Djokovic reaches second round

Novak Djokovic survived a second-set wobble to book his place in the French Open second round with a four-set opening victory over Evgeny Korolev.

The third seed and former Australian Open champion won 6-1 3-6 6-1 6-4 on Suzanne Lenglen Court to set up a meeting with either Kei Nishikori or Santiago Giraldo.