01/By surface
each with its own count, at equal weight
Hard
2-0
J. leads 2-0 in 2 meetings on hard
Clay
2-0
J. leads 2-0 in 2 meetings on clay
Grass
Never on grass
no meeting on this surface
02/Every meeting
4 rows, newest first
| Date | Tournament | Surface | Round | Winner | Score, winner first | Ranks, J. first |
|---|---|---|---|---|---|---|
| Apr 4, 2025 | Charleston OpenWTA500 | clay | quarterfinal | Pegula J. | 1-6, 6-3, 6-0 | 4 v 22 |
| May 28, 2023 | French OpenGrand Slam | clay | 1st round | Pegula J. | 6-4, 6-2 | 3 v 46 |
| Mar 25, 2023 | Miami OpenWTA1000 | hard | 3rd round | Pegula J. | 6-1, 7-6 | 3 v 30 |
| Aug 13, 2021 | Canadian OpenWTA1000 | hard | 3rd round | Pegula J. | 6-4, 3-6, 7-5 | 30 v 28 |
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. Pegula J. and Collins D. each carry the table against every opponent faced.