D. Medvedev and D. Altmaier are level 1-1 in their head-to-head since 2018 over 2 matches.
| Surface | D. Medvedev | D. Altmaier |
|---|---|---|
| Grass | 1 | 1 |
| Date | Winner | Score | Event |
|---|---|---|---|
| June 19, 2026 | D. Altmaier | 2 - 1 | Halle · Quarter-finals · grass |
| June 16, 2025 | D. Medvedev | 2 - 0 | Halle · 1/16-finals · grass |