Home History
| ITF Women Irapuato | 2018/03/16 00:45 | Renata Zarazua v Hanna Chang | 6-3,6-0 |
| ITF Women Irapuato | 2018/03/13 23:40 | Hanna Chang v Emiliana Arango | 6-4,6-2 |
| ITF Women Irapuato Qual | 2018/03/11 17:30 | Hanna Chang v Charlotte Chavatipon | 6-3,6-0 |
| ITF Women Rancho Santa Fe Qual | 2018/02/19 17:30 | Paula Cristina Goncalves v Hanna Chang | 6-3,4-6,6-4 |
| ITF Women Rancho Santa Fe Qual | 2018/02/18 17:30 | Hanna Chang v Rebecca Sramkova | 7-6,7-5 |
| WTA Newport Beach Qual | 2018/01/20 18:00 | Amanda Anisimova v Hanna Chang | 6-4,6-4 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Hanna Chang v Elizabeth Halbauer | 4-6,3-6 |
| ITF Women Daytona Beach | 2018/01/11 01:10 | Hanna Chang v Victoria Duval | 2-6,6-4,15-17 |
Away History
| ITF Women Kashiwa Qual | 2018/04/01 03:00 | Ayaka Okuno v Shiho Akita | 1-6,0-6 |
| ITF Women Kofu Qual | 2018/03/25 02:30 | Ayaka Okuno v Alina Silich | 1-6,1-6 |
| ITF Women Kofu Qual | 2018/03/24 04:00 | Charlotte Robillard-Millette v Ayaka Okuno | 1-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/23 01:00 | Ayaka Okuno v So-Ra Lee | 3-6,4-6 |
| ITF Women Nishi-Tama | 2018/03/22 03:00 | Yuki Kristina Chiang v Ayaka Okuno | 6-1,5-7,1-6 |
| ITF Women Nishi-Tama | 2018/03/20 02:40 | Erina Hayashi v Ayaka Okuno | 0-6,7-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Ayaka Okuno v Kyoka Okamura | 1-6,3-6 |
| ITF Women Yokohama Qual | 2018/03/04 07:00 | Ayaka Okuno v Ya-Hsuan Lee | 4-6,4-6 |