By surface
| Surface | Ekaterina Alexandrova | Lulu Sun |
|---|---|---|
| Hard | 2 | 1 |
All meetings (3)
| Date | Tour | Tournament | Round | Surface | Winner | Set 1 | Set 2 | Set 3 | Set 4 | Set 5 |
|---|---|---|---|---|---|---|---|---|---|---|
| 2025-08-07 | WTA | Cincinnati | Round of 64 | Hard | Ekaterina Alexandrova | 6-4 | 6-2 | |||
| 2024-08-19 | WTA | Monterrey | Semifinal | Hard | Lulu Sun | 5-7 | 6-3 | 6-76 | ||
| 2022-09-19 | WTA | Seoul | Quarterfinal | Hard | Ekaterina Alexandrova | 7-5 | 7-66 |