ATP roundup: World No. 1 Jannik Sinner rallies in Halle

FILE PHOTO: Jun 7, 2024; Paris, France; Jannik Sinner of Italy returns a shot during his match against Carlos Alcaraz of Spain on day 13 of Roland Garros at Stade Roland Garros. Mandatory Credit: Susan Mullane-USA TODAY Sports

World No. 1 Jannik Sinner of Italy needed three sets to overcome Tallon Griekspoor of the Netherlands 6-7 (8), 6-3, 6-2 in the first round of the Terra Wortmann Open on Tuesday in Halle, Germany.

Sinner hit 15 aces to Griekspoor's 11 and saved all four break points he faced while going 3-for-4 on opportunities to break his opponent's serve.