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 Pelham | 2018/04/10 23:30 | Mari Osaka v Barbara Haas | 6-4,6-7,0-6 |
| ITF Women Jackson | 2018/04/04 15:00 | Mari Osaka v Gaia Sanesi | 5-7,4-6 |
| 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 |
| ITF Women Charlottesville Qual | 2018/04/22 14:00 | Ingrid Neel v Petra Januskova | 6-4,6-2 |
| ITF Women Indian Harbour | 2018/04/11 16:35 | Grace Min v Ingrid Neel | 6-0,6-0 |
| ITF Women Indian Harbour Qual | 2018/04/10 13:00 | Salome Devidze v Ingrid Neel | 7-6,5-7,2-6 |
| ITF Women Indian Harbour Qual | 2018/04/09 17:45 | Sabastiani Leon v Ingrid Neel | 0-6,3-6 |
| ITF Women Indian Harbour Qual | 2018/04/08 19:45 | Haley Giavara v Ingrid Neel | 0-6,2-6 |
| ITF Women Tampa | 2018/03/16 14:00 | Ingrid Neel v Katerina Stewart | 4-6,4-6 |
| ITF Women Tampa | 2018/03/14 18:30 | Ingrid Neel v Kelli Hine | 6-1,6-0 |
| WTA Indian Wells Qual | 2018/02/24 18:00 | Ingrid Neel v Julia Boserup | 1-6,3-6 |