Stadium: Court 7 Round: 44
| WTA Tianjin | 2017/10/11 10:35 | Stefanie Voegele v Kristie Ahn | 6-3,6-3 |
| WTA Acapulco | 2018/03/04 00:00 | Stefanie Voegele v Lesia Tsurenko | 7-5,6-7,2-6 |
| WTA Acapulco | 2018/03/03 02:45 | Stefanie Voegele v Rebecca Peterson | 6-4,7-6 |
| WTA Acapulco | 2018/03/01 22:00 | Sloane Stephens v Stefanie Voegele | 4-6,7-5,2-6 |
| WTA Acapulco | 2018/02/28 23:35 | Maria Sakkari v Stefanie Voegele | 3-6,4-6 |
| WTA Acapulco | 2018/02/27 23:50 | Stefanie Voegele v Tatjana Maria | 6-2,7-5 |
| ITF Women Midland | 2018/02/01 16:25 | Mihaela Buzarnescu v Stefanie Voegele | 1-6,6-0,6-2 |
| ITF Women Midland | 2018/01/30 18:20 | Stefanie Voegele v Anna Karolina Schmiedlova | 6-4,6-3 |
| WTA Newport Beach | 2018/01/22 18:00 | Stefanie Voegele v Claire Liu | 4-6,5-7 |
| WTA Indian Wells Qual | 2018/03/06 20:50 | Lara Arruabarrena v Kristie Ahn | 7-5,6-3 |
| WTA Indian Wells Qual | 2018/03/05 22:20 | Carol Zhao v Kristie Ahn | 6-4,6-7,2-6 |
| WTA Indian Wells | 2018/03/01 22:55 | Kristie Ahn v Sara Errani | 4-6,0-6 |
| WTA Indian Wells | 2018/02/28 00:25 | Taylor Townsend v Kristie Ahn | 5-7,1-6 |
| Australian Open Women | 2018/01/16 00:00 | Kristie Ahn v Barbora Strycova | 1-6,5-7 |
| WTA Sydney | 2018/01/08 09:15 | Kristie Ahn v Kiki Bertens | 2-6,4-6 |
| WTA Sydney Qual | 2018/01/06 23:00 | Kristie Ahn v Monica Puig | 6-4,6-1 |
| WTA Sydney Qual | 2018/01/06 00:40 | Kristie Ahn v Johanna Larsson | 6-1,6-2 |