Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF W25 - Grado | 2021/06/01 18:00 | Federica Rossi v Dalila Spiteri | 1-6,3-6 |
| ITF W25 - Grado | 2021/05/31 09:30 | Nuria Brancaccio v Federica Rossi | 6-2,6-3 |
| ITF W15 - Sibenik | 2021/05/26 08:00 | Federica Rossi v Verena Meliss | 4-6,4-6 |
| ITF W15 - Sibenik | 2021/05/25 08:00 | Federica Rossi v Sabrina Rittberger | 6-3,6-0 |
| ITF W15 - Sibenik | 2021/05/24 08:00 | Federica Rossi v Lucia Pinkova | 6-1,6-0 |
| ITF W15 - Sibenik | 2021/05/21 09:20 | Federica Rossi v Leolia Jeanjean | 2-6,1-6 |
| ITF W15 - Sibenik | 2021/05/20 13:15 | Gergana Topalova v Federica Rossi | 3-6,2-6 |
| ITF W15 - Sibenik | 2021/05/19 15:30 | Maria Marfutina v Federica Rossi | 3-6,2-6 |
| ITF W25 - Madrid | 2021/06/13 10:00 | Marta Custic v Lucia L Domingo | 6-0,3-6,4-10 |
| ITF W25 - Platja D’Aro | 2021/05/16 10:00 | Marta Custic v Melanie Stokke | 2-6,2-6 |
| ITF W60 - La Bisbal | 2021/05/13 12:05 | Marina Bassols Ribera v Marta Custic | 6-3,6-4 |
| ITF W60 - La Bisbal | 2021/05/12 10:10 | Marta Custic v Ysaline Bonaventure | 0-6,7-6,6-2 |
| WTA - Madrid | 2021/04/27 10:20 | Danka Kovinic v Marta Custic | 6-3,6-2 |
| ITF W15 - Manacor | 2021/03/10 12:00 | Marta Custic v Margot Yerolymos | 6-3,2-6,3-6 |
| ITF W25 - Manacor | 2021/02/28 11:00 | Marta Custic v Oksana Selekhmeteva | 6-7,2-6 |
| ITF W15 - Antalya | 2021/02/18 14:05 | Marta Custic v Cristina Dinu | 3-6,6-3,2-6 |