Stadium: Court 2 Round: 25 Ground: Clay
| ITF W25 Lisbon | 2021/07/05 08:30 | Olga Helmi v Ines Oliveira | 6-1,6-1 |
| 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 W25 Palma del Rio | 2021/07/01 19:10 | Na-Lae Han v Olga Saez Larra | 4-6,3-6 |
| ITF W25 Palma del Rio | 2021/06/30 17:00 | Na-Lae Han v Freya Christie | 6-1,7-5 |
| Wimbledon Women | 2021/06/22 17:30 | Vitalia Diatchenko v Na-Lae Han | 6-4,6-4 |
| ITF W25 Madrid | 2021/06/18 08:00 | Na-Lae Han v Andrea Lazaro Garcia | 6-4,2-6,1-6 |
| ITF W25 Madrid | 2021/06/17 16:10 | Na-Lae Han v Shuyue Ma | 6-1,6-2 |
| ITF W25 Madrid | 2021/06/16 08:00 | Na-Lae Han v Alexandra Osborne | 6-4,6-0 |
| ITF W25 Madrid | 2021/06/11 07:15 | Na-Lae Han v Olivia Gadecki | 2-6,2-6 |
| ITF W25 Madrid | 2021/06/10 08:50 | Na-Lae Han v Olga Saez Larra | 7-6,6-4 |