Ilya Ivashka defeated Alexander Zverev 6-7 7-5 6-3 in the Munich quarter-final on clay. The upset overturned the form book — Alexander Zverev came in ranked #2.
Ivashka I. came through in three sets.
Ivashka I. and Zverev A. faced 1 of the same opponent in the last 12 months. Ivashka I. went 0–1 (0%) against them, Zverev A. 1–0 (100%).
Only 1 common opponent — too few for any conclusion. Shown without assessment.
Ilya Ivashka beat Alexander Zverev 6-7 7-5 6-3. Umpiry, "Ilya Ivashka vs Alexander Zverev — Munich Quarter-final", https://umpiry.com/match/2021-04-26/ivashka-vs-zverev-munich-qf?utm_source=cite (as of 26 April 2021).