Stadium: Court 6 Round: 62 Ground: Hardcourt outdoor
| German Championship - nők | 2021/12/08 15:00 | Anna Gabric v Julia Middendorf | 7-6,5-4 |
| German Championship - nők | 2021/12/06 17:00 | Mia Mack v Julia Middendorf | 5-7,1-6 |
| ITF W15 Monastir | 2021/11/07 08:30 | Yexin Ma v Julia Middendorf | 6-4,6-2 |
| ITF W15 Monastir | 2021/11/06 08:30 | Julia Middendorf v Rebeka Stolmar | 6-4,1-6,7-5 |
| ITF W15 Monastir | 2021/11/05 08:30 | Julia Middendorf v Mia Mack | 4-6,6-1,6-3 |
| ITF W15 Monastir | 2021/11/04 10:10 | Julia Middendorf v Nicole Gadient | 4-6,6-3,6-1 |
| ITF W15 Monastir | 2021/11/03 09:55 | Julia Middendorf v Natalia Orlova | 6-4,6-4 |
| ITF W25 Hamburg | 2021/10/21 11:30 | Kathinka Von Deichmann v Julia Middendorf | 6-2,6-7,6-2 |
| ITF W25 Manacor | 2022/01/18 09:00 | Yana Sizikova v Anastasia Detiuc | 6-2,6-7,6-10 |
| ITF W25 Manacor | 2022/01/17 11:00 | Yana Sizikova v Klara Ondrejcekova | 6-0,6-2 |
| ITF W25 Manacor | 2022/01/16 09:00 | Amanda Carreras v Yana Sizikova | 6-2,2-6,10-12 |
| WTA Nur-Sultan | 2021/09/25 11:30 | Lucia Bronzetti v Yana Sizikova | 6-2,6-4 |
| ITF W60 Prague | 2021/08/31 08:00 | Yana Sizikova v Alexandra Bozovic | 6-1,2-6,12-14 |
| ITF W60 Prague | 2021/08/30 08:00 | Sina Herrmann v Yana Sizikova | 1-6,1-6 |
| ITF W60 Prague | 2021/08/29 11:00 | Nelly Knezkova v Yana Sizikova | 1-6,0-6 |
| WTA Saint-Malo | 2021/05/02 12:15 | Yana Sizikova v Tessah Andrianjafitrimo | 6-4,0-6,5-7 |