Adrian Oetzbach defeated Christoph Negritu 5-7 7-6 10-7 in the M25 Karlsruhe 1 qualifying round of 16 on clay. The upset overturned the form book — Christoph Negritu came in ranked #544, leading the head-to-head 1–0. Adrian Oetzbach claimed a first win over Christoph Negritu in two meetings, narrowing the head-to-head to 1–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-03-21 | M15 Monastir 12 | R32 | hard | Christoph Negritu | 6-3 6-4 |
Averages over each player's completed matches in the selected window (200 vs 199). 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