| WTA Auckland | 01/01 02:45 | 19 | Katie Volynets v Eugenie Bouchard | Walkover | |
| WTA Auckland | 12/31 04:05 | 45 | [114] Katie Volynets v Katrina Scott [159] | 1-6,6-3,6-3 | |
| ITF W80 Tyler | 10/27 19:55 | 26 | [209] Nadia Podoroska v Katie Volynets [111] | 6-4,7-6 | |
| ITF W80 Tyler | 10/27 00:15 | 25 | [231] Sophie Chang v Katie Volynets [111] | Retired | |
| ITF W60 Macon | 10/22 15:30 | 28 | [49] Madison Brengle v Katie Volynets [119] | 6-2,6-3 | |
| ITF W60 Macon | 10/21 18:55 | 27 | [119] Katie Volynets v Emma Navarro [139] | 6-3,6-7,6-3 | |
| ITF W60 Macon | 10/20 15:00 | 26 | [119] Katie Volynets v Anna Rogers [164] | 6-3,6-3 | |
| ITF W60 Macon | 10/19 17:15 | 25 | Katie Volynets v Tamara Barad Itzhaki | 6-0,6-2 | |
| ITF W60 Las Vegas | 10/14 19:50 | 27 | [119] Katie Volynets v Marcela Zacarias [166] | 5-7,4-6 | |
| ITF W60 Las Vegas | 10/13 18:00 | 26 | [119] Katie Volynets v Alexa Glatch [433] | 3-6,6-3,7-6 | |
| ITF W60 Las Vegas | 10/12 19:10 | 25 | [119] Katie Volynets v Rasheeda McAdoo [276] | 6-3,4-6,6-2 | |
| ITF W80 Rancho Santa Fe | 10/06 19:10 | 26 | [117] Katie Volynets v Diana Shnaider [217] | 4-6,6-2,1-6 | |
| ITF W80 Rancho Santa Fe | 10/04 20:40 | 25 | [117] Katie Volynets v Astra Sharma [200] | 6-2,5-7,6-4 | |
| ITF W60 Templeton | 09/28 16:50 | 25 | [116] Katie Volynets v Sophie Chang [239] | 4-6,3-6 | |
| ITF W60 Berkeley | 09/22 16:50 | 26 | [220] Ashlyn Krueger v Katie Volynets [115] | 6-3,6-4 | |
| ITF W60 Berkeley | 09/20 20:20 | 25 | [317] Alice Robbe v Katie Volynets [115] | 4-6,5-7 | |
| US Open Women | 08/23 17:55 | 14 | [113] Katie Volynets v Yue Yuan [142] | 2-6,6-7 | |
| WTA Concord | 08/12 16:10 | 27 | [119] Katie Volynets v Bernarda Pera [56] | 3-6,1-6 | |
| WTA Concord | 08/11 18:30 | 26 | [119] Katie Volynets v Harmony Tan [112] | 4-6,6-0,7-6 | |
| WTA Concord | 08/09 14:00 | 25 | [97] Greet Minnen v Katie Volynets [119] | 4-6,7-5,4-6 | |
| WTA San Jose | 07/30 21:40 | 14 | [121] Katie Volynets v Grace Min [232] | 6-1,2-6,2-6 | |
| WTA Lausanne | 07/11 09:00 | 19 | [122] Katie Volynets v Eva Lys [217] | 1-6,6-3,2-6 | |
| WTA Lausanne | 07/10 10:45 | 14 | Katie Volynets v Sandy Marti | 6-1,6-1 | |
| WTA Contrexeville | 07/04 13:00 | 25 | [171] Elsa Jacquemot v Katie Volynets [117] | 6-4,3-6,6-2 | |
| Wimbledon Women | 06/22 12:45 | 15 | [116] Katie Volynets v Priscilla Hon [192] | 2-6,4-6 | |
| Wimbledon Women | 06/21 11:20 | 14 | [116] Katie Volynets v Anna-Lena Friedsam [226] | 6-3,6-3 | |
| ITF W100 Ilkley | 06/18 13:00 | 28 | [98] Dalma Galfi v Katie Volynets [121] | 6-3,3-6,7-6 | |
| ITF W100 Ilkley | 06/17 13:05 | 27 | [121] Katie Volynets v Maja Chwalinska [185] | 6-1,7-5 | |
| ITF W100 Ilkley | 06/16 10:00 | 26 | [121] Katie Volynets v Aldila Sutjiadi [430] | 6-3,6-4 | |
| ITF W100 Ilkley | 06/14 14:40 | 25 | Katie Volynets v Anna Brogan | 3-6,6-2,6-2 |