H2H data updated: 2026-09-13 00:00 UTC
Compare the head-to-head record, career totals, season-by-season performance, and match log for Viktoriya Tomova vs Katherine Sebov.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Viktoriya Tomova | 6-1 6-4 | Katherine Sebov | Match data | Jul 26, 2025 | Q1 | Canadian Open | WTA 1000 | Hard |
1 qualifying meeting shown in the table; qualifying is excluded from the H2H score. Arrows show an edition's recorded category and documented modern equivalent; unresolved editions keep their recorded category. Asterisked totals include editions mapped from documented historical predecessor categories. Mapping details.
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 including documented historical predecessor categories | Finals | 500 including documented historical predecessor categories | 250 including documented historical predecessor categories | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Viktoriya Tomova | #239 | #46 | 1,235 | 1,763 | 54 | 105 | 34.0% | 0 | 0 | 0 | 0 | 0 | 0 |
| Katherine Sebov | #214 | #136 | 520 | 1,620 | 4 | 9 | 30.8% | 0 | 0 | 0 | 0 | 0 | 0 |
Seasons are aligned by the age each player spent most of that calendar year. GS and Titles are cumulative career totals through that season.
| Age | Viktoriya Tomova | Katherine Sebov | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 22 | 2017 | 2–4 | 33.3% | #145 | 1,508 | 0 | 0 | 2021 | 0–1 | 0.0% | #347 | 1,453 | 0 | 0 |
| 23 | 2018 | 3–6 | 33.3% | #156 | 1,498 | 0 | 0 | 2022 | 1–2 | 33.3% | #221 | 1,518 | 0 | 0 |
| 24 | 2019 | 1–4 | 20.0% | #148 | 1,546 | 0 | 0 | 2023 | 2–3 | 40.0% | #145 | 1,597 | 0 | 0 |
| 25 | 2020 | 1–3 | 25.0% | #139 | 1,526 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2021 | 6–11 | 35.3% | #117 | 1,442 | 0 | 0 | 2025 | 0–1 | 0.0% | #248 | 1,500 | 0 | 0 |
| 27 | 2022 | 5–10 | 33.3% | #90 | 1,601 | 0 | 0 | 2026 | 1–2 | 33.3% | #214 | 1,529 | 0 | 0 |
| 28 | 2023 | 4–17 | 19.0% | #80 | 1,643 | 0 | 0 | — | — | — | — | — | — | — |
| 29 | 2024 | 22–27 | 44.9% | #53 | 1,715 | 0 | 0 | — | — | — | — | — | — | — |
| 30 | 2025 | 9–19 | 32.1% | #131 | 1,656 | 0 | 0 | — | — | — | — | — | — | — |
| 31 | 2026 | 1–4 | 20.0% | #239 | 1,569 | 0 | 0 | — | — | — | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Results cover completed main-draw matches. Bold green marks the higher win percentage when both players have at least 5 matches on that surface at the aligned age.
| Age | Viktoriya Tomova | Katherine Sebov | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | W | L | M | Win % | |||
| 22 | 2017 | 1 | 1 | 2 | 50.0% | 1 | 3 | 4 | 25.0% | — | — | — | — | 2021 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | 2018 | 1 | 2 | 3 | 33.3% | 1 | 3 | 4 | 25.0% | 1 | 1 | 2 | 50.0% | 2022 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 24 | 2019 | 1 | 3 | 4 | 25.0% | — | — | — | — | 0 | 1 | 1 | 0.0% | 2023 | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — |
| 25 | 2020 | 1 | 2 | 3 | 33.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2021 | 0 | 3 | 3 | 0.0% | 6 | 7 | 13 | 46.2% | 0 | 1 | 1 | 0.0% | 2025 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 27 | 2022 | 2 | 5 | 7 | 28.6% | 0 | 3 | 3 | 0.0% | 3 | 2 | 5 | 60.0% | 2026 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 28 | 2023 | 2 | 8 | 10 | 20.0% | 1 | 5 | 6 | 16.7% | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 11 | 17 | 28 | 39.3% | 8 | 8 | 16 | 50.0% | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2025 | 5 | 9 | 14 | 35.7% | 3 | 7 | 10 | 30.0% | 1 | 3 | 4 | 25.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 0 | 2 | 2 | 0.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 24 | 52 | 76 | 31.6% | 21 | 39 | 60 | 35.0% | 9 | 14 | 23 | 39.1% | — | 3 | 7 | 10 | 30.0% | 1 | 2 | 3 | 33.3% | — | — | — | — |
Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 145/159 of Viktoriya Tomova's and 13/13 of Katherine Sebov's main draw matches. Sample is shown as matches with detailed serve and return statistics / total main draw matches. Bold green marks the stronger value when both stat samples contain at least 5 matches; lower is better for DFs/M.
