Kenin advances at Abu Dhabi

Belgian tennis player Kirsten Flipkens injured her ankle when she landed on an advertising board during a match against Australian Open champion Sofia Kenin in the second round of the Abu Dhabi Open and had to retire.

In other news:

• Qualifier Roberto Quiroz overcame a shaky stretch in the first set to beat American Noah Rubin 7-6 (1), 6-3 in the opening round of the Delray Beach Open at Miami.