Head to head
3
Hard
0
0
Clay
1
Jannik Sinner's wins on the left · Daniel Altmaier's on the right · bar lengths share one scale
All meetings (4)
| 2025 | Vienna | Hard | R32 | Jannik Sinner | 6-0 6-2 |
| 2025 | Shanghai | Hard | R64 | Jannik Sinner | 6-3 6-3 |
| 2023 | Roland Garros | Clay | R64 | Daniel Altmaier | 6-7(0) 7-6(7) 1-6 7-6(4) 7-5 |
| 2022 | US Open | Hard | R128 | Jannik Sinner | 5-7 6-2 6-1 3-6 6-1 |
Methodology
Head-to-head totals and surface splits exclude walkovers (no match was played), which follows ATP convention — walkover meetings still appear in the match list. The momentum chart plots the running lead across all counted meetings, oldest to newest.