stadio: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Chiang Rai | 2022/06/07 03:40 | Eri Shimizu v Riko Sawayanagi | 3-6,7-5,11-9 |
| ITF W25 Chiang Rai - Qual. | 2022/06/06 05:35 | Varunya Wongteanchai v Riko Sawayanagi | 6-2,6-7,6-10 |
| ITF W25 Chiang Rai - Qual. | 2022/06/05 06:50 | Waraporn Muangpho v Riko Sawayanagi | 0-6,0-6 |
| ITF W25 Chiang Rai | 2022/06/02 02:00 | Haruna Arakawa v Riko Sawayanagi | 6-4,6-0 |
| ITF W25 Chiang Rai | 2022/06/01 04:05 | Riko Sawayanagi v Anastasia Sukhotina | 1-6,6-1,7-5 |
| ITF W25 Chiang Rai | 2022/05/31 05:45 | Riko Sawayanagi v Nidhi Chilumula | 6-4,6-0 |
| ITF W25 Chiang Rai | 2022/05/30 05:10 | Riko Sawayanagi v Rada Manataweewat | 6-1,6-4 |
| ITF W15 Antalya | 2022/04/20 07:00 | Eva Garkusha v Riko Sawayanagi | 6-2,4-6,6-2 |
| ITF W25 Incheon | 2022/06/10 02:00 | Na-Lae Han v Nana Kawagishi | 7-6,6-3 |
| ITF W25 Incheon | 2022/06/09 04:30 | Nana Kawagishi v Da Ye Kim | 6-1,6-4 |
| ITF W25 Incheon | 2022/06/07 03:25 | Yu Jin Ahn v Nana Kawagishi | 3-6,5-7 |
| ITF W25 Changwon | 2022/06/03 00:50 | Na-Lae Han v Nana Kawagishi | 6-1,6-0 |
| ITF W25 Changwon | 2022/06/02 01:00 | Nana Kawagishi v Risa Ushijima | 1-6,7-6,6-1 |
| ITF W25 Changwon | 2022/06/01 00:50 | Nana Kawagishi v Yui Chikaraishi | 6-3,6-2 |
| ITF W25 Monastir | 2022/03/01 14:00 | Anouk Koevermans v Nana Kawagishi | 4-6,6-3,10-6 |
| ITF W25 Monastir | 2022/03/01 10:30 | Mio Mushika v Nana Kawagishi | 4-6,2-6 |