Stadium: Court 6 Round: 54 Ground: Clay
| ITF W15 Frederiksberg | 2021/08/01 13:00 | Nicole Khirin v Karoline Laursen | 6-4,6-4 |
| ITF W15 Vejle | 2021/07/27 10:00 | Maelys Bougrat v Nicole Khirin | 6-4,4-6,6-2 |
| ITF W25 Telavi | 2021/07/12 08:05 | Funa Kozaki v Nicole Khirin | 3-6,6-1,8-10 |
| ITF W25 Telavi | 2021/07/11 07:15 | Yara Alhaqbani v Nicole Khirin | 4-6,1-6 |
| ITF W15 Heraklion | 2021/06/09 08:25 | Michaela Bayerlova v Nicole Khirin | 3-6,6-2,6-3 |
| ITF W15 Heraklion | 2021/06/02 06:30 | Nicole Khirin v Tamara Malesevic | 0-6,6-7 |
| ITF W15 Jerusalem | 2021/05/14 07:00 | Valentina Ryser v Nicole Khirin | 7-6,5-7,6-4 |
| ITF W15 Jerusalem | 2021/05/13 07:00 | Nicole Khirin v Maria Sholokhova | 5-7,6-3,6-3 |
| ITF W15 Savitaipale | 2021/07/29 11:00 | Antonia Schmidt v Emily Seibold | 4-6,3-6 |
| ITF W15 Savitaipale | 2021/07/28 14:45 | Antonia Schmidt v Stella Remander | 6-4,6-2 |
| ITF W15 Heraklion | 2021/06/08 08:00 | Ivana Sebestova v Antonia Schmidt | 6-4,6-4 |
| ITF W15 Heraklion | 2021/06/07 07:30 | Tanit Lopez Lopez v Antonia Schmidt | 0-6,0-6 |
| ITF W15 Heraklion | 2021/06/02 10:35 | Maria Jose Portillo Ramirez v Antonia Schmidt | 6-2,6-3 |
| ITF W15 Heraklion | 2021/06/01 06:30 | Karen Marthiens v Antonia Schmidt | 1-6,3-6 |
| ITF W15 Heraklion | 2021/05/27 08:00 | Antonia Schmidt v Julia Kimmelmann | 7-6,5-7,3-6 |
| ITF W15 Heraklion | 2021/05/26 11:05 | Helena Stevic v Antonia Schmidt | 2-6,6-2,0-6 |