Stadium: Court 4 Round: 25 Ground: Clay
| ITF - W15 Shymkent | 2019/02/13 10:55 | Tolibova, Sadafmoh v Ayumi Koshiishi | 4-6,6-1,6-1 |
| ITF W15 Palmanova | 2019/02/07 09:30 | Medvedeva, Daniella v Ayumi Koshiishi | 6-3,6-1 |
| ITF W15 Palmanova | 2019/02/05 08:30 | Adrover Gallego, Isabel v Ayumi Koshiishi | 1-6,2-6 |
| ITF - W15 Manacor | 2019/01/31 09:00 | Claudia Hoste Ferrer v Ayumi Koshiishi | 6-0,6-2 |
| ITF - W15 Manacor | 2019/01/29 09:00 | Jazmin Ortenzi v Ayumi Koshiishi | 5-7,6-4,2-6 |
| ITF - W15 Manacor | 2019/01/25 14:00 | Payola, Julia v Ayumi Koshiishi | 6-2,6-2 |
| ITF - W15 Manacor | 2019/01/25 09:00 | Jazmin Ortenzi v Ayumi Koshiishi | 2-6,6-1,2-6 |
| ITF - W15 Manacor | 2019/01/22 11:30 | Laura Svatikova v Ayumi Koshiishi | 6-3,6-7,3-6 |
| ITF - W15 Shymkent | 2019/02/12 07:30 | Astakhova, Anastasia v Kamilla Rakhimova | 7-6,2-6,3-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/25 07:15 | Astakhova, Anastasia v Stamat, Vitalia | 1-6,0-6 |
| Shymkent, Singles W-WITF-KAZ-08A | 2018/09/18 06:40 | Astakhova, Anastasia v Daria Lodikova | 3-6,2-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/09/11 06:30 | Astakhova, Anastasia v Palkina, Ksenia | 1-6,3-6 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/08/27 05:00 | Talbi, Shalimar v Astakhova, Anastasia | 6-3,6-2 |
| Astana, Singles W-WITF-KAZ-05A | 2018/07/16 04:00 | Ekaterine Gorgodze v Astakhova, Anastasia | 6-2,6-4 |
| Almaty, Singles Qualifying W-WITF-KAZ-01A | 2018/07/10 04:00 | Tolibova, Sadafmoh v Astakhova, Anastasia | 7-5,6-4 |