Name: On Yu Choi
Country: Republic of Korea
Birthdate: 29.12.06, 17 years
Matches total: 69
Win: 40
%: 57.97 %
Country: Republic of Korea
Birthdate: 29.12.06, 17 years
Matches total: 69
Win: 40
%: 57.97 %
| year | summary | Hard | Clay | I. hard | Carpet | Grass | Acrylic |
| 2024 | 25/19 | 19/15 | 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 | 40/29 | 34/24 | 4/3 | 2/2 | 0/0 | 0/0 | 0/0 |
| perc. % | 57.97 % | 58.62 % | 57.14 % | 50 % | 0 % | 0 % | 0 % |
On Yu Choi / scheduled / last
| no matches found |
On Yu Choi form
On Yu Choi / last 50 matches
| 13.09.24 | 1/4 | Elina Nepliy | On Yu Choi | 6-4, 4-6, 6-0 |  | match details |  W15 Singapore | I. hard |
| 12.09.24 | 2nd round | On Yu Choi | Yui Chikaraishi | 6-2, 6-3 |  | match details | ||
| 10.09.24 | 1st round | On Yu Choi | Shria Atturu | 6-1, 6-0 | | match details | ||
| 01.09.24 | q 1 | Mana Kawamura | On Yu Choi | 6-3, 6-4 | | match details |  W100 Incheon | Hard |
| 01.08.24 | 2nd round | Hayu Kinoshita | On Yu Choi | 6-4, 6-0 | | match details |  W15 Sapporo | Hard |
| 31.07.24 | 1st round | On Yu Choi | Alana Parnaby | 6-3, 6-3 | | match details | ||
| 30.07.24 | q 1 | On Yu Choi | Cheuk Ying Shek | 7-5, 4-6, 10-5 | | match details | ||
| 30.07.24 | qual. | On Yu Choi | Anri Nagata | 6-4, 7-5 | | match details | ||
| 25.07.24 | 2nd round | Ying Zhang | On Yu Choi | 6-0, 7-64 | | match details | W15 Sapporo | Hard |
| 24.07.24 | 1st round | On Yu Choi | Nao Nishino | 7-65, 7-65 | | match details | ||
| 23.07.24 | qual. | On Yu Choi | Ai Yamaguchi | 6-0, 6-1 | | match details | ||
| 02.07.24 | qual. | Hiromi Abe | On Yu Choi | 6-1, 6-2 | | match details |  W35 Hong | Hard |
| 01.07.24 | q 1 | On Yu Choi | Ching Laam Lai | 6-0, Ching Laam Lai - retired | | match details | ||
| 24.06.24 | qual. | Rinon Okuwaki | On Yu Choi | 2-6, 6-3, 10-5 | | match details | .png){kind=small} W35 Taipei | Hard |
| 23.06.24 | q 1 | On Yu Choi | Liya Chu | 6-0, 6-2 | | match details | ||
| 17.06.24 | qual. | Lisa-Marie Rioux | On Yu Choi | 6-2, 2-6, 10-3 | | match details | W35 Taipei | Hard |
| 17.06.24 | q 1 | On Yu Choi | Eunji Oh | 7-5, 6-4 | | match details | ||
| 05.06.24 | 1st round | Cherry Kim | On Yu Choi | 5-7, 7-61, 6-1 | | match details | W35 Daegu | Hard |
| 03.06.24 | qual. | On Yu Choi | Jeong Moon | 6-4, 6-3 | | match details | ||
| 02.06.24 | q 1 | On Yu Choi | Annette Robertson | 6-0, 6-0 | | match details | ||
| 27.05.24 | q 2 | Yeon Woo Ku | On Yu Choi | 6-0, 6-1 | | match details | W35 Changwon | Hard |
| 26.05.24 | q 1 | On Yu Choi | Haram Kim | 6-3, 6-1 | | match details | ||
