Stadium: Court 9 / stadium Round: 54
| ITF Women Landisville Qual | 2018/08/06 14:00 | Katerina Stewart v Emiliana Arango | 7-6,6-1 |
| ITF Women Landisville Qual | 2018/08/05 15:00 | Katerina Stewart v Amanda Rodgers | 6-3,6-3 |
| ITF Women Prague | 2018/07/27 09:00 | Martina Di Giuseppe v Katerina Stewart | 6-3,6-4 |
| ITF Women Prague | 2018/07/26 10:35 | Katerina Stewart v Alexandra Cadantu | 7-6,7-5 |
| ITF Women Prague | 2018/07/25 09:00 | Lucie Hradecka v Katerina Stewart | 7-5,6-7,3-6 |
| ITF Women Olomouc | 2018/07/19 10:35 | Katerina Stewart v Anhelina Kalinina | 6-7,7-6,6-7 |
| ITF Women Olomouc | 2018/07/18 10:30 | Katerina Stewart v Maria Marfutina | 6-0,6-2 |
| ITF Women Budapest | 2018/07/10 12:10 | Katerina Stewart v Yafan Wang | 6-4,3-6,3-6 |
| ITF Women Landisville Qual | 2018/08/06 14:00 | Natela Dzalamidze v Risa Ozaki | 1-6,4-6 |
| ITF Women Landisville Qual | 2018/08/05 14:00 | Ashley Lahey v Risa Ozaki | 6-2,1-6,1-6 |
| ITF Women Nonthaburi | 2018/07/14 02:00 | Risa Ozaki v Ankita Raina | 2-6,3-6 |
| ITF Women Nonthaburi | 2018/07/13 02:00 | Peangtarn Plipuech v Risa Ozaki | 5-7,2-6 |
| ITF Women Nonthaburi | 2018/07/12 02:00 | Risa Ozaki v Hiroko Kuwata | 6-2,4-6,6-2 |
| ITF Women Nonthaburi | 2018/07/11 02:00 | Risa Ozaki v Kai-Chen Chang | 6-2,6-4 |
| ITF Women Nonthaburi | 2018/07/09 02:00 | Risa Ozaki v Sunam Jeong | 4-6,6-4,6-4 |
| ITF Women Hong Kong | 2018/06/19 02:00 | Jovana Jaksic v Risa Ozaki | 6-2,3-6,6-1 |