Stadium: Court 1 Round: 44 Ground: Clay
| ITF - Cairo W15 | 2021/09/03 08:00 | Riko Sawayanagi v Lavinia Tanasie | 3-6,6-7 |
| ITF - Cairo W15 | 2021/09/02 08:00 | Gaia Squarcialupi v Riko Sawayanagi | 6-3,3-6,0-6 |
| ITF - Cairo W15 | 2021/09/01 08:00 | Riko Sawayanagi v Miho Kuramochi | 6-2,6-3 |
| ITF - Monastir W15 | 2021/08/27 09:30 | Riko Sawayanagi v Moyuka Uchijima | 1-6,2-6 |
| ITF - Monastir W15 | 2021/08/26 09:10 | Ramu Ueda v Riko Sawayanagi | 2-6,6-2,3-6 |
| ITF - Monastir W15 | 2021/08/25 16:45 | Riko Sawayanagi v Maria Vittoria Viviani | 6-4,6-4 |
| ITF - Monastir W15 | 2021/08/24 08:30 | Riko Sawayanagi v Emma Van Poppel | 6-4,6-0 |
| ITF - Monastir W15 | 2021/08/16 16:00 | Riko Sawayanagi v Aglaya Fedorova | 7-5,0-6,6-10 |
| ITF - L'Aquila W15 | 2021/06/21 08:00 | Anastasia Piangerelli v Matilde Mariani | 7-6,4-6,10-2 |
| ITF - L'Aquila W15 | 2021/06/20 07:00 | Beatrice Stagno v Matilde Mariani | 0-6,2-6 |
| ITF - Sharm El Sheikh W15 | 2021/01/31 16:00 | Matilde Mariani v Tanysha Dissanayake | 6-4,3-6,4-10 |
| ITF - Heraklion W15 | 2020/11/09 08:00 | Matilde Mariani v Irene Lavino | 2-6,6-3,8-10 |
| ITF - Heraklion W15 | 2020/11/08 07:30 | Matilde Mariani v Gabriela Duca | 6-4,6-3 |
| ITF - Heraklion W15 | 2020/11/02 08:00 | Matilde Mariani v Olga Helmi | 1-6,2-6 |
| ITF - Heraklion W15 | 2020/11/01 07:30 | Zoziya Kardava v Matilde Mariani | 0-6,2-6 |
| ITF - Heraklion W15 | 2020/10/26 10:00 | Giulia Crescenzi v Matilde Mariani | 6-0,7-5 |