D. Collins leads the head-to-head 2-1 since 2018 against J. Ostapenko, over 3 matches.
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By surface
| Surface | J. Ostapenko | D. Collins |
| Clay | 0 | 1 |
| Hard | 1 | 1 |
Current ELO by surface
| Surface | J. Ostapenko | D. Collins |
| Hard |
1713 (88-77) |
1780 (71-47) |
| Clay |
1834 (34-22) |
1861 (31-16) |
| Grass |
1797 (35-14) |
1669 (6-5) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
Match history
| Date | Winner | Score | Event |
| April 3, 2025 | D. Collins | 2 - 0 | Charleston · 1/8-finals · clay |
| Sept. 14, 2023 | D. Collins | 2 - 1 | WTA San Diego · 1/8-finals · hard |
| Feb. 6, 2023 | J. Ostapenko | 2 - 1 | Abu Dhabi · 1/16-finals · hard |
Recent form
| Date | | Opponent | Score | Event |
| Aug. 26, 2025 |
L |
J. Cristian |
0 - 2 |
US Open · 1/64-finals · hard |
| Aug. 8, 2025 |
L |
T. Townsend |
0 - 2 |
Cincinnati · 1/64-finals · hard |
| July 30, 2025 |
L |
C. Gauff |
2 - 1 |
Montreal · 1/32-finals · hard |
| July 28, 2025 |
W |
V. Tomova |
2 - 0 |
Montreal · 1/64-finals · hard |
| July 22, 2025 |
L |
M. Linette |
2 - 0 |
Washington · 1/16-finals · hard |
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