Stadium: Court 3 Stadium Round: 54
| ITF Women Macon Qual | 2016/10/23 17:25 | Mari Osaka v Ingrid Neel | 3-6,4-6 |
| ITF Women Wesley Chapel Qual | 2018/01/23 19:40 | Mari Osaka v Olga Ianchuk | 6-7,4-6 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Mari Osaka v Caitlin Whoriskey | 3-6,6-7 |
| ITF Women Daytona Beach | 2018/01/12 15:00 | Mari Osaka v Grace Min | 6-7,4-6 |
| ITF Women Daytona Beach | 2018/01/11 16:30 | Elena-Gabriela Ruse v Mari Osaka | 6-7,3-6 |
| ITF Women Daytona Beach | 2018/01/11 01:05 | Mari Osaka v Kyoka Okamura | 6-1,6-1 |
| WTA Honolulu Qual | 2017/11/19 22:45 | Mari Osaka v Haruka Kaji | 3-6,5-7 |
| WTA Limoges Qual | 2017/11/05 12:00 | Mari Osaka v Olga Saez Larra | 6-1,3-6,6-7 |
| WTA Limoges Qual | 2017/11/04 13:35 | Silvia Soler-Espinosa v Mari Osaka | 3-6,7-6,4-6 |
| ITF Women Orlando Qual | 2018/01/14 15:00 | Ingrid Neel v Catherine Harrison | 6-2,4-6,4-6 |
| ITF Women Daytona Beach Qual | 2018/01/09 14:30 | Ingrid Neel v Chanelle Van Nguyen | 1-6,0-6 |
| ITF Women Daytona Beach Qual | 2018/01/08 19:30 | Ingrid Neel v Silvia B Caselles | 6-1,7-5 |
| ITF Women Daytona Beach Qual | 2018/01/07 16:30 | Julia Lohoff v Ingrid Neel | 4-6,3-6 |
| WTA Taipei Qual | 2017/11/13 08:00 | Veronika Kudermetova v Ingrid Neel | 7-6,6-2 |
| WTA Taipei Qual | 2017/11/13 03:00 | Ingrid Neel v Carol Zhao | 6-7,7-6,6-2 |
| ITF Women Shenzhen | 2017/11/08 05:30 | Nina Stojanovic v Ingrid Neel | 4-6,7-6,6-1 |
| ITF Women Shenzhen Qual | 2017/11/07 02:00 | Ingrid Neel v So-Ra Lee | 6-2,6-1 |