Stadium: Court 3 Round: 27 Ground: Clay
| ITF W15 Vejle | 2021/07/29 08:00 | Sohyun Park v Maelys Bougrat | 6-0,6-3 |
| ITF W15 Vejle | 2021/07/28 12:55 | Sohyun Park v Fiona Codino | 6-0,6-3 |
| ITF W25 Telavi | 2021/07/22 11:45 | Kyoka Okamura v Sohyun Park | 6-2,6-4 |
| ITF W25 Telavi | 2021/07/15 06:00 | Suzan Lamens v Sohyun Park | 6-2,7-6 |
| ITF W25 Telavi | 2021/07/14 12:55 | Kimchi, Shavit v Sohyun Park | 3-6,5-7 |
| ITF W25 Oeiras | 2021/04/27 09:55 | Sohyun Park v Weronika Falkowska | 3-6,2-6 |
| ITF W15 Cairo | 2021/04/15 11:00 | Eri Shimizu v Sohyun Park | 6-7,6-4,7-6 |
| ITF W15 Cairo | 2021/04/14 19:15 | Silvia Ambrosio v Sohyun Park | 1-6,5-7 |
| ITF W15 Vejle | 2021/07/29 08:00 | Ruppert, Lena v Ani Vangelova | 6-0,6-4 |
| ITF W15 Vejle | 2021/07/28 08:00 | Ingrid Vojcinakova v Ruppert, Lena | 1-6,6-1,4-6 |
| ITF W15 Vejle | 2021/07/26 10:00 | Ruppert, Lena v Dimitra Tsatsa | 6-3,6-1 |
| ITF W25 Kyiv | 2021/07/21 10:35 | Ruppert, Lena v Anastasiya Konstantinovna Soboleva | 6-3,3-6,2-6 |
| ITF W25 Kyiv | 2021/07/20 08:00 | Ruppert, Lena v Bergen, Mariia | 7-6,6-2 |
| ITF - W15 Antalya | 2021/04/20 07:00 | Ekaterina Shalimova v Ruppert, Lena | 6-3,1-6,10-5 |
| ITF - W15 Antalya | 2021/04/19 07:00 | Aksu, Semra v Ruppert, Lena | 1-6,2-6 |
| ITF - W15 Antalya | 2021/04/18 07:00 | Noka Juric v Ruppert, Lena | 2-6,2-6 |