No. 19 seed American Madison Keys moved into the Australian Open quarterfinals for the fourth time in her career by ousting No. 6 seed Elena Rybakina of Kazakhstan on Monday.
Elena Rybakina beat Ukraine's Dayana Yastremska 6-3, 6-4 in the third round, but suffered a flare up of her back spasm.
Coco Gauff and Iga Swiatek will battle for United Cup glory after the USA and Poland won their respective semi-finals on Saturday in Sydney amid bizarre circumstances.
Kazakhstan shocked Germany and advanced to the semi-finals of the United Cup.
Elena Rybakina led Kazakhstan to a 2-1 defeat of Spain on Friday, as the former Wimbledon champion made a winning start to the season at the United Cup mixed-team event.
Barbora Krejcikova defeats fourth seed Elena Rybakina to reach Wimbledon 2024 women's singles final.
Novak Djokovic progressed to a record-equalling 13th Wimbledon semi-final without hitting a ball on Wednesday after Alex de Minaur pulled out injured as former champion Elena Rybakina eased through.
2022 Wimbledon champion Rybakina pulled out of the event after a change in her schedule.
Mirra Andreeva became the youngest Grand Slam semi-finalist for 27 years with a shock win over Aryna Sabalenka on Wednesday at the French Open
Jasmine Paolini, seeded 12th, knocked out fourth seed Rybakina 6-2, 4-6, 6-4.