Jannik Sinner is still regaining his focus on the tennis court after his three-month doping ban. The top-ranked player overcame a brief lapse during the first set of a 6-4, 6-2 victory over Dutch qualifier Jesper De Jong in his second match back on tour at the Italian Open on Monday.

Jannik Sinner backed up his straight sets win over Mariano Navone, in his first match in three months, with another solid display against Dutch lucky loser Jesper de Jong, advancing 6-4, 6-2.

World number one Jannik Sinner continues his return from a doping ban with a comfortable 6-4 6-2 victory over Jesper de Jong to reach the last 16 of the Italian Open.