Stadium: Court 5 Round: 62 Ground: Clay
| UTR Pro Tennis Series Ricany Women | 2021/07/01 08:00 | Safarova, Zdena v Nelly Knezkova | 6-4,6-3 |
| UTR Pro Tennis Series Ricany Women | 2021/06/29 13:30 | Oleksandra Oliynykova v Nelly Knezkova | 6-2,0-6,5-4 |
| UTR Pro Tennis Series Ricany Women | 2021/06/28 11:47 | Nelly Knezkova v Denisa Pospisilova | 6-0,5-1 |
| UTR Pro Tennis Series Ricany Women | 2021/06/26 10:00 | Nelly Knezkova v Kareisova, Ludmila | 5-7,1-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/24 08:00 | Kubanova, Karolina v Nelly Knezkova | 3-4 |
| UTR Pro Tennis Series Ricany Women | 2021/06/23 09:30 | Richterova, Sarka v Nelly Knezkova | 6-4,6-5 |
| UTR Pro Tennis Series Ricany Women | 2021/06/21 11:00 | Vlkovska, Veronika v Nelly Knezkova | 7-5,5-2 |
| ITF W15 Sibenik | 2021/05/25 09:40 | Mina Hodzic v Nelly Knezkova | 6-3,5-7,10-3 |
| 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 |
| Taipei, Taipei Chinois | 2019/11/10 04:20 | Riley, Alexandra v Sizikova, Yana | 4-6,2-6 |
| St. Etienne, Singles W-ITF-FRA-28A | 2019/11/05 10:15 | Ferrando, Cristiana v Sizikova, Yana | 7-5,6-2 |