Head to head
1
Hard
0
0
Clay
1
Daniel Altmaier's wins on the left · Otto Virtanen's on the right · bar lengths share one scale
All meetings (2)
| 2025 | Marrakech | Clay | R32 | Otto Virtanen | 6-2 4-6 7-6(3) |
| 2025 | Marseille | Hard | R16 | Daniel Altmaier | 6-4 6-3 |
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.