Head to head
1
Hard
0
0
Grass
1
James Duckworth's wins on the left · Jason Kubler's on the right · bar lengths share one scale
All meetings (2)
| 2022 | Newport | Grass | QF | Jason Kubler | 7-5 7-6(3) |
| 2018 | Washington | Hard | R32 | James Duckworth | 1-6 6-2 7-6(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.