Head to head
Rivalry summary
Lukas Klein and James Duckworth met 2 times on the ATP tour between 2021 and 2024. Their head-to-head is level at 1–1. By surface, they are level 1–1 on hard.
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Hard
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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.