Stadium: Court 1 Round: 54 Ground: Clay
| ITF W15 Monastir | 2021/12/22 13:00 | Pia Praefke v Natalia Orlova | 6-3,6-1 |
| ITF W15 Monastir | 2021/11/03 09:55 | Julia Middendorf v Natalia Orlova | 6-4,6-4 |
| ITF W15 Monastir | 2021/10/27 13:45 | Natalia Orlova v Bhuvana Kalva | 6-3,6-4 |
| ITF W15 Monastir | 2021/10/06 11:40 | Natalia Orlova v Chiraz Bechri | 0-6,2-6 |
| ITF W15 Monastir | 2021/09/29 13:00 | Yexin Ma v Natalia Orlova | 6-2,6-0 |
| ITF W15 Monastir | 2021/06/23 10:35 | Natalia Orlova v Gozal Ainitdinova | 3-6,2-6 |
| ITF W15 Monastir | 2021/06/16 12:45 | Sophia Biolay v Natalia Orlova | 6-7,6-2,6-3 |
| ITF W15 Monastir | 2021/05/02 13:00 | Olivia Gram v Natalia Orlova | 7-5,6-2 |
| ITF W25 Ortisei | 2021/11/21 16:35 | Katerina Tsygourova v Jessie Aney | 1-6,2-6 |
| ITF W15 Solarino | 2021/11/19 10:00 | Katerina Tsygourova v Katarina Kuzmova | 4-6,2-6 |
| 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 |