R. Bertola leads the head-to-head 3-1 since 2018 against S. Mochizuki, over 4 matches.
| Surface | R. Bertola | S. Mochizuki |
|---|---|---|
| Grass | 1 | 0 |
| Clay | 2 | 0 |
| Hard | 0 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 18, 2026 | R. Bertola | 2 - 0 | Nottingham · Quarter-finals · grass |
| May 18, 2026 | R. Bertola | 2 - 1 | French Open · Quarter-finals · clay |
| Jan. 14, 2025 | S. Mochizuki | 2 - 0 | Nonthaburi 3 · 1/16-finals · hard |
| May 16, 2022 | R. Bertola | 2 - 0 | Tunis · Final · clay |