Next for Gauff could be a rematch against No. 1 Iga Swiatek, who beat the 19-year-old American in last year's final at Roland Garros. Swiatek was scheduled to face Lesia Tsurenko in the fourth round later Monday.
Jodie Burrage gave the ball boy a sports drink, then some nutritional gel before a spectator handed over a bag of candy.
Facing seventh-seeded Ons Jabeur of Tunisia, the unseeded American was broken eight times on Court Philippe Chatrier and lost 6-3, 6-1.
Struggling with his footwork, complaining about the conditions of the clay on Campo Centrale and protesting line calls, Djokovic lost four consecutive games to hand the second set to Dimitrov, who won 12 straight points at...