Head to head
1
Hard
1
1
Grass
0
Illya Marchenko's wins on the left · Joao Sousa's on the right · bar lengths share one scale
All meetings (3)
| 2018 | Davis Cup G1 R2: UKR vs POR | Hard | RR | Joao Sousa | 4-6 6-2 6-3 |
| 2015 | 's-Hertogenbosch | Grass | R16 | Illya Marchenko | 6-3 7-6(2) |
| 2008 | Davis Cup G2 F: UKR vs POR | Hard | RR | Illya Marchenko | 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.