Katherine Sebov - WTA #330 (2025-03-17)
| wtatennis.com | WTA | Country |  Canada |
| Wikipedia | Eng / Fr | Birth | - |
| Career best ranking | Never ranked | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Clay | 1 | 2 | 33.33% |
| Hard (out.) | 1 | 4 | 20.00% |
| Hard (in.) | 2 | 1 | 66.67% |
| TOTAL | 4 | 7 | 36.36% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-03-31 | 500 |  Charleston WTA 500 | Clay | 32e | #330 | #65 Katie Volynets | 6/0 6/0 | |
| 2 | 2023-04-03 | 500 | Charleston WTA 500 | Clay | 16e | #195 |  #9 Belinda Bencic | 6/0 6/3 | |
| 3 | 2023-04-03 | 500 | Charleston WTA 500 | Clay | 32e | #195 | #47 Lauren Davis | 4/6 6/1 6/2 | |
| 4 | 2023-03-21 | 1000 | Miami WTA 1000 | Hard (out.) | 32e | #195 | #3 Jessica Pegula | 6/3 6/1 | |
| 5 | 2023-03-21 | 1000 | Miami WTA 1000 | Hard (out.) | 64e | #195 |  #54 Linda Fruhvirtova | 6/2 4/6 6/4 | |
| 6 | 2023-01-16 | GS |  WTA Australian Open | Hard (out.) | 64e | #229 |  #6 Caroline Garcia | 6/3 6/0 | |
| 7 | 2022-10-31 | Finals | Midland LLTL-WTA Finals | Hard (in.) | QF | #229 | #235 Peyton Stearns | 6/4 6/2 | |
| 8 | 2022-10-31 | Finals | Midland LLTL-WTA Finals | Hard (in.) | 8e | #229 |  #62 Lin Zhu | 6/4 6/3 | |
| 9 | 2022-10-31 | Finals | Midland LLTL-WTA Finals | Hard (in.) | 16e | #229 | #257 Robin Montgomery | 7/6(6) 5/7 6/3 | |
| 10 | 2022-08-08 | 1000 | Rogers Cup WTA | Hard (out.) | 32e | #296 |  #42 Yulia Putintseva | 3/6 6/2 7/5 | |
| 11 | 2021-08-23 | 250 | Chicago WTA | Hard (out.) | 16e | #310 |  #56 Marta Kostyuk | 6/0 6/3 |
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