B. Bonzi leads the head-to-head 2-0 since 2018 against H. Dellien, over 2 matches.
| Surface | B. Bonzi | H. Dellien |
|---|---|---|
| Hard | 1 | 0 |
| Clay | 1 | 0 |
| Date | Winner | Score | Event |
|---|---|---|---|
| Aug. 1, 2026 | B. Bonzi | 2 - 0 | Montreal · Final · hard |
| May 20, 2024 | B. Bonzi | 2 - 1 | ATP French Open · Quarter-finals · clay |