Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF W15 Almada | 2021/07/13 11:30 | Leonor Oliveira v Laure Line Glaude | 7-5,6-1 |
| ITF W25 Lissabon | 2021/07/04 14:55 | Leonor Oliveira v Georgia Drummy | 2-6,0-6 |
| ITF W15 Lousada | 2019/10/27 16:00 | Leonor Oliveira v Andre Lukosiute | 2-6,1-6 |
| ITF W15 Lousada | 2019/10/22 11:10 | Leonor Oliveira v Ines Murta | 2-6,6-4,2-6 |
| ITF W15 Santarém | 2019/10/01 12:00 | Leonor Oliveira v Ines Murta | 1-6,2-6 |
| ITF W25 Corroios-Seixal | 2019/07/02 11:00 | Leonor Oliveira v Jacqueline Cabaj Awad | 1-6,1-6 |
| ITF W15 Amarante | 2019/06/11 11:30 | Leonor Oliveira v Alba Carrillo Marin | 6-3,4-6,4-6 |
| ITF W15 Montemor-O-Novo | 2019/05/29 15:00 | Alba Carrillo Marin v Leonor Oliveira | 6-0,6-0 |
| ITF W15 Almada | 2021/07/13 08:30 | Oceane Babel v Mei Yamaguchi | 3-6,2-6 |
| ITF W25 Lissabon | 2021/07/06 14:45 | Mei Yamaguchi v Lulu Sun | 7-6,3-6,1-6 |
| ITF W25 Lissabon | 2021/07/05 08:30 | Mei Yamaguchi v Julita Saner | 6-1,6-0 |
| ITF W25 Lissabon | 2021/07/04 11:00 | Mei Yamaguchi v Milla Sequeira | 6-0,6-2 |
| ITF W25 The Hague | 2021/06/28 08:00 | Joanna Garland v Mei Yamaguchi | 6-0,6-2 |
| ITF W25 The Hague | 2021/06/27 08:00 | Lian Tran v Mei Yamaguchi | 5-7,3-6 |
| ITF W15 Alkmaar | 2021/06/23 12:10 | Mei Yamaguchi v Alana Parnaby | 6-3,1-6,4-6 |
| ITF W15 Antalya | 2021/02/13 07:00 | Mei Yamaguchi v Marta Custic | 3-6,1-6 |