| 21.05.24 | qual. | Sarah Tatu | On Yu Choi | 6-4, 6-2 | | match details |  W15 Monastir | Hard |
| 20.05.24 | q 2 | On Yu Choi | Jiaying He | 5-7, 6-1, 10-8 | | match details | ||
| 15.05.24 | 1st round | Priska Madelyn Nugroho | On Yu Choi | 6-3, 6-3 | | match details | W15 Monastir | Hard |
| 14.05.24 | qual. | On Yu Choi | Ying Zhang | 7-5, 0-6, 10-7 | | match details | ||
| 13.05.24 | q 2 | On Yu Choi | Jiaying He | 6-72, 7-5, 15-13 | | match details | ||
| 06.05.24 | q 2 | Jiaying He | On Yu Choi | 6-2, 5-7, 10-8 | | match details | W15 Monastir | Hard |
| 11.04.24 | 2nd round | Katarina Kuzmova | On Yu Choi | 7-5, 6-1 | | match details |  W35 Sharm | Hard |
| 10.04.24 | 1st round | On Yu Choi | Aglaya Fedorova | 7-5, 7-5 | | match details | ||
| 09.04.24 | qual. | On Yu Choi | Diana Yakovleva | 6-4, 6-3 | | match details | ||
| 08.04.24 | q 2 | On Yu Choi | Holly Hutchinson | 6-1, 6-4 | | match details | ||
| 07.04.24 | q 1 | On Yu Choi | Annabelle Lammas | 6-3, 6-1 | | match details | ||
| 01.04.24 | q 2 | Daria Kuczer | On Yu Choi | 6-0, 6-0 | | match details | W15 Sharm | Hard |
| 24.03.24 | q 1 | Mirjana Jovanovic | On Yu Choi | 6-2, 6-3 | | match details | W15 Sharm | Hard |
| 19.03.24 | qual. | Ayline Esina Samardzic | On Yu Choi | 7-5, 1-6, 10-8 | | match details | W15 Sharm | Hard |
| 18.03.24 | q 2 | On Yu Choi | Charlotte Van Zonneveld | Charlotte Van Zonneveld - walk over | | match details | ||
| 05.02.24 | q 2 | Lucie Pawlak | On Yu Choi | 7-5, 4-2, On Yu Choi - retired | | match details |  W35 Antalya | Clay |
| 04.02.24 | q 1 | On Yu Choi | Fiona Ganz | 6-2, 3-6, 10-5 | | match details | ||
| 29.01.24 | q 2 | Ekaterina Kuznetsova | On Yu Choi | 6-2, 6-76, 10-5 | | match details | W15 Antalya | Clay |
| 28.01.24 | q 1 | On Yu Choi | Polina Sleptsova | 6-2, 6-2 | | match details | ||
| 23.01.24 | qual. | Alisa Baranovska | On Yu Choi | 6-75, 6-2, 10-6 | | match details | W15 Antalya | Clay |
| 22.01.24 | q 2 | On Yu Choi | Zeynep Ilker | 6-1, 6-0 | | match details | ||
| 22.01.24 | q 1 | On Yu Choi | Maide Damla Oezay | 6-1, 6-0 | | match details | ||
| 13.12.23 | 1st round | Ayla Aksu | On Yu Choi | 6-1, 6-1 | | match details | W25 Sharm | Hard |
| 12.12.23 | qual. | On Yu Choi | Magdalena Stoilkovska | 1-6, 7-62, 10-8 | | match details | ||
| 11.12.23 | q 2 | On Yu Choi | Sarafina Olivia Hansen | 7-65, 6-2 | | match details | ||
| 10.12.23 | q 1 | On Yu Choi | Hanna Piatrushka | 6-3, 6-1 | | match details | ||
| 05.12.23 | qual. | Daria Zelinskaya | On Yu Choi | 6-2, 5-7, 10-8 | | match details | W15 Sharm | Hard |
| 04.12.23 | q 2 | On Yu Choi | Danique Havermans | 3-6, 7-65, 11-9 | | match details |