Stadium: Court 4 Round: 26 Ground: Clay
| ITF W15 Sibenik | 2021/05/19 08:30 | Hiroko Kuwata v Wargnier, Lucie | 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 Dagan Fruchtman, Mika | 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 Talbi, Shalimar | 1-6,5-7 |
| ITF W25 Oeiras | 2021/04/27 11:10 | Hiroko Kuwata v Verena Meliss | 7-5,6-4 |
| ITF W15 Sibenik | 2021/05/19 10:05 | Petra Marcinko v Ekaterina Makarova | 6-3,2-6,6-2 |
| ITF W60 Zagreb | 2021/04/29 13:20 | Petra Marcinko v Jule Niemeier | 1-6,2-6 |
| ITF W60 Zagreb | 2021/04/27 09:00 | Nara, Kurumi v Petra Marcinko | 4-6,3-6 |