W. Osuigwe and S. Chang are level 2-2 in their head-to-head since 2018 over 4 matches.
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By surface
| Surface | W. Osuigwe | S. Chang |
| Clay | 2 | 2 |
Current ELO by surface
| Surface | W. Osuigwe | S. Chang |
| Hard |
1525 (77-95) |
1391 (62-72) |
| Clay |
1568 (80-60) |
1329 (39-41) |
| Grass |
1317 (2-7) |
1460 (1-2) |
ELO is computed per surface from results since 2018; the win-loss pair is that surface's record.
Match history
| Date | Winner | Score | Event |
| Jan. 23, 2025 | W. Osuigwe | 2 - 0 | W75 Vero Beach, FL · 1/16-finals · clay |
| May 3, 2023 | S. Chang | 2 - 0 | ITF W100 Bonita Springs, FL Women · 1/16-finals · clay |
| April 2, 2022 | S. Chang | 2 - 0 | Charleston · Semi-finals · clay |
| May 1, 2019 | W. Osuigwe | 2 - 0 | Charleston · 1/16-finals · clay |
Recent form
S. Chang — 0-5 in the last 5
| Date | | Opponent | Score | Event |
| March 29, 2025 |
L |
B. Mattek-Sands |
2 - 0 |
Charleston · Semi-finals · clay |
| March 11, 2025 |
L |
M. Ristic |
2 - 0 |
W75 Targu Mures · 1/16-finals · hard |
| Feb. 23, 2025 |
L |
C. Bucsa |
2 - 0 |
Austin · Semi-finals · hard |
| Feb. 19, 2025 |
L |
V. Osuigwe |
2 - 0 |
W50 Spring, TX · 1/16-finals · hard |
| Jan. 29, 2025 |
L |
C. Zhao |
2 - 0 |
W75 Rome, GA · 1/16-finals · hard |
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