Stadium: Court 6 Round: 25 Ground: Clay
| ITF W15 Cairo | 2021/09/06 08:30 | Sawayanagi, Riko v Matilde Mariani | 5-7,1-6 |
| ITF W15 Cairo | 2021/09/03 08:00 | Sawayanagi, Riko v Lavinia Tanasie | 3-6,6-7 |
| ITF W15 Cairo | 2021/09/02 08:00 | Gaia Squarcialupi v Sawayanagi, Riko | 6-3,3-6,0-6 |
| ITF W15 Cairo | 2021/09/01 08:00 | Sawayanagi, Riko v Miho Kuramochi | 6-2,6-3 |
| ITF - W15 Monastir | 2021/08/27 09:30 | Sawayanagi, Riko v Moyuka Uchijima | 1-6,2-6 |
| ITF - W15 Monastir | 2021/08/26 09:10 | Ueda, Ramu v Sawayanagi, Riko | 2-6,6-2,3-6 |
| ITF - W15 Monastir | 2021/08/25 16:45 | Sawayanagi, Riko v Maria Vittoria Viviani | 6-4,6-4 |
| ITF - W15 Monastir | 2021/08/24 08:30 | Sawayanagi, Riko v Emma Van Poppel | 6-4,6-0 |
| ITF W15 Cairo | 2021/09/09 08:00 | Punnin Kovapitukted v Vanhoutte, Chelsea | 6-2,7-5 |
| ITF W15 Cairo | 2021/09/08 13:15 | Thommen, Aline v Vanhoutte, Chelsea | 2-6,2-6 |
| ITF W15 Cairo | 2021/08/31 08:00 | Linda Salvi v Vanhoutte, Chelsea | 6-2,6-4 |
| ITF W15 Wanfercee-Baulet | 2021/08/25 07:30 | Arbuthnott, Emily v Vanhoutte, Chelsea | 6-0,7-5 |
| ITF W15 Erwitte | 2021/08/18 09:00 | Fabienne Gettwart v Vanhoutte, Chelsea | 6-4,6-3 |
| ITF W25 Koksijde | 2021/08/08 11:40 | Vanhoutte, Chelsea v Chiara Scholl | 1-6,2-6 |
| ITF W15 Knokke | 2021/07/28 09:15 | Vanhoutte, Chelsea v Lucie Nguyen Tan | 3-6,4-6 |
| ITF W15 Alkmaar | 2021/06/23 14:20 | Vanhoutte, Chelsea v Joanna Garland | 2-6,2-6 |