| Age | Viktoriya Tomova | Katherine Sebov | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | Yr | Sample | Aces/M | DFs/M | 1st Sv% | 1st Pts% | 2nd Pts% | BP Saved% | BP Conv% | Svc Pts% | Ret Pts% | |
| 22 | 2017 | 6/6 | 1.7 | 1.5 | 72.8% | 60.3% | 46.1% | 35.0% | 44.5% | 56.0% | 42.5% | 2021 | 1/1 | 1.0 | 1.0 | 72.2% | 48.7% | 26.7% | 58.3% | 16.7% | 42.6% | 35.7% |
| 23 | 2018 | 9/9 | 1.1 | 2.9 | 66.6% | 48.1% | 37.1% | 47.8% | 38.3% | 44.2% | 44.9% | 2022 | 3/3 | 0.0 | 5.3 | 78.4% | 56.0% | 33.9% | 56.1% | 33.3% | 51.4% | 36.8% |
| 24 | 2019 | 5/5 | 0.8 | 3.4 | 62.3% | 58.7% | 39.4% | 41.9% | 45.2% | 51.2% | 39.3% | 2023 | 5/5 | 0.6 | 2.2 | 79.4% | 52.4% | 40.4% | 39.1% | 41.7% | 50.0% | 33.4% |
| 25 | 2020 | 4/4 | 1.3 | 3.8 | 65.2% | 49.0% | 42.4% | 36.7% | 50.7% | 46.8% | 45.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2021 | 17/17 | 0.8 | 3.3 | 68.7% | 54.9% | 42.6% | 41.9% | 48.8% | 51.0% | 45.3% | 2025 | 1/1 | 0.0 | 1.0 | 62.5% | 25.0% | 16.7% | 33.3% | — | 21.9% | 19.4% |
| 27 | 2022 | 15/15 | 0.9 | 2.4 | 68.8% | 57.4% | 45.0% | 54.4% | 43.5% | 53.5% | 40.8% | 2026 | 3/3 | 0.0 | 4.0 | 69.5% | 53.9% | 41.3% | 42.3% | 50.0% | 50.1% | 39.3% |
| 28 | 2023 | 20/21 | 1.5 | 3.3 | 63.5% | 57.3% | 39.6% | 45.1% | 45.1% | 50.8% | 39.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 47/49 | 1.3 | 3.0 | 65.3% | 59.4% | 46.0% | 50.8% | 44.0% | 54.8% | 44.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 30 | 2025 | 17/28 | 1.4 | 3.8 | 61.4% | 54.3% | 38.9% | 47.5% | 42.6% | 48.1% | 43.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 5/5 | 1.6 | 4.8 | 62.5% | 54.5% | 40.1% | 55.7% | 48.9% | 48.7% | 44.6% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 145/159 | 1.2 | 3.1 | 65.6% | 56.6% | 42.7% | 47.6% | 44.6% | 51.7% | 43.2% | — | 13/13 | 0.3 | 3.2 | 75.0% | 51.2% | 36.2% | 44.8% | 36.5% | 47.6% | 34.6% |
Seasons are aligned by the age each player spent most of that calendar year. Metrics use eligible main-draw results; point statistics use matches with detailed data. Bold green marks the stronger value when both underlying samples are sufficient. Lower is better for Schedule because a negative value means a tougher schedule. Career Schedule is normalized per 100 matches.
