| Giraldilla Int. - Mixed dubbel | 2018/05/17 23:00 | Rafaela M Solimano v Ines M Rosell | L | 0-2 |
| Portugal Int. - Damer - Kval | 2023/03/09 14:40 | Azkya A. Ruhanda v Mariana Paiva | L | 2-0 |
| Luxembourg Open - Damer - Kval | 2022/05/05 15:40 | Chloe Mayer v Mariana Paiva | L | 2-0 |
| Portugal Int. - Damer - Kval | 2022/03/10 12:30 | Mariana Paiva v Estelle Van Leeuwen | L | 0-2 |
| Estonian Int. - Kval - Damer | 2022/01/13 18:30 | Mariana Paiva v Mohd Khairul Myisha | L | 0-2 |
| Estonian Int. - Kval - Damer | 2022/01/13 16:10 | Varvara Frolova v Mariana Paiva | W | 1-2 |
| Bulgarien - Int. - Damer - Kval | 2021/10/07 13:05 | Judith Mair v Mariana Paiva | L | 2-0 |
| Portuguese Int. Women | 2020/11/06 11:55 | Mariana Paiva v Rachel Sugden | L | 0-2 |