Aryna Sabalenka targets a place in a seventh consecutive Grand Slam semi-final when she takes on Russian teenager Mirra Andreeva at the French Open on Wednesday, after fourth seed Elena Rybakina was knocked out by Italy's Jasmine Paolini.German fourth seed Zverev will be targeting a fourth straight Roland Garros semi-final after making the last eight for the sixth time in seven years.
Djokovic may focus his attention on the Olympics and skip Wimbledon this year.
Three-time French Open winner Alfie Hewett moves into the semi-finals of the men's wheelchair singles with a 6-0 6-4 victory over fellow Briton Gordon Reid.
Coco Gauff reached the French Open semifinals in doubles on Wednesday, a day after getting that far in singles. Gauff, the reigning U.S. Open champion in singles, and Katerina Siniakova won their doubles quarterfinal 6-0, 6-2 against Miyu Kato and Nadiia Kichenok. Gauff and Siniakova have yet to drop a set in the tournament and will face Americans Caroline Dolehide and Desirae Krawczyk on Friday.