Marcel Zielinski defeated David Pichler 6-4 5-7 6-1 in the M15 Bad Waltersdorf 1 quarter-final on clay. The upset overturned the form book — David Pichler came in leading the head-to-head 2–0. Marcel Zielinski claimed a first win over David Pichler in three meetings, narrowing the head-to-head to 2–1.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2022-08-18 | M15 Eindhoven 1 | R16 | clay | David Pichler | 6-4 6-1 |
| 2022-06-21 | M15 Kamen 1 | R32 | clay | David Pichler | 6-3 7-6(5) |
Averages over each player's completed matches in the selected window. ATP, WTA & Challenger.