01/By surface
each with its own count, at equal weight
Hard
1-0
C. leads 1-0 in 1 meeting on hard
Clay
1-1
Level 1-1 in 2 meetings on clay
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, C. first |
|---|---|---|---|---|---|---|
| Aug 30, 2019 | US OpenGrand Slam | hard | 2nd round | Wozniacki C. | 4-6, 6-3, 6-4 | 19 v 35 |
| May 14, 2019 | Internazionali BNL d'ItaliaPremier | clay | 1st round | Collins D.ret. | 7-6 | 12 v 30 |
| May 28, 2018 | French OpenGrand Slam | clay | 1st round | Wozniacki C. | 7-6, 6-1 | 2 v 42 |
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. Wozniacki C. and Collins D. each carry the table against every opponent faced.