Stadium: Indoor 6 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Waco | 2019/10/14 17:00 | Ayumi Miyamoto v Jeanette Mireles | 6-3,6-4 |
| ITF W15 Norman | 2019/10/03 17:20 | Ayumi Miyamoto v Emma Davis | 6-4,5-7,2-6 |
| ITF W15 Norman | 2019/10/01 21:00 | Ayumi Miyamoto v Skyler Miller | 6-0,6-0 |
| ITF W15 Lawrence | 2019/09/12 16:00 | Ayumi Miyamoto v Carmen Roxana Manu | 2-6,6-3,6-7 |
| ITF W15 Lawrence | 2019/09/11 16:25 | Ayumi Miyamoto v Sarah Lee | 6-3,6-2 |
| ITF W25 Karuizawa | 2019/05/23 03:05 | Naomi Broady v Ayumi Miyamoto | 6-4,6-4 |
| ITF W25 Karuizawa | 2019/05/21 05:55 | Ayumi Miyamoto v Yui Saito | 6-2,7-5 |
| ITF W60 Kurume | 2019/05/15 01:00 | Rebecca Marino v Ayumi Miyamoto | 7-5,6-2 |
| ITF W25 Waco | 2019/10/14 18:00 | Jacqueline Payne v Alyssa Tobita | 0-6,0-6 |
| ITF W25 Waco | 2019/10/13 17:30 | Paula Baranano v Alyssa Tobita | 1-6,6-1,5-10 |
| ITF - W15 Cancun | 2019/08/30 17:10 | Alyssa Tobita v Ingrid Gamarra Martins | 1-6,5-7 |
| ITF - W15 Cancun | 2019/08/29 20:45 | Anastasia E Nefedova v Alyssa Tobita | 1-6,2-6 |
| ITF - W15 Cancun | 2019/08/27 14:00 | Melis Yasar v Alyssa Tobita | 3-6,2-6 |
| ITF - W15 Cancun | 2019/08/20 14:00 | Alyssa Tobita v Melissa Morales | 5-7,5-7 |
| ITF W60 Honolulu | 2019/07/10 02:15 | Whitney Osuigwe v Alyssa Tobita | 6-4,6-2 |
| ITF - W15 Cancun | 2019/06/28 13:30 | Ramona Mataruga v Alyssa Tobita | 6-3,6-3 |