R. Safiullin and J. J. Schwaerzler are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | R. Safiullin | J. J. Schwaerzler |
|---|---|---|
| Clay | 1 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 20, 2026 | R. Safiullin | 2 - 0 | French Open · Semi-finals · clay |
| April 9, 2026 | J. J. Schwaerzler | 2 - 0 | Madrid · 1/8-finals · clay |