01/By surface
each with its own count, at equal weight
Hard
1-0
K. leads 1-0 in 1 meeting on hard
Clay
Never on clay
no meeting on this surface
Grass
1-0
K. leads 1-0 in 1 meeting on grass
02/Every meeting
2 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, K. first |
|---|---|---|---|---|---|---|
| Feb 26, 2026 | Merida OpenWTA500 | hard | 2nd round | Boulter K.ret. | 6-3, 0-0 | 69 v 61 |
| Jun 7, 2021 | Nottingham OpenWTA250 | grass | 1st round | Boulter K. | 6-2, 6-3 | 262 v 98 |
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 Osorio M. each carry the table against every opponent faced.