Stadium: Court 2 Round: 25 Ground: Clay
| ITF - W15 Antalya | 2020/01/15 08:25 | Okuno, Ayaka v Ayla Aksu | 3-6,3-6 |
| Hong Kong, Simples W-ITF-HKG-01B | 2020/01/07 03:50 | Doroshina, Olga v Okuno, Ayaka | 6-0,6-1 |
| 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 - W15 Antalya | 2020/01/16 07:00 | Oleksandra Oliynykova v Diana Demidova | 1-6,1-6 |
| ITF - W15 Antalya | 2020/01/10 07:00 | Oleksandra Oliynykova v Zeynep Sonmez | 6-3,5-7,3-6 |
| ITF - W15 Antalya | 2020/01/09 07:00 | Oleksandra Oliynykova v Ghaoui, Yasmeen | 6-3,6-0 |
| ITF - W15 Antalya | 2020/01/08 07:00 | Oleksandra Oliynykova v Tinaztepe, Tuana | 6-1,6-1 |
| ITF - W15 Antalya | 2019/12/19 08:25 | Oleksandra Oliynykova v Sara Cakarevic | 6-7,0-6 |
| ITF - W15 Antalya | 2019/12/18 07:00 | Misaki Matsuda v Oleksandra Oliynykova | 6-4,3-6,4-6 |
| ITF - W15 Héraklion | 2019/12/15 11:15 | Oleksandra Oliynykova v Chiara Scholl | 2-6,7-5,1-6 |
| ITF - W15 Héraklion | 2019/12/15 08:00 | Oleksandra Oliynykova v Martina Spigarelli | 1-6,6-4,6-3 |