Wimbledon champion Simona Halep has retired from the Wuhan Open after suffering a lower back injury.
Despite the intervention of a physiotherapist, she was forced to withdraw when trailing 5-4 in the first set against the Kazakh wildcard.
Meanwhile, Ashleigh Barty defeated Sofia Kenin 6-3, 7-5 to secure a place in the quarterfinals.
Third seed Elina Svitolina also progressed against Svetlana Kuznetsova.
Samson rediscovers form with match-winning century for Chennai in IPL
Sanju Samson has struggled for form since being named Player of the Tournament at the T20 World Cup but the wicketkeeper-batter looked more like his old self on Saturday with an unbeaten 115 off 56 balls in Chennai's 23-run win over Delhi Capitals.
McIlroy's six-shot lead evaporates as Young surges at Masters
Rory McIlroy discovered again on Saturday that nothing at the Masters is secure as the defending champion's overnight six-shot advantage vanished in the Georgia heat and Cameron Young charged into a share of the lead at 11-under after the third round.
Belgium shock United States to reach Billie Jean King Cup Finals
Belgium knocked out 18-times champions the US to qualify for the Billie Jean King Cup Finals on Saturday, as Britain, Italy, Kazakhstan, Spain, Ukraine and Czech Republic also secured places in the season-ending team event alongside hosts China.
Ngumoha makes Anfield history, Salah seals Liverpool win
Liverpool's teenage winger Rio Ngumoha has become the club's youngest player to score a Premier League goal at Anfield on Saturday before Mohamed Salah struck four minutes later in a 2-0 win over Fulham that boosted their quest for a top-five finish.
Fury cruises to decision win over Makhmudov
Britain's former heavyweight world champion, Tyson Fury, has outclassed Russia's Arslanbek Makhmudov en route to a comprehensive points win on Saturday and then called for a showdown with compatriot Anthony Joshua.
