Stadium: Court 19 Round: 62 Ground: Clay
| ITF W15 Antalya | 2021/02/08 09:00 | Nana Kawagishi v Marta Custic | 4-6,3-6 |
| ITF W15 Antalya | 2021/02/07 09:30 | Nana Kawagishi v Laure Line Glaude | 7-5,5-7,10-4 |
| ITF W15 Antalya | 2021/02/02 07:00 | Himeno Sakatsume v Nana Kawagishi | 6-2,6-3 |
| ITF W15 Antalya | 2021/01/31 10:00 | Nana Kawagishi v Maria Toma | 6-2,6-4 |
| ITF W15 Antalya | 2021/01/29 06:30 | Nana Kawagishi v Carlota Martinez Cirez | 2-6,2-6 |
| ITF W15 Antalya | 2021/01/17 09:00 | Tara Wurth v Nana Kawagishi | 6-1,7-5 |
| ITF W25 Yokohama | 2020/03/03 04:00 | Mana Ayukawa v Nana Kawagishi | 6-3,4-6,10-7 |
| ITF W25 Yokohama | 2020/03/03 01:00 | Nana Kawagishi v Chisa Hosonuma | 7-5,6-2 |
| ITF W15 Antalya | 2021/02/07 09:30 | Arianna Zucchini v Ayumi Koshiishi | 6-7,6-4,10-6 |
| ITF W15 Antalya | 2021/02/03 12:10 | Ayumi Koshiishi v Vlada Koval | 3-6,2-6 |
| ITF W15 Antalya | 2021/02/03 06:30 | Vicky Van De Peer v Ayumi Koshiishi | 6-4,6-4 |
| ITF W15 Antalya | 2021/02/02 10:00 | Julia Kimmelmann v Ayumi Koshiishi | 6-4,3-6,7-10 |
| ITF W15 Antalya | 2021/01/31 11:30 | Beatris Spasova v Ayumi Koshiishi | 1-6,2-6 |
| ITF W15 Heraklion | 2020/11/28 08:00 | Ayumi Koshiishi v Andreea Amalia Rosca | 1-6,6-4,3-6 |
| ITF W15 Heraklion | 2020/11/27 10:50 | Ayumi Koshiishi v Sapfo Sakellaridi | 6-4,6-3 |
| ITF W15 Heraklion | 2020/11/26 13:05 | Ayumi Koshiishi v Magdalini Adaloglou | 6-1,6-1 |