Head to head
2
Hard
1
1
Grass
0
Illya Marchenko's wins on the left · Andreas Seppi's on the right · bar lengths share one scale
All meetings (4)
| 2021 | Sofia | Hard | R32 | Illya Marchenko | 6-4 6-2 |
| 2016 | Metz | Hard | R32 | Illya Marchenko | 6-7(1) 6-3 7-6(4) |
| 2016 | Rio Olympics | Hard | R64 | Andreas Seppi | 6-3 3-6 7-6(6) |
| 2010 | Eastbourne | Grass | R32 | Illya Marchenko | 6-4 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.