No. 2-ranked Iga Swiatek lost to a player younger than 18 for the first time on tour when she was stunned by Mirra Andreeva in the Dubai Championships quarterfinals on Thursday.

Jannik Sinner has been dropped from an exhibition event in Las Vegas next month while the No. 1-ranked men's tennis player is serving a three-month ban connected to a pair of failed doping tests.

Subscribe to Sky Sports to watch live, or stream on NOW. You'll need a subscription that includes Sky Sports Tennis.