Stadium: Court 12 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Singapore | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| ITF W25 - Karuizawa | 2019/05/20 01:00 | Himeno Sakatsume v Yui Chikaraishi | 6-0,6-3 |
| ITF W25 Singapore | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| ITF Women Hamamatsu | 2018/10/14 00:00 | Ayumi Koshiishi v Yui Chikaraishi | 7-6,6-2 |
| ITF Women Makinohara | 2018/10/07 03:00 | Ari Matsumoto v Yui Chikaraishi | 6-3,6-3 |
| ITF Women Kyoto | 2018/09/03 01:00 | Yui Chikaraishi v Anri Nagata | 4-6,1-6 |
| ITF Women Hong Kong | 2018/07/08 02:00 | Yui Chikaraishi v Ramona Mataruga | 0-6,2-6 |
| ITF Women Singapore Qual | 2018/06/09 02:00 | Ramu Ueda v Yui Chikaraishi | 6-3,6-0 |
| ITF Women Singapore Qual | 2018/06/03 03:25 | Aldila Sutjiadi v Yui Chikaraishi | 6-2,6-1 |
| ITF W25 Singapore | 2019/05/23 04:45 | Jacqueline Cako v Rina Saigo | 6-2,6-3 |
| ITF W25 Singapore | 2019/05/22 06:35 | Hx Izabella Tan v Rina Saigo | 4-6,1-6 |
| ITF W25 Singapore | 2019/05/20 02:00 | Rina Saigo v Nadia Ravita | 6-2,6-3 |
| ITF W25 Singapore | 2019/05/15 02:00 | Valeria Savinykh v Rina Saigo | 6-3,6-3 |
| ITF W25 Singapore | 2019/05/14 02:00 | Zoe Kruger v Rina Saigo | 4-6,2-6 |
| ITF W25 Singapore | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| ITF W25 - Hongkong | 2019/04/08 02:00 | Yuuki Tanaka v Rina Saigo | 6-3,6-1 |
| ITF W15 - Antalya | 2019/03/13 10:05 | Rina Saigo v Caijsa W Hennemann | 6-7,6-4,1-6 |