Katherine Sebov
all rivalries →| 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 |
H2H data updated: 2026-09-23 00:00 UTC
Katherine Sebov vs Aoi Ito H2H: 1-0
Katherine Sebov holds a 1–0 lead over Aoi Ito in their WTA head-to-head. Across 1 main-draw meeting, Katherine Sebov leads 1–0 on hard courts. Most recently, Katherine Sebov won the 2026 Canadian Open first round 6-3 6-4.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
1
–
0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Katherine Sebov | 6-3 6-4 | Aoi Ito | Match data | Aug 2, 2026 | R128 | Canadian Open | WTA 1000 | Hard |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Katherine Sebov | #222 | #136 | 520 | 1,620 | 4 | 9 | 30.8% | 0 | 0 | 0 | 0 | 0 | 0 |
| Aoi Ito | #372 | #82 | 864 | 1,732 | 7 | 13 | 35.0% | 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 | Katherine Sebov | Aoi Ito | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 20 | — | — | — | — | — | — | — | 2024 | 3–2 | 60.0% | #126 | 1,572 | 0 | 0 |
| 21 | — | — | — | — | — | — | — | 2025 | 4–7 | 36.4% | #136 | 1,707 | 0 | 0 |
| 22 | 2021 | 0–1 | 0.0% | #347 | 1,453 | 0 | 0 | 2026 | 0–4 | 0.0% | #372 | 1,542 | 0 | 0 |
| 23 | 2022 | 1–2 | 33.3% | #221 | 1,518 | 0 | 0 | — | — | — | — | — | — | — |
| 24 | 2023 | 2–3 | 40.0% | #145 | 1,597 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2025 | 0–1 | 0.0% | #248 | 1,500 | 0 | 0 | — | — | — | — | — | — | — |
| 27 | 2026 | 1–2 | 33.3% | #222 | 1,504 | 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 | Katherine Sebov | Aoi Ito | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 % | |||
| 20 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 3 | 2 | 5 | 60.0% | — | — | — | — | — | — | — | — |
| 21 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 4 | 6 | 10 | 40.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 22 | 2021 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | 2026 | 0 | 3 | 3 | 0.0% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 23 | 2022 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2023 | 1 | 2 | 3 | 33.3% | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 3 | 7 | 10 | 30.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | 7 | 11 | 18 | 38.9% | — | — | — | — | 0 | 2 | 2 | 0.0% |
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 13/13 of Katherine Sebov's and 19/20 of Aoi Ito'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 | Katherine Sebov | Aoi Ito | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | —/— | — | — | — | — | — | — | — | — | — | 2024 | 5/5 | 3.0 | 2.6 | 77.0% | 58.2% | 48.0% | 57.7% | 44.8% | 55.5% | 43.4% |
| 21 | — | —/— | — | — | — | — | — | — | — | — | — | 2025 | 10/11 | 1.1 | 4.2 | 67.5% | 53.2% | 41.1% | 44.9% | 53.0% | 49.2% | 43.7% |
| 22 | 2021 | 1/1 | 1.0 | 1.0 | 72.2% | 48.7% | 26.7% | 58.3% | 16.7% | 42.6% | 35.7% | 2026 | 4/4 | 1.3 | 4.8 | 67.3% | 54.9% | 36.4% | 49.2% | 48.8% | 48.6% | 39.9% |
| 23 | 2022 | 3/3 | 0.0 | 5.3 | 78.4% | 56.0% | 33.9% | 56.1% | 33.3% | 51.4% | 36.8% | — | —/— | — | — | — | — | — | — | — | — | — |
| 24 | 2023 | 5/5 | 0.6 | 2.2 | 79.4% | 52.4% | 40.4% | 39.1% | 41.7% | 50.0% | 33.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 1/1 | 0.0 | 1.0 | 62.5% | 25.0% | 16.7% | 33.3% | — | 21.9% | 19.4% | — | —/— | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 3/3 | 0.0 | 4.0 | 69.5% | 53.9% | 41.3% | 42.3% | 50.0% | 50.1% | 39.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| Career | — | 13/13 | 0.3 | 3.2 | 75.0% | 51.2% | 36.2% | 44.8% | 36.5% | 47.6% | 34.6% | — | 19/20 | 1.6 | 3.9 | 69.9% | 54.8% | 41.9% | 49.2% | 50.0% | 50.7% | 42.8% |
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 | Katherine Sebov | Aoi Ito | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2023 | 1480 | 95.7 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2019 | 1497 | 99.8 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2024 | 1573 | 117.8 | -1.28 | +0.50 | 0.976 | 49.7% | +20 | — | — | 50.0% | +0.42 | 2–0 | 0–1 | — | -0.24 |
| 21 | 2020 | 1460 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2025 | 1708 | 125.5 | -2.98 | -0.39 | 0.859 | 46.5% | +37 | — | — | 39.3% | -1.18 | 3–3 (50%) | 2–0 | — | -0.02 |
| 22 | 2021 | 1454 | 97.6 | -0.78 | -1.54 | 0.622 | 39.1% | — | — | — | 0.0% | -4.50 | — | — | — | -0.11 | 2026 | 1542 | 99.1 | -1.72 | -2.53 | 0.776 | 43.9% | +65 | — | — | 11.1% | -2.33 | 0–1 | 0–1 | — | +0.44 |
| 23 | 2022 | 1518 | 106.3 | -1.51 | -1.66 | 0.757 | 44.7% | +30 | — | — | 37.5% | -1.12 | 1–1 | — | — | +0.02 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 24 | 2023 | 1598 | 113.4 | -2.12 | -1.26 | 0.668 | 42.4% | -6 | — | — | 33.3% | -1.25 | 2–0 | — | — | -0.57 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2024 | 1524 | 99.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2025 | 1501 | 100.3 | -1.18 | -5.18 | 0.248 | 20.6% | — | — | — | 0.0% | -6.00 | — | — | — | -0.04 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2026 | 1504 | 112.0 | -1.39 | -0.81 | 0.788 | 45.6% | +25 | — | — | 33.3% | -1.33 | — | 0–2 | — | +0.12 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | — | 1621 | 110.3 | -1.64 | -1.57 | 0.661 | 41.7% | +16 | — | — | 30.0% | -1.76 | 3–1 (75%) | 0–2 | — | -4.46 | — | 1732 | 115.9 | -2.27 | -0.61 | 0.869 | 46.8% | +37 | — | — | 36.7% | -1.00 | 5–4 (56%) | 2–2 (50%) | 101.5 | +0.90 |
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.
Aoi Ito
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Oksana Selekhmeteva | 0 | 1 | 1 | Aug 31, 2026 | H2H |
| Katherine Sebov | 0 | 1 | 1 | Aug 2, 2026 | H2H |
| Alina Korneeva | 0 | 1 | 1 | Jul 14, 2026 | H2H |
| Dayana Yastremska | 0 | 1 | 1 | Jun 29, 2026 | H2H |
| Madison Keys | 0 | 1 | 1 | Aug 11, 2025 | H2H |