Stadium: Court 6 Round: 27 Ground: Hardcourt outdoor
| ITF W25 Montpellier | 2019/06/17 08:00 | Amandine Cazeaux v Natsumi Kawaguchi | 6-3,6-2 |
| ITF W15 Kaltenkirchen | 2019/06/14 13:10 | Clara Tauson v Natsumi Kawaguchi | 6-7,6-4,6-2 |
| ITF W15 Kaltenkirchen | 2019/06/13 09:30 | Natsumi Kawaguchi v Oana Georgeta Simion | 6-4,6-4 |
| ITF W15 Kaltenkirchen | 2019/06/12 08:30 | Lara Schmidt v Natsumi Kawaguchi | 5-7,5-7 |
| ITF W15 Kaltenkirchen | 2019/06/11 14:55 | Natsumi Kawaguchi v Kathleen Kanev | 6-1,6-1 |
| ITF W15 Barletta | 2019/05/16 14:40 | Natsumi Kawaguchi v Oana Georgeta Simion | 6-2,4-6,3-6 |
| ITF W15 Barletta | 2019/05/16 08:00 | Lisa Vallone v Natsumi Kawaguchi | 6-2,4-6,3-6 |
| ITF W15 Cancun | 2019/04/19 14:00 | Nicole Nadel v Natsumi Kawaguchi | 2-6,6-2,6-2 |
| ITF W25 Saskatoon | 2019/07/10 21:05 | Anna Morgina v Sarah-M Fortin | 6-4,6-3 |
| ITF W25 Saskatoon | 2019/07/08 20:15 | Nagi Hanatani v Sarah-M Fortin | 5-7,4-6 |
| ITF Women Saguenay Qual | 2017/10/21 17:15 | Sarah-M Fortin v Anca Craciun | 3-6,4-6 |