Stadium: Court 2 Round: 25
| ITF Women Budapest | 2018/08/25 12:40 | Mari Osaka v Maria Marfutina | 1-6,2-6 |
| ITF Women Braunschweig | 2018/08/22 09:00 | Anastasia Zarycka v Mari Osaka | 6-4,7-5 |
| ITF Women Porto | 2018/07/24 09:30 | Lisa Sabino v Mari Osaka | 6-2,6-1 |
| WTA Bucharest Qual | 2018/07/14 11:15 | Claire Liu v Mari Osaka | 6-0,3-6,6-4 |
| ITF Women Denain | 2018/07/06 09:00 | Aliona Bolsova Zadoinov v Mari Osaka | 6-1,6-4 |
| ITF Women Denain | 2018/07/05 11:05 | Quirine Lemoine v Mari Osaka | 4-6,0-6 |
| ITF Women Denain | 2018/07/04 08:30 | Mari Osaka v Momoko Kobori | 6-1,6-1 |
| ITF Women Perigueux | 2018/06/28 09:00 | Nadia Podoroska v Mari Osaka | 7-6,7-5 |
| ITF Women Budapest | 2018/08/29 14:10 | Viktoriya Tomova v Monika Kilnarova | 6-4,6-2 |
| ITF Women Budapest | 2018/08/28 13:15 | Marina Melnikova v Monika Kilnarova | 3-6,4-6 |
| ITF Women Leipzig | 2018/08/15 13:05 | Monika Kilnarova v Miriam Kolodziejova | 4-6,1-6 |
| ITF Women Warsaw | 2018/08/07 11:00 | Monika Kilnarova v Natalija Stevanovic | 5-7,5-7 |
| ITF Women Olomouc | 2018/07/18 10:30 | Monika Kilnarova v Tereza Mrdeza | 4-6,4-6 |
| ITF Women Torino | 2018/07/10 08:30 | Polina Leykina v Monika Kilnarova | 6-2,6-3 |
| ITF Women Aschaffenburg | 2018/07/05 13:00 | Anastasia Detiuc v Monika Kilnarova | 6-2,5-7,6-4 |
| ITF Women Aschaffenburg | 2018/07/04 11:00 | Dalma Galfi v Monika Kilnarova | 4-6,4-6 |