| ITF W100 Granby | 07/23 17:00 | 29 | [160] Katherine Sebov v Kayla Day [125] | 4-6,6-2,5-7 | |
| ITF W100 Granby | 07/22 14:00 | 28 | [92] Rebecca Marino v Katherine Sebov [160] | 6-4,4-6,2-6 | |
| ITF W100 Granby | 07/21 18:30 | 27 | [129] Emina Bektas v Katherine Sebov [160] | Retired | |
| ITF W100 Granby | 07/20 18:10 | 26 | Annabelle Xu v Katherine Sebov | 3-6,6-7 | |
| ITF W100 Granby | 07/18 22:00 | 25 | Savanna Ly-Nguyen v Katherine Sebov | 4-6,3-6 | |
| Wimbledon - Kvinner | 06/28 15:35 | 15 | [157] Katherine Sebov v Brenda Fruhvirtova [137] | 0-6,3-6 | |
| Wimbledon - Kvinner | 06/27 10:00 | 14 | [157] Katherine Sebov v Nuria Brancaccio [177] | 6-2,6-2 | |
| ITF W100 Ilkley | 06/21 09:30 | 25 | [68] Emma Navarro v Katherine Sebov [154] | 6-4,6-3 | |
| French Open - Kvinner | 05/23 13:30 | 14 | [257] Petra Marcinko v Katherine Sebov [141] | 3-6,6-0,6-2 | |
| WTA Paris | 05/17 09:00 | 26 | [145] Katherine Sebov v Linda Noskova [54] | 5-7,2-6 | |
| WTA Paris | 05/16 10:35 | 25 | [145] Katherine Sebov v Anna Bondar [93] | Retired | |
| WTA Roma | 05/08 08:00 | 14 | [142] Polina Kudermetova v Katherine Sebov [145] | 6-4,6-3 | |
| Billie Jean King Cup | 04/16 00:00 | 14 | [136] Katherine Sebov v Greet Minnen [171] | 2-6,6-3,3-6 | |
| WTA Charleston | 04/06 02:10 | 25 | [11] Belinda Bencic v Katherine Sebov [148] | 6-0,6-3 | |
| WTA Charleston | 04/03 16:25 | 24 | [57] Lauren Davis v Katherine Sebov [148] | 6-4,1-6,2-6 | |
| WTA Charleston | 04/02 15:00 | 19 | [291] Francesca Di Lorenzo v Katherine Sebov [172] | 4-6,2-6 | |
| WTA Charleston | 04/01 14:00 | 14 | [249] Gabriela Ce v Katherine Sebov [172] | 2-6,1-6 | |
| WTA Miami | 03/23 18:25 | 24 | [3] Jessica Pegula v Katherine Sebov [172] | 6-3,6-1 | |
| WTA Miami | 03/21 19:45 | 23 | [172] Katherine Sebov v Linda Fruhvirtova [50] | 6-2,4-6,6-4 | |
| WTA Miami | 03/20 17:15 | 15 | [172] Katherine Sebov v Jodie Anna Burrage [132] | 6-7,7-5,6-3 | |
| WTA Miami | 03/19 16:45 | 14 | [89] Kamilla Rakhimova v Katherine Sebov [199] | 4-6,3-6 | |
| ITF W25 Toronto | 03/05 17:00 | 29 | [276] Himeno Sakatsume v Katherine Sebov [195] | 4-6,6-7 | |
| ITF W25 Toronto | 03/04 18:55 | 28 | [383] Gabriela Andrea Knutson v Katherine Sebov [195] | 4-6,6-3,6-7 | |
| ITF W25 Toronto | 03/03 15:00 | 27 | [378] Jessie Aney v Katherine Sebov [195] | 4-6,3-6 | |
| ITF W25 Toronto | 03/02 15:00 | 26 | Anna-Raphaelle Serghi v Katherine Sebov | 0-6,3-6 | |
| ITF W25 Toronto | 02/28 16:15 | 25 | Sara Daavettila v Katherine Sebov | 0-6,4-6 | |
| Australian Open - Kvinner | 01/17 01:30 | 23 | [190] Katherine Sebov v Caroline Garcia [4] | 3-6,0-6 | |
| Australian Open - Kvinner | 01/12 05:30 | 19 | [191] Katherine Sebov v Simona Waltert [129] | 6-3,6-4 | |
| Australian Open - Kvinner | 01/11 06:15 | 15 | [191] Katherine Sebov v Priscilla Hon [169] | 6-2,6-2 | |
| Australian Open - Kvinner | 01/10 04:10 | 14 | [56] Linda Noskova v Katherine Sebov [191] | 4-6,6-3,4-6 |
Wikipedia - Katherine Sebov
Katherine Sebov (born January 5, 1999) is a Canadian professional tennis player. She reached a career-high WTA singles ranking of No. 136, on 10 April 2023. Sebov has a career-high combined ITF junior ranking of No. 22, achieved on 20 July 2015.