R. Carballes Baena and H. Dellien are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | R. Carballes Baena | H. Dellien |
|---|---|---|
| Clay | 1 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 22, 2026 | H. Dellien | 2 - 1 | French Open · Final · clay |
| May 11, 2023 | R. Carballes Baena | 2 - 0 | ATP Rome · 1/64-finals · clay |