Head to head
1
Hard
1
Joao Sousa's wins on the left · Karen Khachanov's on the right · bar lengths share one scale
All meetings (2)
| 2019 | St. Petersburg | Hard | R16 | Joao Sousa | 7-6(2) 6-4 |
| 2016 | Chengdu | Hard | R32 | Karen Khachanov | 7-6(3) 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.