Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| ITF W60 - Las Vegas | 2021/10/07 19:45 | Marcela Zacarias v Erica Oosterhout | 6-1,6-1 |
| ITF W60 - Las Vegas | 2021/10/06 17:00 | Shir Azran v Erica Oosterhout | 1-6,3-6 |
| ITF W60 - Las Vegas | 2021/10/04 17:55 | Erica Oosterhout v Elena Ecker | 6-0,6-0 |
| ITF W25 - Fort Worth | 2021/09/20 14:00 | Chanelle Van Nguyen v Erica Oosterhout | 6-4,6-3 |
| ITF W60 San Bartolome De Tirajana | 2021/08/16 08:30 | Sohyun Park v Erica Oosterhout | 7-6,6-1 |
| ITF W60 San Bartolome De Tirajana - Kval | 2021/08/15 10:20 | Erica Oosterhout v Valeria Koussenkova | 6-1,6-1 |
| ITF W60 San Bartolome De Tirajana | 2021/08/08 10:00 | Erica Oosterhout v Dia Evtimova | 6-3,3-6,10-12 |
| ITF W25 - Bydgoszcz | 2021/08/01 08:00 | Laura Radakovic v Erica Oosterhout | 0-6,6-3,10-5 |
| ITF W60 - Las Vegas | 2021/10/07 16:55 | Chanelle Van Nguyen v Tereza Mihalikova | 6-4,6-3 |
| ITF W60 - Las Vegas | 2021/10/05 21:05 | Molly Helgesson v Tereza Mihalikova | 3-6,3-6 |
| ITF W25 - Wien | 2021/08/31 13:25 | Tena Lukas v Tereza Mihalikova | 6-2,6-7,7-5 |
| ITF W25 - Wien | 2021/08/30 11:45 | Tereza Mihalikova v Dia Evtimova | 6-2,5-7,4-10 |
| ITF W25 - Wien | 2021/08/29 14:00 | Tereza Mihalikova v Ivana Kopsova | 6-0,6-2 |
| ITF W25 - Wien | 2021/08/29 07:30 | Tereza Mihalikova v Emilie Elde | 6-2,6-1 |
| ITF W60 - Prerov | 2021/08/25 08:00 | Daniela Vismane v Tereza Mihalikova | 6-3,6-2 |
| ITF W60 - Prerov | 2021/08/24 07:50 | Tereza Mihalikova v Alexandra Bozovic | 7-5,1-6,11-9 |