01/By surface
each with its own count, at equal weight
Hard
3-0
K. leads 3-0 in 3 meetings on hard
Clay
Never on clay
no meeting on this surface
Grass
Never on grass
no meeting on this surface
02/Every meeting
3 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Aug 19, 2025 | Tennis in the LandWTA250 | hard | 1st round | Boulter K. | 6-4, 6-3 | 48 v 88 |
| Nov 2, 2024 | Hong Kong Tennis OpenWTA250 | hard | semifinal | Boulter K. | 6-2, 5-7, 6-2 | 29 v 45 |
| Jan 16, 2024 | Australian OpenGrand Slam | hard | 1st round | Boulter K. | 7-5, 7-6 | 54 v 61 |
A record, never a share of meetings. Main-draw singles since 2013; a meeting ended by retirement is counted with the sets that were played and marked; a walkover is listed and counted in neither column. Boulter K. and Yuan Y. each carry the table against every opponent faced.