Zverev overcame the former World No. 3 with 6-7(2), 7-6(8), 6-1, and 6-1. The German, who has advanced to the Round of 16 in each of his last four tournament appearances, will face sixth-seeded Jannik Sinner, who earlier in the day defeated 2016 US Open winner Stan Wawrinka in four sets.
In Winston-Salem last week, the Draper withdrew in the second round of his first tournament back on the Tour after missing three months due to a shoulder injury.
The 20-year-old had a 4-2 tour-level record on grass at the beginning of the week, but he is quickly gaining confidence on the surface. Alcaraz prevailed in one hour and 25 minutes to set up a matchup in the round of eight against either Francisco Cerundolo, the eighth seed, or former World
German tennis player Alexander Zverev defeated Bulgarian tennis player Grigor Dimitrov on Tuesday in the fourth round of the French Open. Alexander Zverev will play in the quarter-finals against Tomas Martin Etcheverry.