WTAranked 145 (2023-12-24)rating 1514 · peak 1796
Katherine Sebov
Canada · 27 years old · plays right-handed · 5'8" tall · born in N/A
WTA singles record since 2007
Won-lost
35-39
47% of matches
Titles
0
0 finals lost
Tiebreaks
3-9
won-lost
Deciding sets
13 of 22
48% of games won
By surface
| Surface | Won-lost | Win % | Games won | Tiebreaks | Rating |
|---|---|---|---|---|---|
| hard | 21-19 | 53% | 49% | 3-6 | 1623 |
| clay | 7-10 | 41% | 46% | 0-1 | 1451 |
| grass | 4-4 | 50% | 49% | 0-1 | 1508 |
Counted from scores; walkovers excluded. See surface Elo and share of games won.
Recent matches
| Date | Tournament | Opponent | Result | Score |
|---|---|---|---|---|
| 2026-09-22 | Eupago Porto Open Round 1 | Gabriela Knutson | loss | 6-4 6-2 |
| 2026-09-15 | Caldas da Rainha Ladies Open Round 1 | Victoria Jimenez Kasintseva | loss | 6-4 6-1 |
| 2026-08-25 | US Open Qualifying 1st Round | Julia Avdeeva | loss | 7-6(5) 6-1 |
| 2026-08-04 | National Bank Open presented by Rogers Round 2 | Marta Kostyuk | loss | 7-6(4) 6-0 |
| 2026-08-02 | National Bank Open presented by Rogers Round 1 | Aoi Ito | win | 6-3 6-4 |
| 2026-07-28 | The Memphis Classic Round 1 | Elvina Kalieva | loss | 6-1 7-6(3) |
| 2026-07-26 | The Memphis Classic Qualifying Final | Aran Teixido Garcia | win | 6-1 7-5 |
| 2026-07-25 | The Memphis Classic Qualifying 1st Round | Camila Soares | win | 6-1 6-0 |
| 2026-07-09 | Cerity Partners Hall of Fame Open for the Van Alen Cup Presented by the Margaret Fund Round 2 | Tatjana Maria | loss | 6-3 6-3 |
| 2026-07-08 | Cerity Partners Hall of Fame Open for the Van Alen Cup Presented by the Margaret Fund Round 1 | Cadence Brace | win | 6-2 6-2 |
| 2026-06-25 | Wimbledon Qualifying Final | Iryna Shymanovich | loss | 4-6 6-3 7-6(5) |
| 2026-06-24 | Wimbledon Qualifying 2nd Round | Noma Noha Akugue | win | 6-4 5-7 7-5 |
| 2026-06-23 | Wimbledon Qualifying 1st Round | Jazmin Ortenzi | win | 4-6 6-3 6-2 |
| 2026-06-14 | Figueira Da Foz Ladies Open Qualifying 1st Round | Allura Zamarripa | loss | 6-3 6-3 |
| 2026-05-19 | Roland Garros Qualifying 1st Round | Viktoria Hruncakova | loss | 6-0 7-6(3) |
| 2026-05-05 | Istanbul Open Round 1 | Berfu Cengiz | loss | 6-4 1-6 6-0 |
| 2026-05-04 | Istanbul Open Qualifying Final | Dalila Jakupovic | win | 7-5 6-3 |
| 2026-02-20 | Dow Tennis Classic QF | Mary Stoiana | loss | 6-3 6-4 |
| 2026-02-18 | Dow Tennis Classic Round 2 | Kayla Cross | win | 6-2 6-2 |
| 2026-02-16 | Dow Tennis Classic Round 1 | Ashlyn Krueger | win | 7-5 2-6 7-5 |
| 2026-02-01 | Ostrava Open Qualifying Final | Mona Barthel | loss | 6-2 5-7 6-4 |
| 2026-01-31 | Ostrava Open Qualifying 1st Round | Anna-Lena Friedsam | win | 7-5 6-2 |
| 2025-09-15 | Caldas da Rainha Ladies Open Round 1 | Eva Vedder | loss | 6-4 3-6 6-3 |
| 2025-07-26 | National Bank Open presented by Rogers Qualifying 1st Round | Viktoriya Tomova | loss | 6-1 6-4 |
| 2025-07-07 | Cerity Partners Hall of Fame Open for the Van Alen Cup Presented by the Margaret Fund Round 1 | Sahaja Yamalapalli | loss | 6-2 6-2 |
| 2025-03-31 | Credit One Charleston Open Round 1 | Katie Volynets | loss | 6-0 6-0 |
