ATP roundup: Ugo Humbert wins battle of ex-Dubai champs
(Photo credit: Aaron Doster-Imagn Images)
Greece's Stefanos Tsitsipas didn't win a single match as the defending champion of the Dubai Duty Free Tennis Championships, falling to the man who preceded him as the champion in the United Arab Emirates.
France's Ugo Humbert beat Tsitsipas 6-4, 7-5 on Tuesday in first-round action.
Humbert saved all three break points he faced in a match that saw the players