E. Mertens leads the head-to-head 2-0 since 2018 against P. Udvardy, over 2 matches.
| Surface | E. Mertens | P. Udvardy |
|---|---|---|
| Clay | 1 | 0 |
| Grass | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 7, 2026 | E. Mertens | 2 - 0 | Rome · 1/32-finals · clay |
| June 30, 2022 | E. Mertens | 2 - 1 | Wimbledon · 1/32-finals · grass |