Stadium: Court 8 Round: 44 Ground: Hardcourt outdoor
| ITF W15 Knokke | 2019/08/01 08:00 | Rina Saigo v Yukina Saigo | 6-4,4-6,4-6 |
| ITF W25 Nonthaburi | 2020/01/28 03:30 | Akgul Amanmuradova v Rina Saigo | 6-7,6-1,10-4 |
| ITF W25 Nonthaburi | 2020/01/27 04:10 | Rina Saigo v Sakura Hondo | 3-6,6-3,10-7 |
| ITF W25 Nonthaburi | 2020/01/26 04:50 | Rina Saigo v Ashmitha Easwaramurthi | 6-3,6-4 |
| ITF W100 Tokyo | 2019/11/11 05:00 | Nagi Hanatani v Rina Saigo | 6-3,3-6,14-12 |
| ITF W100 Tokyo | 2019/11/11 01:00 | Rina Saigo v Mana Ayukawa | 2-6,7-5,10-6 |
| ITF W15 Antalya | 2019/10/09 13:05 | Petia Arshinkova v Rina Saigo | 1-6,7-6,6-2 |
| ITF W15 Antalya | 2019/10/05 07:00 | Sabina Sharipova v Rina Saigo | 5-7,6-3,6-1 |
| ITF W15 Antalya | 2019/10/04 07:00 | Rina Saigo v Maria Timofeeva | 6-3,4-6,7-5 |
| ITF W25 Nonthaburi | 2020/01/26 09:20 | Erika Sema v Yukina Saigo | 6-0,6-2 |
| ITF W100 Tokyo | 2019/11/11 03:25 | Yukina Saigo v Naho Sato | 1-6,5-7 |
| ITF W15 Antalya | 2019/10/10 10:05 | Claudia Giovine v Yukina Saigo | 6-4,4-6,6-3 |
| ITF W15 Antalya | 2019/10/09 07:00 | Anna Gabric v Yukina Saigo | 4-6,6-4,1-6 |
| ITF W15 Antalya | 2019/10/03 07:00 | Maria Timofeeva v Yukina Saigo | 6-1,6-4 |
| ITF W15 Antalya | 2019/10/02 07:00 | Yukina Saigo v Olivia Gram | 6-2,6-2 |
| ITF W15 Antalya | 2019/09/24 07:00 | Yukina Saigo v Fanny Ostlund | 2-6,7-6,1-6 |
| ITF W15 Antalya | 2019/09/18 09:55 | Yukina Saigo v Ida Jarlskog | 2-6,6-7 |