Stadium: Court 8 Round: 26
| ITF Women Joue-Les-Tours | 2017/10/19 13:15 | Mari Osaka v Elena-Gabriela Ruse | 4-6,6-3,6-7 |
| ITF Women Daytona Beach | 2018/01/11 00:30 | Elena-Gabriela Ruse v Maria Mateas | 7-5,6-0 |
| ITF Women Nules | 2017/12/08 09:30 | Elena-Gabriela Ruse v Silvia Soler-Espinosa | 7-5,3-6,3-6 |
| ITF Women Nules | 2017/12/07 09:30 | Elena-Gabriela Ruse v Irene Burillo Escorihuela | 6-2,6-2 |
| ITF Women Nules | 2017/12/05 09:00 | Elena-Gabriela Ruse v Paula Arias Manjon | 6-2,6-7,6-2 |
| WTA Limoges | 2017/11/08 17:50 | Elena-Gabriela Ruse v Monica Niculescu | 4-6,3-6 |
| WTA Limoges | 2017/11/06 11:30 | Elena-Gabriela Ruse v Viktoria Hruncakova | 6-2,6-2 |
| WTA Limoges Qual | 2017/11/05 12:55 | Elena-Gabriela Ruse v Tessah Andrianjafitrimo | 6-0,6-2 |
| WTA Limoges Qual | 2017/11/04 10:25 | Deborah Chiesa v Elena-Gabriela Ruse | 3-6,3-6 |
| 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 Nantes | 2017/11/01 15:10 | Kaia Kanepi v Mari Osaka | 2-6,7-6,6-0 |
| ITF Women Nantes | 2017/10/31 12:05 | Antonia Lottner v Mari Osaka | 2-6,2-6 |
| ITF Women Poitiers Qual | 2017/10/21 08:00 | Mari Osaka v Cornelia Lister | 4-6,6-7 |
| ITF Women Joue-Les-Tours | 2017/10/19 13:15 | Mari Osaka v Elena-Gabriela Ruse | 4-6,6-3,6-7 |