Head to head
1
Hard
0
2
Clay
0
1
Grass
0
Karen Khachanov's wins on the left · Thiago Monteiro's on the right · bar lengths share one scale
All meetings (4)
| 2023 | Madrid Masters | Clay | R64 | Karen Khachanov | 6-3 3-6 6-3 |
| 2022 | US Open | Hard | R64 | Karen Khachanov | 6-3 6-3 5-7 6-4 |
| 2022 | Belgrade | Clay | QF | Karen Khachanov | 7-5 6-4 |
| 2017 | Wimbledon | Grass | R64 | Karen Khachanov | 3-6 7-6(5) 7-6(3) 7-5 |
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.