World number 19 Ekaterina Alexandrova collapsed on court during her first-round match at the Memphis Classic and was forced to retire, as temperatures on court reached 34C. The incident highlights growing concerns about player safety in extreme heat during outdoor tennis events, with the top seed needing a wheelchair to leave the court after being unable to continue.

Alexandrova, 31, was trailing 7-6 (7-2) 4-6 5-4 against 16-year-old Russian compatriot Kristina Liutova when the match, which had already lasted more than three hours, was halted. She had received a time violation for taking too long to serve before collapsing mid-point, handing Liutova victory in her WTA tour debut, though the teenager was left in tears amid the chaos. Separately, Venus Williams, 46, was beaten 6-3 6-3 by Austria's Anastasia Potapova in the first round of the Mubadala DC Open in Washington.