Stadium: Centre Court Round: 54 Ground: Hardcourt outdoor
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/01 07:30 | Komardina, Anastasiya v Doroshina, Olga | 6-3,6-7,7-5 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/12/31 01:50 | Doroshina, Olga v Ying Zhang | 6-7,6-1,10-5 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/12/30 03:00 | Doroshina, Olga v Kuearum, Supapitch | 4-6,6-2,10-5 |
| ITF W25 Navi Mumbai | 2019/12/21 10:30 | Jeong, Sunam v Doroshina, Olga | 6-3,3-6,6-3 |
| ITF W25 Navi Mumbai | 2019/12/20 12:20 | Doroshina, Olga v Zeel Desai | 6-2,3-6,6-1 |
| ITF W25 Navi Mumbai | 2019/12/19 11:15 | Doroshina, Olga v Kato, Miyu | 6-3,6-3 |
| ITF W25 Navi Mumbai | 2019/12/18 12:30 | Hiroko Kuwata v Doroshina, Olga | 4-6,2-6 |
| ITF W25 Navi Mumbai | 2019/12/16 12:50 | Doroshina, Olga v Shaik, Humera Begum | 7-5,6-2 |
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/06 02:00 | Yeung, Venia v Okuno, Ayaka | 4-6,1-6 |
| Nonthaburi, Simples W-ITF-THA-06A | 2019/12/05 02:30 | Okuno, Ayaka v Meiqi Guo | 1-6,5-7 |
| Nonthaburi, Simples W-ITF-THA-06A | 2019/12/04 02:25 | Okuno, Ayaka v Piwbangruk, Natthapat | 6-0,6-4 |
| Nonthaburi, Simples W-ITF-THA-06A | 2019/11/27 02:30 | Okuno, Ayaka v Nigina Abduraimova | 1-6,3-6 |
| ITF W25 Hua Hin | 2019/11/12 05:25 | Ueda, Ramu v Okuno, Ayaka | 6-1,6-3 |
| ITF W25 Hua Hin | 2019/11/11 03:55 | Laura Ashley v Okuno, Ayaka | 4-6,4-6 |
| ITF W25 Hua Hin | 2019/11/05 04:45 | Eudice Chong v Okuno, Ayaka | 6-7,6-2,12-10 |
| ITF W25 Hua Hin | 2019/11/04 08:15 | Okuno, Ayaka v Mei Yamaguchi | 7-5,6-1 |