Stadium: Court 4 Round: 26
| ITF Women Dothan | 2018/04/18 23:00 | Jennifer Brady v Sesil Karatantcheva | 5-7,0-6 |
| ITF Women Indian Harbour | 2018/04/12 18:40 | Sophie Chang v Sesil Karatantcheva | 6-4,2-6,7-5 |
| ITF Women Indian Harbour | 2018/04/10 14:30 | Sesil Karatantcheva v Jamie Loeb | 6-2,6-1 |
| WTA Charleston Qual | 2018/03/31 20:55 | Sesil Karatantcheva v Dayana Yastremska | 7-6,4-6,4-6 |
| WTA Doha Qual | 2018/02/10 12:15 | Kateryna Volodko v Sesil Karatantcheva | 6-3,4-6,6-3 |
| WTA St. Petersburg Qual | 2018/01/27 18:50 | Sesil Karatantcheva v Jana Fett | 6-3,3-6,3-6 |
| Australian Open Women Qual | 2018/01/11 02:10 | Irina Maria Bara v Sesil Karatantcheva | 7-5,3-6,7-5 |
| ITF Women Waco | 2017/11/07 17:30 | Sofia Kenin v Sesil Karatantcheva | 7-5,6-0 |
| ITF Women Dothan | 2018/04/17 18:45 | Olga Ianchuk v Risa Ozaki | 6-7,6-0,6-7 |
| ITF Women Indian Harbour | 2018/04/11 19:10 | Risa Ozaki v Taylor Townsend | 2-6,1-6 |
| WTA Monterrey | 2018/04/03 02:00 | Risa Ozaki v Magdalena Rybarikova | 4-6,3-6 |
| ITF Women Canberra | 2018/03/21 02:00 | Jaimee Fourlis v Risa Ozaki | 6-2,6-1 |
| ITF Women Shenzhen | 2018/03/13 02:00 | Viktoria Hruncakova v Risa Ozaki | 6-4,6-2 |
| WTA Indian Wells Qual | 2018/03/05 20:35 | Su-Wei Hsieh v Risa Ozaki | 6-4,6-3 |
| WTA Indian Wells Qual | 2018/02/24 20:00 | Risa Ozaki v Francesca Di Lorenzo | 4-6,2-6 |
| WTA Doha Qual | 2018/02/10 12:35 | Monica Niculescu v Risa Ozaki | 6-1,6-0 |