Head to head
1
Hard
1
2
Clay
1
Felix Auger-Aliassime's wins on the left · Daniel Altmaier's on the right · bar lengths share one scale
All meetings (5)
| 2026 | Roland Garros | Clay | R128 | Felix Auger-Aliassime | 4-6 6-4 4-6 6-1 7-6(7) |
| 2025 | Paris Masters | Hard | R16 | Felix Auger-Aliassime | 3-6 6-3 6-2 |
| 2025 | Hamburg | Clay | R32 | Felix Auger-Aliassime | 6-3 6-3 |
| 2025 | Monte Carlo Masters | Clay | R64 | Daniel Altmaier | 7-6(5) 6-3 |
| 2024 | Auckland | Hard | R16 | Daniel Altmaier | 7-6(9) 7-5 |
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.