Norbert Gombos defeated Jelle Sels 2-6 6-0 7-5 in the Ostrava CH round of 32 on clay. The result followed the form book — Norbert Gombos came in ranked #361, leading the head-to-head 2–0, defending last year's round of 32. Norbert Gombos extended the head-to-head to 3–0.
| Date | Tournament | Round | Surface | Winner | Score |
|---|---|---|---|---|---|
| 2021-03-01 | Rotterdam | Q1 | hard | Norbert Gombos | 6-3 7-6 |
| 2021-02-27 | Rotterdam | Q16 | hard | Norbert Gombos | 6-3 7-6(2) |
Averages over each player's completed matches in the selected window (82 vs 93). 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