Three-time champion Novak Djokovic kept up his quest for a record-breaking 25th Grand Slam title, battling past third seed Alexander Zverev 4-6 6-3 6-2 6-4 on Wednesday, to set up a French Open semi-final against top seed Jannik Sinner.

A crucial moment arrived more than 2 1/2 hours into Novak Djokovic's 4-6, 6-3, 6-2, 6-4 French Open quarterfinal victory over Alexander Zverev. It was the fourth set, and Djokovic led, but Zverev was in possession of a break point and a chance to get back into Wednesday's match.

Novak Djokovic cleared a major hurdle in pursuit of a fourth Roland-Garros title, defeating No. 3 Alexander Zverev 4-6, 6-3, 6-2, 6-4 in the quarterfinals on Wednesday in Paris.