Stadium: Court 12 Round: 54 Ground: Hardcourt outdoor
| Singapour, Simples W-ITF-SGP-04A | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| Karuizawa, Singles W-ITF-JPN-12A | 2019/05/20 01:00 | Himeno Sakatsume v Yui Chikaraishi | 6-0,6-3 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2018/10/14 00:00 | Ayumi Koshiishi v Yui Chikaraishi | 7-6,6-2 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2018/10/07 03:00 | Matsumoto, Ari 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 Mataruga, Ramona | 0-6,2-6 |
| ITF Women Singapore Qual | 2018/06/09 02:00 | Ueda, Ramu 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 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/23 04:45 | Cako, Jacqueline v Rina Saigo | 6-2,6-3 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/22 06:35 | Tan, Hx Isabella v Rina Saigo | 4-6,1-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/20 02:00 | Rina Saigo v Ravita, Nadia | 6-2,6-3 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/15 02:00 | Valeria Savinykh v Rina Saigo | 6-3,6-3 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/14 02:00 | Zoe Kruger v Rina Saigo | 4-6,2-6 |
| Singapour, Simples W-ITF-SGP-04A | 2019/05/13 02:00 | Yui Chikaraishi v Rina Saigo | 2-6,0-6 |
| Hong Kong, Simples W-ITF-HKG-01B | 2019/04/08 02:00 | Tanaka, Yuuki 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 |