Joel Schwaerzler defeated Marat Sharipov (RUS) 6-3 2-6 7-6 in the M25 Kiseljak 1 quarter-final on clay. The upset overturned the form book — Marat Sharipov (RUS) came in leading the head-to-head 1–0. Joel Schwaerzler claimed a first win over Marat Sharipov (RUS) in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-18 | M15 Kottingbrunn 1 | QF | clay | Marat Sharipov (RUS) | 6-2 6-0 |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.
Schwaerzler J.: 6 days rest · 1 match, 18 games (7d). Higher means fresher. About