Jeremy Jahn defeated Marlon Vankan 6-4 6-1 in the M25 Koksijde 1 quarter-final on clay. The result followed the form book — Jeremy Jahn came in leading the head-to-head 2–0. Jeremy Jahn extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2023-08-31 | M25 Oldenzaal 1 | R16 | clay | Jeremy Jahn | 7-6(5) 6-2 |
| 2023-06-22 | M25 Montauban 1 | R16 | clay | Jeremy Jahn | 6-1 6-2 |
Averages over each player's completed matches in the selected window (18 vs 6). 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