Stadium: Court 3 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Fort Worth | 2019/07/29 14:00 | Ayaka Okuno v Olivia Peet | 7-5,3-6,9-11 |
| ITF W60 Ashland | 2019/07/24 16:45 | Ayaka Okuno v Catherine Harrison | 4-6,2-6 |
| ITF W60 Ashland | 2019/07/23 13:00 | Sanaz Marand v Ayaka Okuno | 6-3,4-6,7-10 |
| ITF W60 Ashland | 2019/07/22 15:45 | Maria Santilli v Ayaka Okuno | 4-6,4-6 |
| ITF W15 Hua Hin | 2019/07/10 03:00 | Sowjanya Bavisetti v Ayaka Okuno | 6-4,6-4 |
| ITF W15 Hua Hin | 2019/07/02 06:55 | Lou Brouleau v Ayaka Okuno | 6-1,6-0 |
| ITF W15 Gimcheon | 2019/06/21 01:00 | Ayaka Okuno v So-Ra Lee | 5-7,6-2,3-6 |
| ITF W15 Gimcheon | 2019/06/20 01:00 | Ayaka Okuno v Hwiwon Wi | 3-6,6-3,6-1 |
| ITF W60 Ashland | 2019/07/22 16:35 | Mariia Kostiuk v Rhiann Newborn | 3-6,1-6 |
| ITF W25 Osprey | 2019/04/22 14:30 | Mariia Kostiuk v Chanelle Van Nguyen | 5-7,2-6 |