| Age | Viktoriya Tomova | Katherine Sebov | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | Yr | Elo | P+ | Serve+ | Return+ | PD | TPW% | Hard Elo | Clay Elo | Grass Elo | Set Win % | Set Margin | Dec. Set | Tiebreak | Pressure+ | Schedule | |
| 18 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1499 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1511 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1497 | 99.8 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2016 | 1497 | 105.4 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2020 | 1460 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2017 | 1509 | 98.4 | -0.79 | +0.52 | 0.967 | 49.1% | — | +67 | — | 30.8% | -1.08 | 1–2 (33%) | 1–1 | — | +0.01 | 2021 | 1454 | 97.6 | -0.78 | -1.54 | 0.622 | 39.1% | — | — | — | 0.0% | -4.50 | — | — | — | -0.11 |
| 23 | 2018 | 1498 | 104.0 | -5.76 | -0.20 | 0.804 | 44.7% | -56 | +84 | — | 35.0% | -1.85 | 1–1 | 2–0 | — | +0.74 | 2022 | 1518 | 106.3 | -1.51 | -1.66 | 0.757 | 44.7% | +30 | — | — | 37.5% | -1.12 | 1–1 | — | — | +0.02 |
| 24 | 2019 | 1546 | 105.0 | -2.47 | -0.75 | 0.807 | 45.5% | -49 | — | — | 25.0% | -1.67 | 1–1 | — | — | +0.17 | 2023 | 1598 | 113.4 | -2.12 | -1.26 | 0.668 | 42.4% | -6 | — | — | 33.3% | -1.25 | 2–0 | — | — | -0.57 |
| 25 | 2020 | 1526 | 109.2 | -2.67 | +0.48 | 0.848 | 46.0% | -30 | — | — | 30.0% | -0.70 | 1–1 | 0–2 | — | +0.02 | 2024 | 1524 | 99.0 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2021 | 1442 | 107.4 | -3.41 | +0.59 | 0.924 | 48.1% | -35 | +60 | — | 40.5% | -0.60 | 3–5 (38%) | 1–0 | — | +0.90 | 2025 | 1501 | 100.3 | -1.18 | -5.18 | 0.248 | 20.6% | — | — | — | 0.0% | -6.00 | — | — | — | -0.04 |
| 27 | 2022 | 1602 | 113.8 | -1.76 | -1.10 | 0.877 | 47.3% | -117 | +19 | +102 | 36.4% | -0.76 | 3–2 (60%) | 0–2 | — | -0.44 | 2026 | 1530 | 112.0 | -0.99 | -0.75 | 0.788 | 45.6% | +32 | — | — | 33.3% | -1.33 | — | 0–2 | — | +0.13 |
| 28 | 2023 | 1644 | 119.7 | -3.62 | -1.92 | 0.809 | 45.4% | -12 | -6 | -29 | 28.0% | -1.76 | 2–6 (25%) | 1–5 (17%) | 93.5 | -1.26 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 29 | 2024 | 1715 | 131.7 | -2.17 | +0.80 | 0.982 | 49.6% | -48 | -21 | -1 | 48.6% | -0.28 | 4–11 (27%) | 11–8 (58%) | 96.9 | +0.48 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 30 | 2025 | 1656 | 118.7 | -5.52 | +0.08 | 0.844 | 45.8% | -32 | -33 | +50 | 34.4% | -1.31 | 2–3 (40%) | 3–3 (50%) | 98.6 | -1.00 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 31 | 2026 | 1569 | 108.0 | -2.32 | +0.56 | 0.871 | 46.7% | — | +26 | — | 27.3% | -1.54 | 0–1 | 0–1 | — | -0.36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1764 | 118.8 | -3.06 | -0.02 | 0.896 | 47.5% | -46 | +14 | +29 | 38.0% | -0.95 | 18–33 (35%) | 19–22 (46%) | 93.9 | -0.47 | — | 1621 | 110.3 | -1.54 | -1.56 | 0.661 | 41.7% | +19 | — | — | 30.0% | -1.76 | 3–1 (75%) | 0–2 | — | -4.38 |
Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Tatjana Maria | 4 | 0 | 4 | Jul 16, 2025 | H2H |
| Maria Sakkari | 0 | 4 | 4 | Mar 8, 2025 | H2H |
| Ekaterina Alexandrova | 1 | 3 | 4 | Aug 28, 2024 | H2H |
| Xinyu Wang | 0 | 4 | 4 | Jul 3, 2024 | H2H |
| Danielle Collins | 0 | 3 | 3 | Jul 27, 2025 | H2H |
| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Marta Kostyuk | 0 | 2 | 2 | Aug 4, 2026 | H2H |
| Aoi Ito | 1 | 0 | 1 | Aug 2, 2026 | H2H |
| Elvina Kalieva | 0 | 1 | 1 | Jul 28, 2026 | H2H |
| Katie Volynets | 0 | 1 | 1 | Mar 31, 2025 | H2H |
| Belinda Bencic | 0 | 1 | 1 | Apr 6, 2023 | H2H |