Head to head
2
Hard
0
0
Clay
2
0
Grass
1
Jan-Lennard Struff's wins on the left · Karen Khachanov's on the right · bar lengths share one scale
All meetings (5)
| 2025 | Almaty | Hard | R16 | Jan-Lennard Struff | 4-6 7-6(5) 6-3 |
| 2022 | Hamburg | Clay | R32 | Karen Khachanov | 3-6 6-3 7-6(2) |
| 2020 | Hamburg | Clay | R32 | Karen Khachanov | 7-6(5) 4-6 7-5 |
| 2019 | Paris Masters | Hard | R32 | Jan-Lennard Struff | 7-6(5) 3-6 7-5 |
| 2019 | Halle | Grass | R16 | Karen Khachanov | 6-3 3-6 6-4 |
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.