Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W60 Saint-Gaudens | 2021/05/14 09:30 | Clara Burel v Kurumi Nara | 7-5,6-2 |
| ITF W60 Saint-Gaudens | 2021/05/13 11:50 | Destanee Aiava v Kurumi Nara | 6-4,3-6,6-7 |
| ITF W60 Saint-Gaudens | 2021/05/11 19:10 | En Shuo Liang v Kurumi Nara | 7-6,2-6,6-7 |
| WTA Saint-Malo | 2021/05/02 11:00 | Luisa Stefani v Kurumi Nara | 6-1,1-6,6-4 |
| ITF W60 Zagreb | 2021/04/27 09:00 | Kurumi Nara v Petra Marcinko | 4-6,3-6 |
| ITF W25 Oeiras | 2021/04/21 12:20 | Lucia Bronzetti v Kurumi Nara | 5-7,6-4,6-4 |
| WTA Charleston Qual | 2021/04/11 15:00 | Storm Hunter v Kurumi Nara | 7-6,6-2 |
| WTA Charleston Qual | 2021/04/10 15:00 | Whitney Osuigwe v Kurumi Nara | 2-6,0-6 |
| 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 |
| ITF W25 Oeiras | 2021/04/28 10:00 | Hiroko Kuwata v Shalimar Talbi | 1-6,5-7 |