Stadium: Court 6 Round: 25 Ground: Hardcourt outdoor
| ITF W25 Budapest | 2021/09/26 07:00 | Emily Seibold v Fanny Ostlund | 7-5,3-6,13-11 |
| ITF W25 Telavi | 2021/07/12 09:40 | Ekaterina Vl. Makarova v Fanny Ostlund | 2-6,6-2,6-0 |
| WTA Bastad | 2021/07/06 08:30 | Fanny Ostlund v Anna Kalinskaya | 2-6,6-2,4-6 |
| ITF W15 Antalya | 2021/06/23 10:05 | Fanny Ostlund v Ivania Martinich | 6-2,3-6,6-4 |
| ITF W25 Jonkoping | 2021/06/17 12:50 | Darya Astakhova v Fanny Ostlund | 6-3,6-4 |
| ITF W25 Jonkoping | 2021/06/16 10:15 | Fanny Ostlund v Federica Di Sarra | 6-4,4-6,6-3 |
| ITF W25 Jonkoping | 2021/06/15 13:00 | Fanny Ostlund v Elena Malygina | 7-6,1-6,6-4 |
| ITF W25 Liepaja | 2021/05/26 11:45 | Daniela Vismane v Fanny Ostlund | 6-0,6-0 |
| ITF W15 Monastir | 2021/10/06 08:30 | Tess Sugnaux v Milana Zhabrailova | 6-2,6-7,6-4 |
| ITF W15 Monastir | 2021/10/05 11:00 | Milana Zhabrailova v Lara Pfeifer | 6-3,7-6 |
| ITF W15 Monastir | 2021/10/04 11:30 | Milana Zhabrailova v Sonia Cassani | 6-3,6-4 |
| ITF W15 Monastir | 2021/09/29 14:30 | Honoka Kobayashi v Milana Zhabrailova | 6-4,4-6,6-4 |
| ITF W15 Monastir | 2021/09/28 09:00 | Milana Zhabrailova v Lara Pfeifer | 6-3,6-4 |
| ITF W15 Monastir | 2021/09/27 13:30 | Milana Zhabrailova v Sharrmadaa Baluu | 6-4,6-3 |
| ITF W15 Monastir | 2021/09/20 13:00 | Mia Mack v Milana Zhabrailova | 6-7,6-3,10-7 |
| ITF W15 Monastir | 2021/09/14 09:00 | Milana Zhabrailova v Sahaja Yamalapalli | 3-6,3-6 |