By surface
| Surface | Lulu Sun | Viktor Markov |
|---|---|---|
| Hard | 0 | 2 |
All meetings (2)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2026-08-31 | WTA | US Open | Round of 64 | Hard | Elise Mertens | 2-6 | 3-6 | |||
| 2025-08-25 | WTA | US Open | Round of 64 | Hard | Elise Mertens | 2-6 | 3-6 |