Stadium: Court 4 Round: 26
| 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 Tyler | 2017/11/02 16:00 | Cagla Buyukakcay v Sesil Karatantcheva | 6-2,6-2 |
| ITF Women Tyler | 2017/11/01 17:20 | Sesil Karatantcheva v Julia Boserup | 6-4,6-3 |
| ITF Women Macon | 2017/10/27 15:00 | Sesil Karatantcheva v Rebecca Peterson | 3-6,6-7 |
| ITF Women Macon | 2017/10/26 18:30 | Francesca Schiavone v Sesil Karatantcheva | 2-6,1-6 |
| WTA Doha Qual | 2018/02/10 12:35 | Monica Niculescu v Risa Ozaki | 6-1,6-0 |
| WTA Taipei | 2018/01/30 06:10 | Yafan Wang v Risa Ozaki | 6-2,6-4 |
| Australian Open Women Qual | 2018/01/11 03:35 | Risa Ozaki v Miharu Imanishi | 7-5,6-7,1-6 |
| WTA Auckland Qual | 2017/12/30 21:00 | Arantxa Rus v Risa Ozaki | 6-3,2-6,6-1 |
| WTA Auckland Qual | 2017/12/29 21:00 | Asia Muhammad v Risa Ozaki | 3-6,4-6 |
| WTA Honolulu | 2017/11/21 23:05 | Vitalia Diatchenko v Risa Ozaki | 6-1,6-0 |
| WTA Taipei | 2017/11/16 04:00 | Jil Teichmann v Risa Ozaki | 6-4,6-2 |
| WTA Taipei | 2017/11/15 05:40 | Dalila Jakupovic v Risa Ozaki | 7-6,2-6,4-6 |