Simona Halep saved a match point before defeating Canadian teen Bianca Andreescu 3-6, 7-6, 6-3 at the WTA Finals in Shenzhen.
Both players sought medical treatment during the match, with Halep getting her foot treated while Andreescu had a lower back problem.
Elsewhere, defending champion Elina Svitolina stretched her unbeaten run at the season-ending tournament with a 7-6, 6-4 win over Karolina Pliskova.
Halep and Svitolina are now 1-0 in the Purple Group, while Andreescu and Pliskova are 0-1.
David Beckham knighted for services to sport and charity
David Beckham, one of Britain's most celebrated football players, was knighted by King Charles at Windsor Castle on Tuesday, recognising his decades-long contribution to sport and charitable causes.
Dubai Basketball continues unbeaten home run with win over Partizan
Dubai Basketball continued its perfect start in the ABA League with an 82:70 victory over Partizan in Round 5.
Sunderland's Xhaka earns draw after Ndiaye's stunner for Everton
Iliman Ndiaye scored a superb solo goal for Everton but Granit Xhaka's deflected equaliser secured a deserved point for Sunderland in their entertaining 1-1 Premier League draw at the Stadium of Light on Monday.
Rybakina enters semis, Anisimova beats Keys in WTA Finals
Elena Rybakina qualified for the WTA Finals' last four, beating an error-prone Iga Swiatek 3-6 6-1 6-0 on Monday, while Amanda Anisimova beat fellow American Madison Keys 4-6 6-3 6-2 in Riyadh.
DP World Tour Championship gears up for action-packed week
With just 10 days until the season-ending showdown at Jumeirah Golf Estates, the DP World Tour Championship, Dubai is set to deliver an unforgettable experience both on and off the course as the world's best golfers battle for glory from November 13-16.
