Gael Monfils defeated Taro Daniel 6–0, 6–4, 6–1 in the first round of Roland Garros on clay on 28 May 2019, a result that followed pre-match expectations with Monfils heavily favoured at 1.12 odds. The Frenchman's dominance was evident from the opening set, which he claimed without loss, before Daniel offered modest resistance in the second and third sets. The clinical performance underlined Monfils' comfort on the Paris clay surface early in the fortnight. The convincing victory maintained his momentum heading into the second round.