Nombre: On Yu Choi
País: Republic of Korea
Fecha de nacimiento: 29.12.06, 19 años
WTA ranking: 791
TOP posición de la clasificación: 725 (20.10.25, 5000 puntos)
Puntos: 43
Partidos totales: 155
ganar: 84
%: 54.19 %
País: Republic of Korea
Fecha de nacimiento: 29.12.06, 19 años
WTA ranking: 791
TOP posición de la clasificación: 725 (20.10.25, 5000 puntos)
Puntos: 43
Partidos totales: 155
ganar: 84
%: 54.19 %
| año | resumen | Difícil | Arcilla | I. difícil | Alfombra | Césped | Acrílico |
| 2026 | 11/11 | 11/9 | 0/0 | 0/2 | 0/0 | 0/0 | 0/0 |
| 2025 | 26/23 | 26/22 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| 2024 | 32/27 | 26/23 | 4/3 | 2/1 | 0/0 | 0/0 | 0/0 |
| 2023 | 12/6 | 12/6 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2022 | 3/3 | 3/3 | 0/0 | 0/0 | 0/0 | 0/0 | 0/0 |
| 2021 | 0/1 | 0/0 | 0/0 | 0/1 | 0/0 | 0/0 | 0/0 |
| TOTAL | 84/71 | 78/63 | 4/3 | 2/5 | 0/0 | 0/0 | 0/0 |
| porc. % | 54.19 % | 55.32 % | 57.14 % | 28.57 % | 0 % | 0 % | 0 % |
On Yu Choi / programado / pasado
| No se encontraron partidos |
On Yu Choi form / año 2023 / superficie: Difícil
On Yu Choi / año 2023 / superficie: Difícil
| 13.12.23 | 1er ronda | Ayla Aksu | On Yu Choi | 6-1, 6-1 |  | match details |  W25 Sharm | Difícil |
| 12.12.23 | calif. | On Yu Choi | Magdalena Stoilkovska | 1-6, 7-62, 10-8 |  | match details | ||
| 11.12.23 | c 2 | On Yu Choi | Sarafina Olivia Hansen | 7-65, 6-2 | | match details | ||
| 10.12.23 | c 1 | On Yu Choi | Hanna Piatrushka | 6-3, 6-1 | | match details | ||
| 05.12.23 | calif. | Daria Zelinskaya | On Yu Choi | 6-2, 5-7, 10-8 | | match details | W15 Sharm | Difícil |
| 04.12.23 | c 2 | On Yu Choi | Danique Havermans | 3-6, 7-65, 11-9 | | match details | ||
| 03.12.23 | c 1 | On Yu Choi | Noa Liauw A Fong | 2-6, 6-4, 10-7 | | match details | ||
| 29.11.23 | 1er ronda | Yasmin Ezzat | On Yu Choi | 6-1, 6-1 | | match details | W15 Sharm | Difícil |
| 28.11.23 | calif. | On Yu Choi | Kseniia Piskareva | 7-62, 6-2 | | match details | ||
| 27.11.23 | c 2 | On Yu Choi | Nikol Mishieva | 6-2, 6-2 | | match details | ||
| 26.11.23 | c 1 | On Yu Choi | Alisa Yakimakho | 6-1, 6-2 | | match details | ||
| 06.09.23 | 1er ronda | Dayeon Back | On Yu Choi | 6-0, 6-1 | | match details |  W15 Yeongwol | Difícil |
| 05.09.23 | calif. | On Yu Choi | Subin Park | 3-6, 7-64, 10-7 | | match details | ||
| 04.09.23 | c 2 | On Yu Choi | Sebin Eom | 6-73, 6-2, 10-5 | | match details | ||
| 03.09.23 | c 1 | On Yu Choi | Seo Yeon Park | 6-3, 7-63 | | match details | ||
| 30.08.23 | 1er ronda | Dasha Ivanova | On Yu Choi | 7-5, 6-2 | | match details | W15 Yeongwol | Difícil |
| 23.01.23 | 2da ronda | Sayaka Ishii | On Yu Choi | 6-0, 6-1 | | match details |  Australian Open | Difícil |
| 21.01.23 | 1er ronda | On Yu Choi | Gabby Gregg | 2-6, 6-3, 7-5 | | match details |