S. Tsitsipas leads the head-to-head 4-0 since 2018 against A. Muller, over 4 matches.
| Surface | A. Muller | S. Tsitsipas |
|---|---|---|
| Clay | 0 | 2 |
| Hard | 0 | 2 |
| Date | Winner | Score | Event |
|---|---|---|---|
| May 26, 2026 | S. Tsitsipas | 1 - 0 | French Open · 1/64-finals · clay |
| Aug. 26, 2025 | S. Tsitsipas | 3 - 1 | US Open · 1/64-finals · hard |
| May 9, 2025 | S. Tsitsipas | 2 - 0 | Rome · 1/32-finals · clay |
| Oct. 8, 2024 | S. Tsitsipas | 2 - 0 | ATP Shanghai · 1/16-finals · hard |