Stadium: Court 4 Round: 26 Ground: Synthetic outdoor
| ITF W15 Solarino | 2021/11/16 07:30 | Karolina Vlckova v Katerina Tsygourova | 7-6,4-6,3-6 |
| ITF W25 Solarino Qual | 2021/11/08 08:00 | Katerina Tsygourova v Asia Serafini | 3-6,5-7 |
| ITF W25 Solarino Qual | 2021/11/07 10:30 | Katerina Tsygourova v Martina Lo Pumo | 6-0,6-1 |
| ITF W15 Dijon | 2021/09/12 08:00 | Luisina Giovannini v Katerina Tsygourova | 4-6,7-5,10-8 |
| ITF W60 Montreux | 2021/09/06 10:35 | Malene Helgo v Katerina Tsygourova | 6-3,6-2 |
| ITF W25 Trieste | 2021/08/30 14:00 | Nika Radisic v Katerina Tsygourova | 6-1,6-1 |
| ITF W25 Verbier | 2021/08/22 10:00 | Caroline Romeo v Katerina Tsygourova | 3-6,6-1,10-8 |
| ITF W15 Cordenons | 2021/07/26 07:00 | Andrea A Farulla Di Palma v Katerina Tsygourova | 6-2,6-2 |
| ITF W15 Solarino | 2021/11/18 07:25 | Sevil Yuldasheva v Katarina Kuzmova | 0-6,2-6 |
| ITF W15 Solarino | 2021/11/14 09:00 | Katarina Kuzmova v Petra Csabi | 6-1,6-1 |
| ITF W15 Solarino | 2021/11/13 09:00 | Bojana Klincov v Katarina Kuzmova | 3-6,6-3,4-6 |
| ITF W15 Solarino | 2021/11/12 08:00 | Eleonora Alvisi v Katarina Kuzmova | 6-7,3-6 |
| ITF W15 Solarino | 2021/11/11 10:25 | Asia Serafini v Katarina Kuzmova | 1-6,6-7 |
| ITF W15 Solarino | 2021/11/09 08:40 | Giorgia Pedone v Katarina Kuzmova | 5-7,6-4,0-6 |
| ITF W15 Sharm El Sheikh | 2021/10/13 12:30 | Jasmine Conway v Katarina Kuzmova | 7-6,5-7,6-3 |
| ITF W15 Sharm El Sheikh | 2021/10/06 09:10 | Katarina Kuzmova v Xin Tong Wang | 4-6,6-2,6-7 |