Stadium: Court 2 Round: 45 Ground: Clay
| 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 Custic, Marta | 3-6,1-6 |
| ITF - W15 Antalya | 2021/02/12 12:15 | Mei Yamaguchi v Jessie Aney | 6-3,6-1 |
| ITF - W15 Antalya | 2021/02/09 12:30 | Arshinkova, Petia v Mei Yamaguchi | 4-6,4-6 |
| ITF - W15 Antalya | 2021/02/03 07:00 | Babel, Oceane v Mei Yamaguchi | 6-3,2-6,6-1 |
| ITF - W15 Antalya | 2021/01/30 10:00 | Mei Yamaguchi v Ingrid Gamarra Martins | 4-6,4-6 |
| ITF W25 Porto | 2021/06/20 13:30 | Baptista, Joana v Milla Sequeira | 6-2,6-4 |
| ITF W25 Figueira Da Foz | 2021/06/13 12:30 | Milla Sequeira v Rebeca Pereira | 2-6,2-6 |
| ITF W25 Montemor-O-Novo | 2021/06/06 10:30 | Milla Sequeira v Kempster, Sashi | 1-6,0-6 |
| ITF W15 Lousada | 2020/11/01 13:00 | Milla Sequeira v Diana Martynov | 0-6,4-6 |
| ITF W15 Lousada | 2020/10/25 13:00 | Milla Sequeira v Diana Martynov | 1-6,2-6 |
| ITF W15 Santarem | 2020/09/14 13:00 | Celia Cervino Ruiz v Milla Sequeira | 6-0,6-3 |