| Australian Open Women | 01/10 06:30 | 14 | [178] Katie Volynets v Hanna Chang [250] | 6-3,6-3 | |
| ITF W60 Traralgon | 01/07 02:30 | 27 | [212] Paula Ormaechea v Katie Volynets [180] | 6-4,6-4 | |
| ITF W60 Traralgon | 01/05 03:30 | 26 | [264] Catherine Harrison v Katie Volynets [180] | 3-6,0-6 | |
| ITF W60 Traralgon | 01/03 03:35 | 25 | [209] Sujeong Jang v Katie Volynets [180] | 3-6,2-6 | |
| WTA Midland | 11/02 19:25 | 25 | [177] Katie Volynets v Misaki Doi [98] | 7-5,1-6,6-7 | |
| ITF W80 Tyler | 10/28 15:50 | 26 | [179] Katie Volynets v Claire Liu [89] | 4-6,6-1,1-6 | |
| ITF W80 Tyler | 10/26 18:30 | 25 | [179] Katie Volynets v Peangtarn Plipuech [373] | 6-0,7-5 | |
| ITF W80 Macon | 10/21 18:00 | 26 | [181] Katie Volynets v Victoria Duval [384] | 5-7,4-6 | |
| ITF W80 Macon | 10/20 19:00 | 25 | [147] Rebecca Marino v Katie Volynets [181] | 3-6,6-2,2-6 | |
| ITF W25 Florence | 10/15 13:55 | 27 | [365] Maria Mateas v Katie Volynets [182] | 6-2,6-3 | |
| ITF W25 Florence | 10/14 14:00 | 26 | [285] Fernanda Contreras Gomez v Katie Volynets [182] | 3-6,0-6 | |
| ITF W25 Florence | 10/13 14:00 | 25 | [351] Lulu Sun v Katie Volynets [182] | 6-3,4-6,0-6 | |
| WTA Indian Wells | 10/06 23:00 | 23 | [182] Katie Volynets v Petra Martic [45] | 4-6,4-6 | |
| ITF W60 Berkeley | 09/29 17:00 | 25 | [306] Marcela Zacarias v Katie Volynets [182] | 7-6,3-6,6-2 | |
| WTA Columbus | 09/22 16:20 | 26 | [98] Lauren Davis v Katie Volynets [185] | 6-2,7-6 | |
| WTA Columbus | 09/20 16:40 | 25 | [445] Katrina Scott v Katie Volynets [185] | 3-6,6-2,6-7 | |
| US Open Women | 08/31 15:00 | 23 | [46] Ajla Tomljanovic v Katie Volynets [197] | 6-3,6-1 | |
| WTA Cincinnati | 08/14 18:15 | 14 | Katie Volynets v Heather Watson | 7-5,2-6,2-6 | |
| WTA San Jose | 07/31 20:30 | 14 | [348] Emina Bektas v Katie Volynets [190] | 6-4,1-6,6-3 | |
| WTA San Jose | 07/31 19:30 | 14 | Catherine McNally v Katie Volynets | Cancelled | |
| WTA Gdynia | 07/19 09:00 | 25 | [141] Kateryna Kozlova v Katie Volynets [188] | 7-6,6-2 | |
| WTA Budapest | 07/10 13:35 | 14 | [199] Katie Volynets v Andrea Lazaro Garcia [242] | 6-7,6-1,3-6 | |
| WTA Bastad | 07/07 11:15 | 26 | [151] Aliona Bolsova v Katie Volynets [199] | 6-4,6-1 | |
| WTA Bastad | 07/05 10:30 | 25 | [199] Katie Volynets v Kamilla Rakhimova [134] | 7-5,6-1 | |
| Wimbledon Women | 06/28 17:40 | 23 | [79] Irina-Camelia Begu v Katie Volynets [199] | 6-4,7-5 | |
| Wimbledon Women | 06/24 15:15 | 19 | [200] Katie Volynets v Beatriz Haddad Maia [188] | 7-5,6-4 | |
| Wimbledon Women | 06/23 14:30 | 15 | [452] Eden Silva v Katie Volynets [200] | 1-6,2-6 | |
| Wimbledon Women | 06/22 18:25 | 14 | [205] Tereza Mrdeza v Katie Volynets [200] | 1-6,0-6 | |
| WTA Birmingham | 06/12 11:20 | 14 | [154] Vitalia Diatchenko v Katie Volynets [202] | 6-3,1-6,7-5 | |
| WTA Nottingham | 06/06 10:00 | 24 | [202] Katie Volynets v Marina Melnikova [186] | 3-6,6-2,6-7 |