Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Hong Kong | 2019/01/03 06:45 | Valentini Grammatikopoulou v Hiroko Kuwata | 6-4,0-6,7-6 |
| ITF W25 Kazan | 2021/06/06 07:55 | Anna Kubareva v Valentini Grammatikopoulou | 6-1,6-3 |
| ITF W25 Kazan | 2021/06/05 07:00 | Valentini Grammatikopoulou v Vlada Koval | 6-2,3-6,6-2 |
| ITF W25 Kazan | 2021/06/04 06:55 | Alina Charaeva v Valentini Grammatikopoulou | 6-1,0-6,0-6 |
| ITF W25 Kazan | 2021/06/03 07:00 | Jasmin Jebawy v Valentini Grammatikopoulou | 3-6,2-6 |
| ITF W25 Kazan | 2021/06/02 07:00 | Anastasia Tikhonova v Valentini Grammatikopoulou | 2-6,1-6 |
| ITF W25 Liepaja | 2021/05/28 07:55 | Malene Helgo v Valentini Grammatikopoulou | 7-5,6-4 |
| ITF W25 Oeiras | 2021/04/30 09:50 | Maria G Carrasco v Valentini Grammatikopoulou | 6-7,7-6,6-3 |
| ITF W25 Oeiras | 2021/04/29 09:55 | Valentini Grammatikopoulou v Conny Perrin | 6-4,6-2 |
| ITF W25 Montemor-O-Novo | 2021/06/07 09:00 | Hiroko Kuwata v Sashi Kempster | 6-3,6-3 |
| ITF W15 Sibenik | 2021/05/20 08:00 | Hiroko Kuwata v Petra Marcinko | 1-6,6-4,3-6 |
| ITF W15 Sibenik | 2021/05/19 08:30 | Hiroko Kuwata v Lucie Wargnier | 6-3,6-0 |
| ITF W15 Jerusalem | 2021/05/13 09:00 | Hiroko Kuwata v Jenny Duerst | 6-2,6-7,2-6 |
| ITF W15 Jerusalem | 2021/05/12 09:45 | Hiroko Kuwata v Sabastiani Leon | 6-1,1-6,6-3 |
| ITF W15 Ramat Hasharon | 2021/05/07 07:00 | Hiroko Kuwata v Valentina Ryser | 3-6,3-6 |
| 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 |