Stadium: Court 6 Round: 26 Ground: Clay
| ITF W60 Las Vegas | 2021/10/04 20:00 | Marcela Zacarias v Maria Kononova | 6-1,6-3 |
| UTR Pro Tennis Series Dallas Women | 2021/09/17 15:30 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |
| UTR Pro Tennis Series Dallas Women | 2021/07/10 13:00 | Marcela Zacarias v Maria Kononova | 6-0,6-1 |
| UTR Pro Tennis Series Nevada Women | 2021/05/28 15:00 | Maria Kononova v Marcela Zacarias | 0-6,2-6 |