Round: 54 Ground: Hardcourt outdoor
| ITF W25 Canberra | 2019/03/25 00:00 | Ayumi Koshiishi v Yuuki Tanaka | 3-6,1-6 |
| ITF W15 Xiamen | 2019/03/22 03:35 | Ayumi Koshiishi v Eudice Chong | 2-6,3-6 |
| ITF W15 Xiamen | 2019/03/20 02:00 | Ayumi Koshiishi v Ashmitha Easwaramurthi | 6-0,6-1 |
| ITF W15 Shymkent | 2019/02/21 08:20 | Ayumi Koshiishi v Anastasia Zakharova | 4-6,4-6 |
| ITF W15 Shymkent | 2019/02/20 05:00 | Ayumi Koshiishi v Anastasia Astakhova | 6-2,6-4 |
| ITF W15 Shymkent | 2019/02/13 10:55 | Sadafmoh Tolibova v Ayumi Koshiishi | 4-6,6-1,6-1 |
| ITF W15 Palmanova | 2019/02/07 09:30 | Daniella Medvedeva v Ayumi Koshiishi | 6-3,6-1 |
| ITF W15 Palmanova | 2019/02/05 08:30 | Isabel A Gallego v Ayumi Koshiishi | 1-6,2-6 |
| ITF W25 Jackson | 2019/04/01 16:00 | Sophie Abrams v Alesya Yakubovich | 1-6,1-6 |
| ITF Women Minsk | 2018/11/04 07:30 | Sviatlana Pirazhenka v Alesya Yakubovich | 6-1,6-2 |
| ITF Women Chornomorsk | 2018/10/01 09:00 | Vanda Lukacs v Alesya Yakubovich | 6-4,6-0 |
| ITF Women Parnu | 2018/07/18 08:00 | Alesya Yakubovich v Maria Zotova | 4-6,5-7 |
| ITF Women Parnu | 2018/07/17 15:15 | Hanna Sokal v Alesya Yakubovich | 3-6,2-6 |
| ITF Women Parnu | 2018/07/16 10:00 | Alesya Yakubovich v Susanne Celik | 6-4,6-4 |
| ITF Women Minsk Qual | 2018/06/09 07:00 | Anna Martemyanova v Alesya Yakubovich | 3-6,6-4,6-2 |
| ITF Women Minsk | 2018/06/04 08:30 | Alesya Yakubovich v Nonna Kurginyan | 3-6,1-6 |