| 2025-03-30 | Credit One Charleston Open Qualifying Final | Kyoka Okamura | win | 6-4 6-2 |
| 2025-03-29 | Credit One Charleston Open Qualifying 1st Round | Gabriela Lee | win | 6-0 6-4 |
| 2024-11-03 | Dow Tennis Classic Qualifying 1st Round | Jamie Loeb | loss | 6-2 5-7 4-1 ret. |
| 2024-08-04 | National Bank Open presented by Rogers Qualifying 1st Round | Nao Hibino | loss | 6-2 2-6 6-1 |
| 2024-04-17 | Oeiras Jamor Ladies Open Round 1 | Kristina Mladenovic | loss | 6-4 6-2 |
| 2024-04-15 | Oeiras Jamor Ladies Open Qualifying Final | Tena Lukas | loss | 6-2 6-2 |
| 2024-04-14 | Oeiras Jamor Ladies Open Qualifying 1st Round | Jacqueline Cabaj Awad | win | 4-6 6-1 6-0 |
| 2024-03-30 | Credit One Charleston Open Qualifying 1st Round | Katie Volynets | loss | 6-3 6-2 |
| 2024-01-12 | Australian Open Qualifying Final | Rebecca Marino | loss | 2-0 ret. |
| 2024-01-10 | Australian Open Qualifying 2nd Round | Ysaline Bonaventure | win | 6-7(5) 6-4 4-0 ret. |
| 2024-01-09 | Australian Open Qualifying 1st Round | Emiliana Arango | win | 6-4 6-4 |
| 2024-01-01 | Workday Canberra International Round 1 | Nao Hibino | loss | 6-2 6-3 |
| 2024-01-01 | Workday Canberra International Qualifying Final | Lea Boskovic | win | 7-5 3-6 6-1 |
| 2023-12-31 | Workday Canberra International Qualifying 1st Round | Jana Kolodynska | win | 6-4 6-4 |
| 2023-11-03 | Dow Tennis Classic QF | Alycia Parks | loss | 7-5 6-1 |
| 2023-11-01 | Dow Tennis Classic Round 2 | Ashlyn Krueger | win | 6-4 6-0 |
| 2023-10-31 | Dow Tennis Classic Round 1 | Lulu Sun | win | 6-3 3-6 7-5 |
| 2023-08-22 | US Open Qualifying 1st Round | Yanina Wickmayer | loss | 6-7(3) 7-5 6-2 |
| 2023-08-05 | National Bank Open presented by Rogers Qualifying 1st Round | Peyton Stearns | loss | 4-6 6-3 6-1 |
| 2023-06-28 | Wimbledon Qualifying 2nd Round | Brenda Fruhvirtova | loss | 6-0 6-3 |
| 2023-06-27 | Wimbledon Qualifying 1st Round | Nuria Brancaccio | win | 6-2 6-2 |
| 2023-05-23 | Roland Garros Qualifying 1st Round | Petra Marcinko | loss | 3-6 6-0 6-2 |
| 2023-05-17 | Trophée Clarins Round 2 | Linda Noskova | loss | 7-5 6-2 |
| 2023-05-16 | Trophée Clarins Round 1 | Anna Bondar | win | 6-3 3-0 ret. |
| 2023-05-08 | Internazionali BNL d'Italia Qualifying 1st Round | Polina Kudermetova | loss | 6-4 6-3 |
| 2023-04-06 | Credit One Charleston Open Round 2 | Belinda Bencic | loss | 6-0 6-3 |
| 2023-04-03 | Credit One Charleston Open Round 1 | Lauren Davis | win | 4-6 6-1 6-2 |
| 2023-04-02 | Credit One Charleston Open Qualifying Final | Francesca Di Lorenzo | win | 6-4 6-2 |
| 2023-04-01 | Credit One Charleston Open Qualifying 1st Round | Gabriela Ce | win | 6-2 6-1 |
| 2023-03-23 | Miami Open presented by Itau Round 2 | Jessica Pegula | loss | 6-3 6-1 |
| 2023-03-21 | Miami Open presented by Itau Round 1 | Linda Fruhvirtova | win | 6-2 4-6 6-4 |
| 2023-03-20 | Miami Open presented by Itau Qualifying Final | Jodie Burrage | win | 6-7(2) 7-5 6-3 |
| 2023-03-19 | Miami Open presented by Itau Qualifying 1st Round | Kamilla Rakhimova | win | 6-4 6-3 |
| 2023-01-17 | Australian Open Round 1 | Caroline Garcia | loss | 6-3 6-0 |
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