stadio: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Santarem | 2021/09/21 10:45 | Momoko Kobori v Jia-Jing Lu | 1-6,5-7 |
| ITF W60 Caldas da Rainha | 2021/09/12 15:00 | Momoko Kobori v Elena Bogdan | 6-2,4-6,8-10 |
| ITF W25 Lisbona | 2021/07/06 17:05 | Olivia Gadecki v Momoko Kobori | 6-4,6-2 |
| ITF W25 Palma del Rio | 2021/06/29 18:50 | Olivia Gadecki v Momoko Kobori | 6-2,6-2 |
| ITF W25 Porto | 2021/06/23 11:30 | Momoko Kobori v Marta Custic | 3-6,2-6 |
| ITF W25 Figueira Da Foz | 2021/06/18 11:30 | Momoko Kobori v Yuriko Lily Miyazaki | 2-6,1-6 |
| ITF W25 Figueira Da Foz | 2021/06/16 11:55 | Isabelle Haverlag v Momoko Kobori | 1-6,3-6 |
| ITF W15 Sharm El Sheikh | 2021/03/19 07:00 | Momoko Kobori v Sakura Hosogi | 3-6,4-6 |
| ITF W15 Warmbad-Villach | 2021/08/17 07:30 | Jennifer Ruggeri v Diana Martynov | 6-3,7-5 |
| ITF W15 Warmbad-Villach | 2021/08/16 12:30 | Sophie Greiner v Diana Martynov | 1-6,5-7 |
| ITF W15 Warmbad-Villach | 2021/08/15 07:00 | Lea Erenda v Diana Martynov | 1-6,1-6 |
| ITF W15 Bratislava | 2021/08/11 12:45 | Darja Semenistaja v Diana Martynov | 6-4,6-3 |
| ITF W15 Bratislava | 2021/08/10 08:00 | Tina Cvetkovic v Diana Martynov | 3-6,7-6,8-10 |
| ITF W15 Bratislava | 2021/08/09 08:00 | Ivana Kopsova v Diana Martynov | 2-6,1-6 |
| ITF W15 Knokke | 2021/07/28 08:00 | Katharina Hering v Diana Martynov | 6-3,6-3 |
| ITF W60 Biarritz | 2021/07/12 15:50 | Magali Kempen v Diana Martynov | 6-1,4-6,10-5 |