Stadium: Court Clay 4 Round: 44 Ground: Clay
| ITF W15 Heraklion | 2020/10/26 10:00 | Ayumi Koshiishi v Vicky Van De Peer | 6-1,6-4 |
| ITF W25 Perth | 2020/02/23 02:00 | Alana Parnaby v Ayumi Koshiishi | 2-6,6-4,17-15 |
| ITF W25 Perth | 2020/02/18 02:00 | Alicia Smith v Ayumi Koshiishi | 7-5,7-6 |
| ITF W25 Perth | 2020/02/16 04:00 | Luna Jokanovic v Ayumi Koshiishi | 1-6,4-6 |
| ITF W15 Manacor | 2020/01/30 13:40 | Margot Yerolymos v Ayumi Koshiishi | 6-2,6-3 |
| ITF W15 Manacor | 2020/01/29 12:10 | Ayumi Koshiishi v Fiona Ganz | 6-1,6-4 |
| ITF W15 Manacor | 2020/01/27 09:30 | Jerricka Boone v Ayumi Koshiishi | 4-6,4-6 |
| ITF W15 Manacor | 2020/01/26 12:00 | Nina Ugrelidze v Ayumi Koshiishi | 1-6,2-6 |
| ITF W15 Heraklion | 2020/10/26 10:00 | Zoe Howard v Olga Helmi | 2-6,6-3,10-7 |
| ITF W15 Heraklion | 2020/10/25 09:30 | Lola Marandel v Zoe Howard | 1-6,2-6 |
| ITF W15 Monastir | 2020/10/01 11:45 | Shalimar Talbi v Zoe Howard | 7-5,0-6,6-1 |
| ITF W15 Monastir | 2020/09/29 09:20 | Zoe Bourbotte v Zoe Howard | 5-7,4-6 |
| ITF W15 Monastir | 2020/09/28 09:00 | Chantal Sauvant v Zoe Howard | 6-7,4-6 |
| ITF W15 Monastir | 2020/09/23 08:00 | Zoe Howard v Darya Astakhova | 2-6,1-6 |
| ITF W15 Monastir | 2020/09/18 08:30 | Zoe Howard v Anna Kubareva | 2-6,2-6 |
| ITF W15 Monastir | 2020/09/17 11:25 | Zoe Howard v Alina Michalitsch | 6-4,6-1 |