Andy Murray eased into his 29th grand slam quarter-final with a straight-sets win over Karen Khachanov in Paris.
Kristina Mladenovic overcame 16 double faults to stun defending champion Garbine Muguruza in the fourth round of the French Open.
Rafael Nadal produced another dominant display to race into his 11th French Open quarter-final.
We spoke to Andre Agassi about how he is helping Novak Djokovic at the French Open.
The American says he is open to helping out in the longer term but is fully aware of his own commitments away from tennis.
Andy Murray says Juan Martin Del Potro probably 'deserved to win the first set' but the second and third were the best he's played in a while:
Andy Murray produced arguably his best performance of the year to defeat Juan Martin del Potro and reach the fourth round of the French Open.
Kyle Edmund was edged out in a five-set battle against Kevin Anderson in the third round of the French Open.
Kristina Mladenovic used another life at the French Open to set up an enticing fourth-round clash with defending champion Garbine Muguruza.
Having defied a bad back to beat Jennifer Brady 9-7 in the third set in the first round, Mladenovic trailed Shelby Rogers 5-2 in the decider on Friday but recovered to win 7-5 4-6 8-6.
The 13th seed is carrying the hopes of the home nation, who have waited 17 years to celebrate a French singles champion.
Mladenovic said: "That was epic. I think that's the word I'm going to use, because I still don't know how I won that match.
"Shelby was playing great tennis, but I had no doubt about it, because she played quarter-finals here last year and she has a great game for clay.
"She really pushed me through the last breath I had. I always believe until the last point. That's kind of my motto every single match."