Stadium: Court 7 Round: 25 Ground: Hardcourt indoor
| ITF Women Stockton | 2018/10/04 19:30 | Brengle, Madison v Ashley Kratzer | 6-3,6-1 |
| ITF Women Stockton | 2018/10/03 20:10 | Elie, Jennifer v Ashley Kratzer | 3-6,1-6 |
| Templeton, Singles W-WITF-USA-32A | 2018/09/25 19:10 | Ashley Kratzer v Brengle, Madison | 4-6,1-6 |
| WTA Chicago | 2018/09/03 22:30 | Falconi, Irina v Ashley Kratzer | 6-4,6-4 |
| WTA Chicago | 2018/09/02 20:35 | Marand, Sanaz v Ashley Kratzer | 4-6,0-6 |
| US Open Women | 2018/08/22 17:50 | Viktorija Golubic v Ashley Kratzer | 6-4,7-5 |
| WTA San Jose | 2018/08/01 18:00 | Ashley Kratzer v Elise Mertens | 2-6,0-6 |
| WTA San Jose | 2018/07/31 05:00 | Ashley Kratzer v Alison Riske | 6-4,4-6,7-5 |
| WTA Luxembourg | 2018/10/16 19:00 | Dayana Yastremska v Varvara Lepchenko | 6-2,6-7,7-6 |
| WTA Luxembourg | 2018/10/15 08:00 | Bencic, Belinda v Varvara Lepchenko | 6-3,7-5 |
| WTA Luxembourg | 2018/10/14 09:40 | Varvara Lepchenko v Isabella Shinikova | 3-6,6-4,6-3 |
| WTA Luxembourg | 2018/10/13 13:05 | Varvara Lepchenko v Schnyder, Patty | 6-4,6-2 |
| Tianjin, Chine | 2018/10/08 06:40 | Karolina Pliskova v Varvara Lepchenko | 6-2,6-7,6-3 |
| Pékin, Chine | 2018/09/28 04:45 | Sorana Cirstea v Varvara Lepchenko | 4-6,6-4,7-6 |
| Quebec City, Canada | 2018/09/14 17:40 | Varvara Lepchenko v Parmentier, Pauline | 6-7,1-6 |
| Quebec City, Canada | 2018/09/13 00:50 | Varvara Lepchenko v Marie Bouzkova | 6-1,1-6,6-3 |