Caroline Wozniacki's match was suspended as the likes of Madison Keys and Sloane Stephens progressed into the last eight.
Here are all the updates of another productive day at Roland Garros.
Stephens, Keys dominate women's singles headlines
2017 US Open winner Sloane Stephens swept aside Anett Kontaveit 6-2, 6-0 and could set up a potential semis date with Madison Keys.
She had beaten Keys in the US Open final at the Flushing Meadows.
Keys progressed after a convincing 6-1, 6-4 win against Romania's Mihaela Buzarnescu.
Stephens will face Daria Kasatkina or Caroline Wozniacki next.
Keys will be up against Yulia Putintseva.
Wozniacki trails in Round of 16 tie
2018 Australian Open winner Caroline Wozniacki saw a crunch encounter against Russia's Daria Kasatkin getting suspended on Sunday after a stunning display of tennis. The Dane lost the first set 6-7, and the 2nd set is tied at 3-3. Another epic encounter on the cards?
Djoker back in form as he books last eight spot
Djokovic has put himself into contention to win the clay court major after a straight sets win over Fernando Verdasco.
The 20th seed won his duel 6-3, 6-4, 6-2.
The 12-time Grand Slam champion reached the quarters at Roland Garros for the 12th time.
Zverev had to clinch a 5-set thriller against Karen Khachanov, which took three hours and 29 minutes.
Big win for world number 72
World number 72 in men's singles Marco Cecchinato stunned David Goffin 7-5, 4-6, 6-0, 6-3 to set up a quarters battle with Djokovic. He claimed that the chance to play against Djoker is the best moment of his life.