Stadium: Center Court Round: 25
| ITF Women Nanning | 2018/10/22 05:40 | Gai, AO v Erika Sema | 1-6,6-3,1-6 |
| Suzhou, Simples W-WITF-CHN-16A | 2018/10/15 04:20 | Jiang, Xinyu v Gai, AO | 6-0,6-3 |
| Suzhou, Simples W-WITF-CHN-16A | 2018/10/14 06:25 | Yanni Liu v Gai, AO | 4-6,6-4,2-6 |
| WTA Guangzhou | 2018/09/15 03:40 | Gai, AO v Namigata, Junri | 1-6,6-3,1-6 |
| Tsukuba, Singles W-WITF-JPN-09A | 2018/08/21 00:30 | Naiktha Bains v Gai, AO | 6-3,6-3 |
| ITF Women Guiyang | 2018/08/16 04:15 | Gai, AO v Anastasia Gasanova | 4-6,4-6 |
| ITF Women Guiyang | 2018/08/14 08:55 | Gai, AO v Wushuang Zheng | 3-6,6-2,6-2 |
| ITF Women Jinan | 2018/08/08 07:00 | Gai, AO v Su Jeong Jang | 2-6,6-4,2-6 |
| WTA Moscow | 2018/10/13 10:35 | Doroshina, Olga v Sofya Lansere | 6-7,7-6,3-6 |
| ITF Women Zagreb | 2018/09/08 13:05 | Doroshina, Olga v Paula Ormaechea | 5-7,4-6 |
| ITF Women Zagreb | 2018/09/07 15:10 | Doroshina, Olga v Kaja Juvan | 6-1,0-6,6-3 |
| ITF Women Zagreb | 2018/09/06 09:00 | Andrea Gamiz v Doroshina, Olga | 3-6,2-6 |
| ITF Women Zagreb | 2018/09/05 08:00 | Doroshina, Olga v Honcova, Michaela | 6-1,5-7,6-1 |
| Astana, Singles W-WITF-KAZ-05A | 2018/07/20 05:00 | Doroshina, Olga v Flink, Varvara | 4-6,3-6 |
| Astana, Singles W-WITF-KAZ-05A | 2018/07/18 05:00 | Doroshina, Olga v Kukharchuk, Nika | 6-2,6-0 |
| Astana, Singles W-WITF-KAZ-05A | 2018/07/16 04:00 | Doroshina, Olga v Iryna Shymanovich | 6-3,7-5 |