Stadium: Court 6 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Jakarta | 2019/06/17 06:00 | Mio Kozaki v Fadona T. Kusumawati | 6-1,6-1 |
| ITF W15 Tabarka | 2019/05/21 11:20 | Mio Kozaki v Noelia Bouzo Zanotti | 3-6,1-6 |
| ITF W15 Tabarka | 2019/05/16 08:30 | Emmanuelle Girard v Mio Kozaki | 6-0,6-2 |
| ITF W15 Tabarka | 2019/05/15 11:40 | Daria Solovyeva v Mio Kozaki | 2-6,3-6 |
| ITF W15 Tabarka | 2019/05/07 08:30 | Mio Kozaki v Susan Doldan | 6-7,1-6 |
| ITF W15 Tabarka | 2019/05/06 08:30 | Mio Kozaki v Francesca Covi | 6-0,6-4 |
| ITF W25 Osaka | 2019/04/09 04:20 | Mio Kozaki v Daria Snigur | 0-6,2-6 |
| ITF W25 Kofu | 2019/03/27 03:20 | Mio Kozaki v Mayo Hibi | 0-6,0-6 |
| ITF W25 Jakarta | 2019/06/17 06:55 | Putri S Insani v Robu Kajitani | 1-6,6-2,10-2 |