Paris, May 27 -- World number one Jannik Sinner defied a late wobble to begin his French Open campaign with a straight-set victory over Arthur Rinderknech.

Playing his first Grand Slam match since serving a three-month doping ban, Italian Sinner beat his French opponent 6-4 6-3 7-5 on Court Philippe Chatrier on Monday.

It was not as comfortable as the scoreline suggests, however, with the 23-year-old forced to fight back from a double break down in the third set against a resurgent Rinderknech.

It marked a return to winning ways for Sinner after Carlos Alcaraz ended his run of 26 successive match victories in the Italian Open final earlier this month, the BBC reported.

"First-round matches are never easy," he said. "I'm very happy with ...