H2H data updated: 2026-09-14 00:00 UTC

Ysaline Bonaventure vs Katherine Sebov

Compare the head-to-head record, career totals, season-by-season performance, and match log for Ysaline Bonaventure vs Katherine Sebov.

Belgium Age 32 Left-Handed 178 cm / 5'10"
H2H
0 0
0 main-draw meetings
Canada Age 27 Right-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Katherine Sebov #162 (w/o) Ysaline Bonaventure #272 Match data Jan 10, 2024 Q1 Q Australian Open Grand Slam Hard
Ysaline Bonaventure #146 6-4 4-6 6-3 Katherine Sebov #205 Match data Dec 29, 2018 Q1 Q ASB Classic International modern equivalent WTA 250 Hard

2 qualifying meetings 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.

Career Comparison

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
Ysaline Bonaventure #939 #81 746 1,712 29 51 36.2% 0 0 0 0 0 0
Katherine Sebov #214 #136 520 1,620 4 9 30.8% 0 0 0 0 0 0

Career Progression by Age

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 Ysaline Bonaventure Katherine Sebov
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 2015 0–1 0.0% #170 1,499 0 0
21 2016 1–4 20.0% #229 1,467 0 0
22 2021 0–1 0.0% #347 1,453 0 0
23 2018 4–5 44.4% #146 1,489 0 0 2022 1–2 33.3% #221 1,518 0 0
24 2019 9–17 34.6% #117 1,607 0 0 2023 2–3 40.0% #145 1,597 0 0
25 2020 2–3 40.0% #122 1,587 0 0
26 2021 3–5 37.5% #235 1,563 0 0 2025 0–1 0.0% #248 1,500 0 0
27 2022 3–3 50.0% #95 1,631 0 0 2026 1–2 33.3% #214 1,529 0 0
28 2023 7–13 35.0% #189 1,580 0 0

Surface Results by Age

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 Ysaline Bonaventure Katherine Sebov
Yr HardClayGrass Yr HardClayGrass
W L M Win % W L M Win % W L M Win % W L M Win % W L M Win % W L M Win %
20 2015 0 1 1 0.0%
21 2016 0 2 2 0.0% 1 2 3 33.3%
22 2021 0 1 1 0.0%
23 2018 4 3 7 57.1% 0 2 2 0.0% 2022 1 2 3 33.3%
24 2019 5 9 14 35.7% 3 5 8 37.5% 1 3 4 25.0% 2023 1 2 3 33.3% 1 1 2 50.0%
25 2020 2 3 5 40.0%
26 2021 1 3 4 25.0% 2 2 4 50.0% 2025 0 1 1 0.0%
27 2022 3 2 5 60.0% 0 1 1 0.0% 2026 1 2 3 33.3%
28 2023 7 8 15 46.7% 0 3 3 0.0% 0 2 2 0.0%
Career 22 30 52 42.3% 6 16 22 27.3% 1 5 6 16.7% 3 7 10 30.0% 1 2 3 33.3%

Performance Progression by Age

Seasons are aligned by the age each player spent most of that calendar year. Detailed serve and return statistics available for 78/80 of Ysaline Bonaventure'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 Ysaline Bonaventure 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%
20 2015 1/1 0.0 4.0 50.0% 61.9% 38.1% 37.5% 0.0% 50.0% 31.1% —/—
21 2016 5/5 2.0 5.4 52.3% 60.5% 46.3% 42.5% 41.6% 54.3% 37.5% —/—
22 —/— 2021 1/1 1.0 1.0 72.2% 48.7% 26.7% 58.3% 16.7% 42.6% 35.7%
23 2018 7/9 1.6 4.0 59.4% 65.1% 48.5% 53.4% 52.8% 58.4% 44.6% 2022 3/3 0.0 5.3 78.4% 56.0% 33.9% 56.1% 33.3% 51.4% 36.8%
24 2019 26/26 1.5 7.2 63.4% 59.3% 39.7% 54.0% 45.2% 52.2% 41.8% 2023 5/5 0.6 2.2 79.4% 52.4% 40.4% 39.1% 41.7% 50.0% 33.4%
25 2020 5/5 3.0 6.6 60.1% 63.7% 40.9% 61.1% 41.9% 54.8% 43.8% —/—
26 2021 8/8 2.1 4.4 60.7% 63.3% 42.8% 50.0% 41.0% 55.1% 39.5% 2025 1/1 0.0 1.0 62.5% 25.0% 16.7% 33.3% 21.9% 19.4%
27 2022 6/6 2.3 6.5 57.9% 66.4% 44.6% 48.1% 47.6% 57.4% 42.3% 2026 3/3 0.0 4.0 69.5% 53.9% 41.3% 42.3% 50.0% 50.1% 39.3%
28 2023 20/20 1.7 6.1 59.6% 59.3% 45.8% 47.1% 44.3% 53.7% 38.4% —/—
Career 78/80 1.8 6.1 60.3% 61.2% 43.2% 50.8% 44.4% 54.1% 40.7% 13/13 0.3 3.2 75.0% 51.2% 36.2% 44.8% 36.5% 47.6% 34.6%

Advanced Statistics Comparison by Age

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 Ysaline Bonaventure 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 2015 1500 110.1 +4.35 +7.46 0.622 40.2% 0.0% -4.50 -0.40 2019 1497 99.8
21 2016 1468 103.3 +0.11 -1.39 0.821 46.3% +24 27.3% -1.64 0–1 2–1 (67%) -0.05 2020 1460
22 2021 1454 97.6 -0.78 -1.54 0.622 39.1% 0.0% -4.50 -0.11
23 2018 1489 109.3 +1.20 -1.27 1.072 51.4% +57 44.4% +0.28 0–2 +0.53 2022 1518 106.3 -1.51 -1.66 0.757 44.7% +30 37.5% -1.12 1–1 +0.02
24 2019 1608 118.4 -3.04 -0.74 0.875 47.3% +40 -151 +80 40.3% -0.76 6–9 (40%) 3–1 (75%) 99.3 +0.04 2023 1598 113.4 -2.12 -1.26 0.668 42.4% -6 33.3% -1.25 2–0 -0.57
25 2020 1588 117.1 -0.95 +0.45 0.969 49.2% +30 41.7% -0.33 1–1 0–1 -0.01 2024 1524 99.0
26 2021 1563 108.6 -0.84 -1.34 0.878 47.2% 0 -91 33.3% -0.94 2–0 0–2 -0.23 2025 1501 100.3 -1.18 -5.18 0.248 20.6% 0.0% -6.00 -0.04
27 2022 1631 116.6 -0.20 -0.37 0.993 49.7% +34 57.1% -0.22 0–2 1–0 -0.62 2026 1530 112.0 -0.99 -0.75 0.788 45.6% +32 33.3% -1.33 0–2 +0.13
28 2023 1581 116.4 -2.14 -3.55 0.829 46.1% +89 -155 36.0% -1.02 6–4 (60%) 3–6 (33%) 100.6 +0.21
30 2025 1528 89.7
Career 1712 117.1 -1.55 -1.40 0.887 47.5% +52 -109 +80 39.1% -0.77 15–17 (47%) 9–13 (41%) 98.1 -0.66 1621 110.3 -1.54 -1.56 0.661 41.7% +19 30.0% -1.76 3–1 (75%) 0–2 -4.38

Career Rivalries

Each player's five most-played main-draw opponents. The current matchup is highlighted when it appears in a player's top five.