Stadium: EXTREMADURA Round: 44 Ground: Synthetic outdoor
| ITF W15 Don Benito | 2021/07/20 11:05 | Tamara Kostic v Claudia Martinez de Velasco | 6-2,6-3 |
| ITF W15 Don Benito | 2022/07/11 16:00 | Tamara Kostic v Adegoke, Sarah | 6-2,6-1 |
| ITF W15 Catez Ob Savi | 2022/05/31 07:50 | Laia Petretic v Tamara Kostic | 6-1,6-4 |
| ITF W25 Warmbad-Villach | 2022/05/18 11:00 | Dominika Salkova v Tamara Kostic | 6-1,6-2 |
| ITF W25 Antalya | 2022/04/05 07:00 | Rina Saigo v Tamara Kostic | 7-5,6-4 |
| ITF W25 Antalya | 2022/04/04 07:00 | Tamara Kostic v Rajkovic, Adriana | 4-6,6-4,10-8 |
| ITF W25 Antalya | 2022/04/03 07:00 | Selina Atay v Tamara Kostic | 3-6,0-6 |
| ITF - W15 Sharm El Sheikh | 2021/10/11 08:00 | Duca, Gabriela v Tamara Kostic | 1-6,6-4,10-8 |
| ITF - W15 Sharm El Sheikh | 2021/10/08 08:00 | Tamara Kostic v Ruppert, Lena | 6-3,4-6,0-6 |
| ITF W15 Don Benito | 2022/07/11 16:00 | Claudia Martinez de Velasco v Arina Arifullina | 6-3,6-4 |
| ITF W60 Madrid | 2022/06/12 10:00 | Marine Szostak v Claudia Martinez de Velasco | 6-1,6-0 |
| ITF W25 Madrid | 2022/06/06 07:30 | Claudia Martinez de Velasco v Dariia Monakhova | 2-6,1-6 |
| ITF W25 Madrid | 2022/06/05 12:00 | Coral Valle v Claudia Martinez de Velasco | 6-7,4-6 |
| ITF W15 Palmanova | 2022/03/21 08:30 | Maileen Nuudi v Claudia Martinez de Velasco | 6-1,6-0 |
| ITF W15 Palmanova | 2022/03/20 08:30 | Vinahradava, Hanna v Claudia Martinez de Velasco | 2-6,5-7 |
| ITF W15 Palmanova | 2022/03/13 08:00 | Claudia Martinez de Velasco v Margaux Komano | 7-6,5-7,3-10 |
| ITF W15 Melilla | 2021/09/17 10:40 | Claudia Martinez de Velasco v Yeon Woo Ku | 1-6,0-6 |