Stadium: Court 6 Round: 54 Ground: Clay
| ITF W15 Vejle | 2021/07/25 07:00 | Lucie Petruzelova v Julia Victoria Rennert | 2-6,1-6 |
| ITF W25 Les Contamines | 2021/07/21 09:00 | Elysia Bolton v Lucie Petruzelova | 6-4,6-1 |
| ITF W25 Les Contamines | 2021/07/18 09:55 | Lucie Petruzelova v Julie Aubert | 6-2,6-1 |
| ITF W15 Almada | 2021/07/12 10:30 | Lucie Petruzelova v Alexa Graham | 4-6,2-6 |
| ITF W15 Almada | 2021/07/11 09:30 | Lucie Petruzelova v Matilde Morais | 6-4,6-3 |
| ITF W15 Prokuplje | 2021/07/05 08:30 | Lucie Petruzelova v Kajsa Rinaldo Persson | 1-6,0-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/26 08:46 | Lucie Petruzelova v Alexandra Silna | 3-6,5-6 |
| UTR Pro Tennis Series Ricany Women | 2021/06/25 13:00 | Chantal Skamlova v Lucie Petruzelova | 6-2,5-3 |