Jannik Sinner passed a big test in his return from a three-month doping ban, beating accomplished clay-court player Francisco Cerundolo on Tuesday to reach the Italian Open quarterfinals.

This was Jannik Sinner's 50th victory as the ATP's top-ranked player, in just his 53rd outing as the world number one. Since the ATP rankings were first published in 1973, that is the joint-fewest matches required to reach 50 wins as the world number one,

Jannik Sinner is still perfect in 2025! The Italian will compete in his second Rome Masters quarter-final following a hard-fought 7-6, 6-3 triumph over Francisco Cerundolo in the fourth round. Jannik asked for a medical timeout after the third game of the second set.