Stadium: Court 5 Round: 62 Ground: Clay
| ITF W60 Prague | 2021/08/30 08:00 | Sina Herrmann v Sizikova, Yana | 1-6,1-6 |
| ITF W60 Prague | 2021/08/29 11:00 | Nelly Knezkova v Sizikova, Yana | 1-6,0-6 |
| WTA - Saint-Malo | 2021/05/02 12:15 | Sizikova, Yana v Tessah Andrianjafitrimo | 6-4,0-6,5-7 |
| WTA - Bogota | 2021/04/03 18:20 | Sizikova, Yana v Harmony Tan | 1-6,6-4,4-6 |
| WTA - Abu Dhabi | 2021/01/05 07:35 | Anna Bondar v Sizikova, Yana | 6-0,6-1 |
| ITF W25 Kazan | 2020/01/21 07:00 | Sizikova, Yana v Manilova, Maria | 6-4,2-6,5-10 |
| ITF W25 Kazan | 2020/01/20 11:25 | Sizikova, Yana v Mikhaylova, Maria | 6-1,6-4 |
| Taipei, Taipei Chinois | 2019/11/11 04:35 | Emily Webley-Smith v Sizikova, Yana | 6-2,6-2 |
| ITF W60 Prague | 2021/08/30 09:20 | Kanako Morisaki v Alexandra Bozovic | 3-6,5-7 |
| ITF W60 Prerov | 2021/08/24 07:50 | Mihalikova, Tereza v Alexandra Bozovic | 7-5,1-6,11-9 |
| ITF W60 Prerov | 2021/08/23 08:00 | Aneta Laboutkova v Alexandra Bozovic | 3-6,4-6 |
| ITF W60 Prerov | 2021/08/22 08:00 | Hrabalova, Kristyna v Alexandra Bozovic | 4-6,1-6 |
| UTR Pro Tennis Series Brisbane Women | 2021/07/30 02:00 | Alexandra Bozovic v Juliette Robinson | 6-0,6-0 |
| UTR Pro Tennis Series Brisbane Women | 2021/07/28 23:00 | Alexandra Bozovic v Stefani Webb | 6-1,6-1 |
| UTR Pro Tennis Series Brisbane Women | 2021/07/27 00:30 | Bajagic, Tamara v Alexandra Bozovic | 1-6,3-6 |
| UTR Pro Tennis Series Brisbane Women | 2021/07/25 01:00 | Alexandra Bozovic v Annerly Georgopoulos | 6-2,5-3 |