Estádio: Court 5 Round: 25 Ground: Clay
| ITF - W15 Antália | 2021/06/08 07:00 | Ivania Martinich v Klara Ondrejcekova | 6-0,6-0 |
| ITF - W15 Banja Luka | 2021/06/03 09:30 | Anika Jaskova v Ivania Martinich | 6-4,1-6,6-1 |
| ITF - W15 Banja Luka | 2021/06/02 10:50 | Ivania Martinich v Doroteja Petrovic | 6-0,6-1 |
| ITF - W15 Šibenik | 2021/05/24 14:05 | Ivania Martinich v Adela Moravcova | 0-6,3-6 |
| ITF - W15 Šibenik | 2021/05/23 12:00 | Ivania Martinich v Ana Mukic | 6-3,6-0 |
| ITF - W15 Šibenik | 2021/05/16 10:00 | Lucia Pinkova v Ivania Martinich | 6-1,6-3 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/05/02 08:30 | Mara Gae v Ivania Martinich | 4-6,1-6 |
| UTR Pro Tennis Series - Bucareste - Feminino | 2021/05/01 09:00 | Silvia Maria Costache v Ivania Martinich | 0-6,0-6 |
| ITF - W15 Antália | 2021/06/03 07:30 | Federica Bilardo v Lyubov Kostenko | 7-5,6-2 |
| ITF - W15 Antália | 2021/06/02 08:25 | Lyubov Kostenko v Taylor Ng | 6-4,6-2 |
| ITF - W15 Sharm El Sheikh | 2021/04/07 07:00 | Lyubov Kostenko v Andre Lukosiute | 2-6,4-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/31 14:20 | Anastasia Sukhotina v Lyubov Kostenko | 6-4,6-1 |
| ITF - W15 Sharm El Sheikh | 2021/03/30 08:15 | Andre Lukosiute v Lyubov Kostenko | 0-6,3-6 |
| ITF - W15 Sharm El Sheikh | 2021/03/29 10:00 | Haine Ogata v Lyubov Kostenko | 4-6,6-7 |
| ITF - W15 Sharm El Sheikh | 2021/03/28 09:30 | Amira Badawi v Lyubov Kostenko | 3-6,6-3,9-11 |
| ITF - W15 Sharm El Sheikh | 2021/03/22 09:00 | Olga Helmi v Lyubov Kostenko | 6-1,6-4 |