Jannik Sinner eased to a 6-4, 6-1 victory over Hugo Gaston at the Open 13 in Marseille, France on Wednesday and booked his place in the quarter-finals. The first set finished with three successive breaks of serve - Sinner claiming two to Gaston's one. The Italian broke again in Gaston's first service game of the second set and went on to tame the Frenchman's serve for a 5-1 lead before serving out the win. Fifth seed Sinner will face either top seed Daniil Medvedev or Egor Gerasimov in the next round