Stefanos Tsitsipas wins opener in Dubai

Fourth-seeded Stefanos Tsitsipas won points on 81 percent of his first serves in his 7-6 (4), 6-3 defeat of Italian Lorenzo Sonego in the opening round of the Dubai Duty Free Tennis Championships on Monday.

Spain's Roberto Bautista Agut came from behind to defeat Hungary's Fabian Marozsan 3-6, 6-3, 7-6 (4), in the only three-set match of the day.

Winning in straight sets were Alexei Popyrin of Australia, Russia's Karen Khachanov, Zizou Bergs of Belgium and Giovanni Mpetshi Perricard of France.