Head to head
1
Hard
1
Lukas Klein's wins on the left · James Duckworth's on the right · bar lengths share one scale
All meetings (2)
| 2024 | Belgrade | Hard | R32 | Lukas Klein | 6-4 6-2 |
| 2021 | Tokyo Olympics | Hard | R64 | James Duckworth | 5-7 6-3 7-6(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.