Jannik Sinner, back on court nearly a month after his Wimbledon triumph, crushed Colombian Daniel Elahi Galan in his opening match at the ATP-WTA Cincinnati Open on Saturday.
The world number one got immediately back in the swing with a 6-1, 6-1 victory over the out-classed Colombian.
Sinner won the opening five games in 15 minutes as he allowed his 144th-ranked opponent, who came through qualifying, little breathing rom.
The victory in 59 minutes was the fastest of Sinner's ATP career, beating his previous quickest by one minute.
The defending champion claimed his 22nd consecutive win on hardcourt, last losing the Beijing final in September to rival Carlos Alcaraz.
"I didn't know what to expect," Sinner said of his return to tournament action. "I'm happy because it's not easy to pla