6 6-0 in her opening match at the WTA Finals in Cancun, before joining the chorus of criticism of the court.
Marketa Vondrousova's impressive Grand Slam form continued as she marched into the US Open quarter-finals with a hard-fought victory over Peyton Stearns.