Stadium: Court 1 Round: 45 Ground: Clay
| ITF W25 Lisbon | 2021/07/04 08:30 | Olga Helmi v Sashi Kempster | 6-0,6-0 |
| ITF W25 Porto | 2021/06/25 09:30 | Arianne Hartono v Olga Helmi | 6-0,4-6,6-2 |
| ITF W25 Porto | 2021/06/24 12:35 | Olga Helmi v Yuriko Lily Miyazaki | 6-4,6-3 |
| ITF W25 Porto | 2021/06/23 09:30 | Olga Helmi v Risa Ushijima | 6-0,6-1 |
| ITF W25 Porto | 2021/06/22 10:25 | Melanie Stokke v Olga Helmi | 3-6,1-6 |
| ITF W25 Porto | 2021/06/21 18:00 | Olga Parres Azcoitia v Olga Helmi | 0-6,5-7 |
| ITF W25 Porto | 2021/06/20 12:00 | Barbara Balancho v Olga Helmi | 0-6,0-6 |
| ITF W15 Monastir | 2021/05/23 08:30 | Ayumi Koshiishi v Olga Helmi | 3-6,2-6 |
| ITF W25 Lisbon | 2021/07/04 08:30 | Alexandra Silva v Ines Oliveira | 6-2,1-6,9-11 |
| ITF W25 Porto | 2021/06/20 13:30 | Ines Oliveira v Sabine Rutlauka | 1-6,1-6 |
| ITF W25 Montemor-O-Novo | 2021/06/07 09:00 | Olivia Tjandramulia v Ines Oliveira | 6-2,6-2 |
| ITF W25 Montemor-O-Novo | 2021/06/06 13:30 | Beatriz P D Da Costa v Ines Oliveira | 3-6,2-6 |
| ITF W25 Oeiras | 2021/04/18 09:00 | Sofia Shapatava v Ines Oliveira | 6-1,6-1 |
| ITF W60 Oeiras | 2021/04/11 13:15 | Paula Ormaechea v Ines Oliveira | 6-0,6-0 |
| ITF W15 Oeiras | 2020/08/17 10:00 | Celia Cervino Ruiz v Ines Oliveira | 6-1,6-2 |
| ITF W15 Oeiras | 2020/08/16 11:30 | Ines Oliveira v Sofia Pinto | 6-7,6-1,10-8 |