H2H data updated: 2026-10-29 00:00 UTC

Katie Volynets vs Aoi Ito H2H: 0-1

Aoi Ito holds a 1–0 lead over Katie Volynets in their WTA head-to-head. Across 1 main-draw meeting, Aoi Ito leads 1–0 on hard courts. Most recently, Aoi Ito won the 2025 Canadian Open first round 6-2 2-6 6-2.

United States Age 24 Right-Handed 170 cm / 5'7"
H2H
0 – 1
1 main-draw meetings
Japan Age 22 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Aoi Ito #105 6-2 2-6 6-2 Katie Volynets #108 Match data Jul 27, 2025 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
Katie Volynets #81 #56 1,042 1,851 47 86 35.3% 0 0 0 0 0 0
Aoi Ito #300 #82 864 1,733 7 15 31.8% 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 Katie Volynets Aoi Ito
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 2019 0–2 0.0% #394 1,482 0 0 — — — — — — —
18 2020 1–1 50.0% #316 1,459 0 0 — — — — — — —
19 2021 0–6 0.0% #180 1,398 0 0 — — — — — — —
20 2022 2–6 25.0% #114 1,447 0 0 2024 3–2 60.0% #126 1,572 0 0
21 2023 7–13 35.0% #108 1,540 0 0 2025 4–7 36.4% #136 1,709 0 0
22 2024 13–17 43.3% #58 1,713 0 0 2026 0–6 0.0% #300 1,565 0 0
23 2025 11–21 34.4% #93 1,748 0 0 — — — — — — —
24 2026 13–20 39.4% #81 1,781 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 Katie Volynets Aoi Ito
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 %
17 2019 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
18 2020 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — —
19 2021 0 3 3 0.0% 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — — — — — —
20 2022 1 3 4 25.0% 1 2 3 33.3% 0 1 1 0.0% 2024 3 2 5 60.0% — — — — — — — —
21 2023 7 7 14 50.0% 0 3 3 0.0% 0 3 3 0.0% 2025 4 6 10 40.0% — — — — 0 1 1 0.0%
22 2024 9 13 22 40.9% 3 3 6 50.0% 1 1 2 50.0% 2026 0 5 5 0.0% — — — — 0 1 1 0.0%
23 2025 6 14 20 30.0% 4 5 9 44.4% 1 2 3 33.3% — — — — — — — — — — — — —
24 2026 10 13 23 43.5% 2 5 7 28.6% 1 2 3 33.3% — — — — — — — — — — — — —
Career — 34 56 90 37.8% 10 19 29 34.5% 3 11 14 21.4% — 7 13 20 35.0% — — — — 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 126/133 of Katie Volynets's and 21/22 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 Katie Volynets 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%
17 2019 2/2 2.0 2.0 65.1% 60.3% 41.0% 43.8% 60.0% 53.8% 33.7% — —/— — — — — — — — — —
18 2020 2/2 0.0 9.5 71.4% 67.0% 35.0% 31.3% 34.9% 57.7% 44.1% — —/— — — — — — — — — —
19 2021 6/6 0.8 2.8 73.8% 54.6% 45.5% 54.2% 38.4% 52.0% 39.5% — —/— — — — — — — — — —
20 2022 8/8 0.5 2.8 72.9% 51.4% 45.1% 49.4% 37.2% 49.5% 46.1% 2024 5/5 3.0 2.6 77.0% 58.2% 48.0% 57.7% 44.8% 55.5% 43.4%
21 2023 20/20 1.5 3.2 68.6% 56.2% 42.4% 44.6% 49.0% 51.9% 42.1% 2025 10/11 1.1 4.2 67.5% 53.2% 41.1% 44.9% 53.0% 49.2% 43.7%
22 2024 30/30 0.9 1.4 76.8% 57.1% 45.3% 49.5% 48.6% 54.4% 44.7% 2026 6/6 1.3 4.5 61.9% 51.3% 36.0% 44.4% 47.0% 45.7% 37.5%
23 2025 25/32 0.8 0.6 78.7% 55.1% 44.2% 45.7% 51.7% 52.6% 46.0% — —/— — — — — — — — — —
24 2026 33/33 1.2 1.5 75.5% 58.7% 45.5% 53.8% 46.9% 55.8% 45.3% — —/— — — — — — — — — —
Career — 126/133 1.0 1.8 74.9% 56.7% 44.4% 48.9% 47.6% 53.6% 44.3% — 21/22 1.6 3.9 68.1% 53.8% 41.3% 47.8% 49.3% 49.7% 41.9%

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 Katie Volynets 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
17 2019 1483 107.7 +0.24 +0.26 0.729 44.0% — — — 20.0% -2.20 0–1 1–1 — -0.21 — — — — — — — — — — — — — — — —
18 2020 1460 100.3 -0.09 +1.26 1.043 50.2% — — — 60.0% -0.20 0–1 1–0 — +0.13 — — — — — — — — — — — — — — — —
19 2021 1398 99.1 -2.67 -2.35 0.822 45.9% +23 — — 14.3% -1.86 0–2 0–2 — +0.04 2023 1480 95.7 — — — — — — — — — — — — —
20 2022 1447 110.2 -2.55 +1.86 0.911 47.8% +8 +8 — 33.3% -0.90 2–3 (40%) 0–1 — -0.02 2024 1573 117.8 -1.28 +0.50 0.976 49.7% +20 — — 50.0% +0.42 2–0 0–1 — -0.24
21 2023 1541 114.9 -3.95 -1.09 0.875 47.1% -2 +23 -130 36.7% -0.82 5–4 (56%) 0–1 — +0.32 2025 1709 125.8 -2.98 -0.39 0.859 46.5% +37 — — 39.3% -1.18 3–3 (50%) 2–0 — -0.09
22 2024 1713 132.0 -1.58 +1.87 0.979 49.6% -43 +78 — 47.9% -0.14 4–9 (31%) 5–6 (45%) 96.0 -1.41 2026 1565 105.5 -4.36 -3.30 0.691 41.5% +47 — — 7.7% -3.00 0–1 0–1 — +0.52
23 2025 1748 129.0 -3.27 +1.55 0.970 49.2% +12 -5 -289 39.7% -0.38 5–9 (36%) 1–6 (14%) 92.0 +0.53 — — — — — — — — — — — — — — — —
24 2026 1781 136.9 -0.82 +1.21 1.024 50.7% -17 -18 +4 45.0% +0.02 4–11 (27%) 4–4 (50%) 92.9 -0.52 — — — — — — — — — — — — — — — —
Career — 1852 130.0 -2.15 +0.93 0.956 49.0% -12 +14 -138 40.9% -0.42 20–40 (33%) 12–21 (36%) 89.4 -0.86 — 1734 117.4 -2.97 -1.01 0.832 45.8% +35 — — 34.0% -1.26 5–4 (56%) 2–2 (50%) 101.6 +0.86

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.