Andrej Martin defeated Martin Klizan 3-6 7-5 6-2 in the Umag round of 16 on clay. The upset overturned the form book — Martin Klizan came in leading the head-to-head 2–1, defending last year's round of 16. Andrej Martin narrowed the head-to-head to 2–2.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2024-07-10 | M25 Padova 1 | R16 | clay | Andrej Martin | 7-5 6-1 |
| 2009-05-18 | Czech Rep F3 | R16 | clay | Martin Klizan | 6-2 6-2 |
| 2008-10-20 | Great Britain F16 | R32 | hard | Martin Klizan | 6-1 6-4 |
Averages over each player's completed matches in the selected window (200 vs 200). 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