Stadium: COURT 04 Round: 27 Ground: Hardcourt outdoor
| ITF W15 Ramat Hasharon | 2021/05/06 09:10 | Hiroko Kuwata v Mika D Fruchtman | 6-4,6-3 |
| ITF W15 Ramat Hasharon | 2021/05/05 08:50 | Hiroko Kuwata v Anna Ozerova | 6-7,6-3,6-0 |
| ITF W25 Oeiras | 2021/04/28 10:00 | Hiroko Kuwata v Shalimar Talbi | 1-6,5-7 |
| ITF W25 Oeiras | 2021/04/27 11:10 | Hiroko Kuwata v Verena Meliss | 7-5,6-4 |
| ITF W15 Antalya | 2021/04/07 11:05 | Diana Demidova v Hiroko Kuwata | 6-1,6-2 |
| ITF W15 Antalya | 2021/03/31 06:50 | Hiroko Kuwata v Noelia Zeballos | 3-6,7-6,3-6 |
| ITF W15 Antalya | 2021/03/26 10:05 | Hiroko Kuwata v Melodie Collard | 5-7,5-7 |
| ITF W15 Antalya | 2021/03/17 11:00 | Alexandra Vecic v Hiroko Kuwata | 6-0,6-4 |
| ITF W15 Ramat Hasharon | 2021/05/06 08:20 | Kristina Milenkovic v Valentina Ryser | 3-6,2-6 |
| ITF W15 Ramat Hasharon | 2021/05/05 07:00 | Shiran Arol Wiegand v Valentina Ryser | 0-6,4-6 |
| ITF W15 Antalya | 2021/04/23 07:00 | Anastasiya Konstantinovna Soboleva v Valentina Ryser | 6-0,6-0 |
| ITF W15 Antalya | 2021/04/22 07:00 | Noelia Zeballos v Valentina Ryser | 6-4,4-6,2-6 |
| ITF W15 Antalya | 2021/04/20 09:25 | Valentina Ryser v Nika Radisic | 6-1,6-2 |
| ITF W15 Antalya | 2021/04/12 07:00 | Valentina Ryser v Maria F Navarro Oliva | 1-6,1-6 |
| ITF W15 Antalya | 2021/04/11 07:00 | Valentina Ryser v Arina Solomatina | 6-4,6-4 |
| ITF W60 Bellinzona | 2021/04/05 11:05 | Sebastianna Scilipoti v Valentina Ryser | 6-1,5-7,6-0 |