

Zdenek Kolar defeated Benjamin Bonzi 4-6 6-4 6-4 in the Ostrava CH round of 32 on clay. The upset overturned the form book — Benjamin Bonzi came in ranked #100, leading the head-to-head 3–0. Zdenek Kolar claimed a first win over Benjamin Bonzi in four meetings, narrowing the head-to-head to 3–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-06-27 | Wimbledon | R128 | grass | Benjamin Bonzi | 6-3 6-3 6-1 |
| 2020-09-28 | Roland Garros | Q1 | clay | Benjamin Bonzi | 3-6 6-4 7-5 |
| 2020-09-21 | Roland Garros | Q128 | clay | Benjamin Bonzi | 3-6 6-4 7-5 |
Averages over each player's completed matches in the selected window (178 vs 156). ATP, WTA & Challenger.
Each player's serve crossed against the other's return, converted to expected hold of serve. Recent completed matches, ATP, WTA & Challenger. About