| ITF W25 Claremont | 10/10 20:10 | 26 | Anhzelika Isaeva v Katherine Sebov | 2-6,6-4,0-6 | |
| ITF W25 Claremont | 10/09 17:00 | 25 | Emma Davis v Katherine Sebov | 3-6,2-6 | |
| ITF W25 Redding | 09/15 03:00 | 28 | Katherine Sebov v Alycia Parks | 4-6,5-7 | |
| ITF W25 Redding | 09/14 01:00 | 27 | Katherine Sebov v Ellie Douglas | 6-2,7-5 | |
| ITF W25 Redding | 09/12 17:00 | 26 | [200] Katherine Sebov v Paige Hourigan [465] | 6-1,3-6,6-1 | |
| ITF W25 Redding | 09/10 20:55 | 25 | [200] Katherine Sebov v Tara Moore [257] | 7-6,4-6,6-0 | |
| WTA New Haven | 09/03 18:50 | 24 | [200] Katherine Sebov v Danielle Lao [174] | 6-3,4-6,2-6 | |
| US Open - Kvinner | 08/20 20:10 | 44 | [157] Lara Arruabarrena v Katherine Sebov [200] | 6-1,6-2 | |
| ITF W60 Concord | 08/12 17:50 | 54 | Panna Udvardy v Katherine Sebov | Cancelled | |
| ITF W80 Granby | 07/27 16:00 | 28 | [266] Lizette Cabrera v Katherine Sebov [207] | 3-6,6-1,6-0 | |
| ITF W80 Granby | 07/26 14:00 | 27 | Katherine Sebov v Layne Sleeth | 6-2,6-1 | |
| ITF W80 Granby | 07/25 14:00 | 26 | [207] Katherine Sebov v Carol Zhao [467] | 6-0,6-2 | |
| ITF W80 Granby | 07/23 22:20 | 25 | Katherine Sebov v Haruka Kaji | 7-5,6-3 | |
| ITF W25 Gatineau | 07/17 18:30 | - | Katherine Sebov v Haley Giavara | 1-6,5-7 | |
| ITF W25 Gatineau | 07/17 17:05 | 25 | Katherine Sebov v Haley Giavara | 1-6,5-7 | |
| ITF W25 Saskatoon | 07/14 17:00 | 29 | [212] Katherine Sebov v Maddison Inglis [237] | 4-6,6-2,4-6 | |
| ITF W25 Saskatoon | 07/13 17:00 | 28 | [212] Katherine Sebov v Marcela Zacarias [456] | 6-4,1-6,6-3 | |
| ITF W25 Saskatoon | 07/12 17:00 | 27 | Katherine Sebov v Olivia Tjandramulia | 6-3,6-4 | |
| ITF W25 Saskatoon | 07/12 15:00 | - | [212] Katherine Sebov v Olivia Tjandramulia [456] | 6-3,6-4 | |
| ITF W25 Saskatoon | 07/11 20:00 | 26 | [212] Katherine Sebov v Pamela Montez [497] | 6-3,7-6 | |
| ITF W25 Saskatoon | 07/10 20:40 | 25 | Katherine Sebov v Louise Kwong | 6-3,6-1 | |
| ITF W25 Figueira Da Foz | 06/23 14:00 | 29 | [384] Ipek Soylu v Katherine Sebov [239] | 6-7,7-6,6-3 | |
| ITF W25 Figueira Da Foz | 06/22 12:30 | 28 | [239] Katherine Sebov v Oceane Dodin [443] | 6-1,6-7,6-3 | |
| ITF W25 Figueira Da Foz | 06/21 12:50 | 27 | [336] Mai Hontama v Katherine Sebov [239] | 5-7,4-6 | |
| ITF W25 Figueira Da Foz | 06/20 15:00 | 26 | Angelina Gabueva v Katherine Sebov | 1-6,4-6 | |
| ITF W25 Figueira Da Foz | 06/18 11:30 | 25 | Alexandra Damaschin v Katherine Sebov | 1-6,1-6 | |
| ITF W100 Manchester | 06/14 16:00 | 27 | [246] Katherine Sebov v Madison Brengle [98] | 1-6,1-6 | |
| ITF W100 Manchester | 06/14 12:00 | 26 | [89] Anna Blinkova v Katherine Sebov [246] | 6-2,4-6,4-6 | |
| ITF W100 Manchester | 06/12 13:00 | 25 | [210] Emily Webley-Smith v Katherine Sebov [246] | 1-6,3-6 | |
| ITF W100 Bonita Springs | 05/08 20:45 | 25 | [379] Gabriela Talaba v Katherine Sebov [243] | 7-5,6-2 |
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.