The 35-year-old Djokovic cruised through the opening two sets, breaking Molcan's serve three times without giving the Slovakian a single opportunity on his own delivery.
World number one Novak Djokovic has completed a solid 6-2 6-3 7-6(4) victory over Slovakia's Alex Molcan in the second round of the French Open to keep his title defence and quest for a record-equalling 21st Grand Slam on track.
With Djokovic unable to defend his Australian Open title due to his refusal to be vaccinated against Covid-19, Spaniard Rafa Nadal broke a three-way tie for the most Grand Slam titles with the Serb and Roger Federer by winning the Melbourne Park major at the start of the year.
Yet a successful rerun of his 2021 Roland Garros campaign, when he beat 13-time French Open winner Nadal in the semi-finals, will lift Djokovic alongside his great rival.
On a blustery day on Court Suzanne Lenglen, the 35-year-old Djokovic cruised through the opening two sets, breaking Molcan's serve three times without giving the Slovakian a single opportunity on his own delivery.
The 24-year-old Molcan, trained by Djokovic's former long-time coach Marian Vajda, was ranked 255th when he went down in straight sets to Djokovic in their only previous meeting in Belgrade last May but since then the left-hander has climbed to a career-high ranking of 38th.
"Difficult match with a lot of winds"
With nothing to lose, Molcan opened up his shoulders in the third set and with some aggressive all-court hitting managed to cancel out Djokovic's early advantage to force a tiebreak.
But Djokovic then managed to go up a gear and converted his second matchpoint when the left-hander found the net with a return.
"It was a difficult match with a lot of winds, changing direction," he said on court. "You have to be fully focused.
"I have a lot of respect for Alex. He's got a game that's made for this surface. I hope it's the last time I play against Marian Vajda as coach of my opponent."
The top seed will next meet Slovenia's former world number 43 Aljaz Bedene for a place in the fourth round.