| WTA Nottingham | 06/05 12:20 | 19 | [184] Georgina Garcia-Perez v Katie Volynets [202] | 4-6,3-6 | |
| ITF W25 Pelham | 05/19 18:40 | 25 | [394] Maria Lourdes Carle v Katie Volynets [200] | Retired | |
| ITF W100 Bonita Springs | 05/16 16:50 | 29 | [299] Katie Volynets v Irina Maria Bara [133] | 6-7,7-6,6-1 | |
| ITF W100 Bonita Springs | 05/15 19:20 | 28 | [299] Katie Volynets v Hanna Chang [311] | 5-7,6-4,7-5 | |
| ITF W100 Bonita Springs | 05/14 21:55 | 27 | [81] Madison Brengle v Katie Volynets [299] | 1-6,2-6 | |
| ITF W100 Bonita Springs | 05/13 13:55 | 26 | [299] Katie Volynets v Renata Zarazua [140] | 6-1,6-3 | |
| ITF W100 Bonita Springs | 05/12 14:00 | 25 | Katie Volynets v Harriet Dart | Cancelled | |
| ITF W100 Bonita Springs | 05/12 13:50 | 25 | [299] Katie Volynets v Catherine Harrison [305] | 6-3,6-2 | |
| ITF W100 Charleston | 05/07 13:50 | 27 | [86] Madison Brengle v Katie Volynets [316] | 7-5,7-6 | |
| ITF W100 Charleston | 05/06 17:00 | 26 | [166] Storm Sanders v Katie Volynets [316] | 2-6,0-6 | |
| ITF W100 Charleston | 05/05 18:30 | 25 | [316] Katie Volynets v Xinyu Wang [145] | 2-6,6-3,6-2 | |
| ITF W60 Charlottesville | 04/29 14:00 | 26 | [145] Xinyu Wang v Katie Volynets [316] | 6-1,6-3 | |
| ITF W60 Charlottesville | 04/27 18:10 | 25 | [316] Katie Volynets v Danielle Lao [216] | 6-2,1-6,6-4 | |
| ITF W60 Oeiras | 04/14 16:15 | 25 | [318] Katie Volynets v Marina B Ribera [338] | 3-6,6-7 | |
| ITF W60 Oeiras | 04/14 15:30 | 25 | Katie Volynets v Cagla Buyukakcay | Cancelled | |
| ITF W60 Oeiras | 04/13 15:30 | 24 | [217] Isabella Shinikova v Katie Volynets [318] | 6-7,2-6 | |
| ITF W60 Oeiras | 04/12 11:35 | 54 | [318] Katie Volynets v Nagi Hanatani [369] | 6-2,6-4 | |
| ITF W60 Oeiras | 04/11 14:05 | 54 | Katie Volynets v Maria Santos | 6-3,6-1 | |
| ITF W60 Bellinzona | 04/04 12:40 | 54 | [358] Lina Gjorcheska v Katie Volynets [316] | 6-3,7-6 | |
| WTA Guadalajara | 03/10 05:35 | 25 | [120] Catherine McNally v Katie Volynets [314] | 6-0,3-6,6-4 | |
| ITF W25 Boca Raton | 02/25 15:50 | 26 | [323] Katie Volynets v Usue Maitane Arconada [156] | 5-7,7-6,4-6 | |
| ITF W25 Boca Raton | 02/24 19:40 | 25 | Katie Volynets v Elizabeth Mandlik | 6-3,7-5 | |
| ITF W25 Boca Raton | 02/23 17:25 | 54 | [290] Marcela Zacarias v Katie Volynets [323] | 6-3,5-7,6-10 | |
| ITF W25 Boca Raton | 02/22 15:00 | 54 | Maria Lourdes Carle v Katie Volynets | 6-4,5-7,10-12 | |
| ITF W25 Orlando | 02/19 15:00 | 27 | [322] Katie Volynets v Katie Swan [281] | 1-6,1-6 | |
| ITF W25 Orlando | 02/18 16:00 | 26 | [194] Mariam Bolkvadze v Katie Volynets [322] | 6-4,1-6,2-6 | |
| ITF W25 Orlando | 02/17 22:50 | 25 | [322] Katie Volynets v Maria Mateas [427] | 6-3,6-4 | |
| ITF W25 Orlando | 02/16 16:40 | 54 | [269] Irene Burillo Escorihuela v Katie Volynets [322] | 4-6,3-6 | |
| ITF W25 Orlando | 02/15 15:30 | 54 | Carole Monnet v Katie Volynets | 5-7,2-6 | |
| ITF W60 Rome GA | 01/26 19:10 | 54 | Katie Volynets v Kimmi Hance | 6-7,6-3,6-10 |