H2H data updated: 2026-09-23 00:00 UTC

Diane Parry vs Kayla Day H2H: 0-1

Kayla Day holds a 1–0 lead over Diane Parry in their WTA head-to-head. Across 1 main-draw meeting, Kayla Day leads 1–0 on hard courts. Most recently, Kayla Day won the 2026 Canadian Open first round 3-6 6-3 7-5.

France Age 24 Right-Handed 170 cm / 5'7"
H2H
0 1
1 main-draw meetings
United States Age 26 Left-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kayla Day #131 3-6 6-3 7-5 Diane Parry #64 Match data Aug 3, 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
Diane Parry #30 #30 1,611 1,845 72 71 50.3% 0 0 0 1 0 1
Kayla Day #118 #84 847 1,637 10 30 25.0% 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 Diane Parry Kayla Day
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2019 1–2 33.3% #338 1,502 0 0 2016 1–2 33.3% #198 1,540 0 0
17 2020 0–1 0.0% #301 1,464 0 0 2017 3–5 37.5% #150 1,524 0 0
18 2021 0–2 0.0% #115 1,591 0 0 2018 0–2 0.0% #313 1,487 0 0
19 2022 13–13 50.0% #112 1,646 0 0
20 2023 6–9 40.0% #79 1,641 0 0
21 2024 25–22 53.2% #63 1,721 0 0
22 2025 8–10 44.4% #124 1,625 0 0 2022 0–2 0.0% #197 1,534 0 0
23 2026 19–12 61.3% #30 1,814 0 1 2023 3–6 33.3% #87 1,564 0 0
24 2024 0–7 0.0% #241 1,435 0 0
26 2026 3–6 33.3% #118 1,614 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 Diane Parry Kayla Day
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 %
16 2019 0 1 1 0.0% 1 1 2 50.0% 2016 1 2 3 33.3%
17 2020 0 1 1 0.0% 2017 3 4 7 42.9% 0 1 1 0.0%
18 2021 0 2 2 0.0% 2018 0 2 2 0.0%
19 2022 7 8 15 46.7% 4 4 8 50.0% 2 1 3 66.7%
20 2023 0 5 5 0.0% 5 3 8 62.5% 1 1 2 50.0%
21 2024 17 13 30 56.7% 5 6 11 45.5% 3 3 6 50.0%
22 2025 3 4 7 42.9% 3 5 8 37.5% 2 1 3 66.7% 2022 0 2 2 0.0%
23 2026 13 7 20 65.0% 4 3 7 57.1% 2 2 4 50.0% 2023 1 4 5 20.0% 2 2 4 50.0%
24 2024 0 3 3 0.0% 0 3 3 0.0% 0 1 1 0.0%
26 2026 3 4 7 42.9% 0 1 1 0.0% 0 1 1 0.0%
Career 40 38 78 51.3% 22 25 47 46.8% 10 8 18 55.6% 8 21 29 27.6% 2 7 9 22.2% 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 134/144 of Diane Parry's and 40/40 of Kayla Day'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 Diane Parry Kayla Day
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%
16 2019 3/3 2.3 3.3 59.2% 62.5% 47.8% 73.1% 25.0% 56.5% 29.3% 2016 3/3 1.0 3.7 59.0% 55.2% 30.3% 50.6% 66.7% 44.4% 38.1%
17 2020 1/1 3.0 2.0 54.2% 59.4% 33.3% 44.4% 66.7% 47.5% 38.2% 2017 8/8 3.4 5.5 48.8% 66.2% 45.1% 51.9% 31.0% 55.7% 38.9%
18 2021 2/2 1.0 3.5 69.9% 62.7% 42.6% 49.2% 41.7% 57.0% 32.3% 2018 2/2 5.0 6.0 48.1% 68.0% 33.7% 50.0% 35.0% 49.8% 33.8%
19 2022 25/26 2.4 1.8 59.6% 61.5% 47.7% 57.6% 50.5% 55.7% 42.5% —/—
20 2023 15/15 2.5 2.7 58.7% 63.4% 45.5% 48.4% 44.8% 55.8% 40.3% —/—
21 2024 45/48 5.1 2.8 55.1% 68.5% 50.0% 57.6% 41.8% 60.2% 41.4% —/—
22 2025 12/18 3.2 3.3 62.1% 67.3% 47.5% 49.0% 49.7% 59.8% 40.8% 2022 2/2 4.0 2.5 66.5% 68.4% 39.1% 56.4% 50.0% 58.6% 36.6%
23 2026 31/31 4.1 3.4 58.4% 69.1% 46.1% 58.6% 46.8% 59.1% 40.5% 2023 9/9 2.2 3.0 58.1% 62.9% 43.8% 57.4% 39.7% 55.0% 39.3%
24 —/— 2024 7/7 3.7 3.3 66.8% 58.5% 42.2% 52.8% 37.1% 55.1% 36.5%
26 —/— 2026 9/9 4.7 4.6 64.4% 63.1% 45.7% 57.8% 48.9% 56.9% 40.7%
Career 134/144 3.8 2.8 58.0% 66.4% 47.6% 56.2% 45.4% 58.3% 40.8% 40/40 3.4 4.1 59.2% 62.8% 42.5% 54.7% 41.9% 54.7% 38.5%

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 Diane Parry Kayla Day
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
16 2019 1503 101.4 -1.25 -1.30 0.674 45.0% 33.3% -1.17 +0.18 2016 1540 107.8 -2.89 +0.53 0.685 42.0% +14 0.0% -4.75 -0.17
17 2020 1465 97.7 -0.30 -1.23 0.727 43.0% 0.0% -3.00 0.00 2017 1524 111.0 0.00 -2.37 0.877 47.2% +13 45.0% -0.85 1–3 (25%) -0.14
18 2021 1591 100.9 +1.03 -2.35 0.751 45.9% 20.0% -1.60 0–1 +0.11 2018 1487 91.2 -2.87 -2.16 0.673 41.8% 20.0% -3.20 0–1 +0.16
19 2022 1646 119.9 -0.42 -0.28 0.959 49.4% -101 +12 +74 48.3% -0.34 4–4 (50%) 4–4 (50%) 101.1 -0.65 2019 1463 99.5
20 2023 1642 111.9 -0.45 -1.72 0.911 47.9% -212 +131 42.9% -0.57 2–3 (40%) 0–3 (0%) 96.2 -0.24 2020 1450
21 2024 1722 135.1 +2.52 -1.62 1.038 50.7% -55 +35 +55 52.7% +0.11 11–9 (55%) 9–5 (64%) 109.9 +0.64
22 2025 1625 122.0 +1.29 -1.19 1.017 50.6% -34 +25 +199 43.9% -0.22 3–2 (60%) 4–1 (80%) 103.8 +0.40 2022 1535 99.5 -0.90 -1.76 0.884 47.0% 0.0% -2.00 0–1 +0.44
23 2026 1815 130.6 +1.83 -1.25 0.990 50.1% -70 -77 +1 56.3% +0.21 7–2 (78%) 5–3 (63%) 109.4 +1.04 2023 1565 118.9 -0.78 -1.35 0.874 47.7% -48 +5 31.6% -0.84 1–0 0–1 +0.61
24 2024 1436 102.7 -2.31 -3.54 0.812 46.2% -2 +63 22.2% -1.61 0–4 (0%) 1–3 (25%) 92.8 +0.78
25 2025 1474
26 2026 1615 131.4 +0.05 -0.15 0.945 49.1% -20 40.9% -0.50 1–3 (25%) 2–3 (40%) 99.1 -0.47
Career 1845 127.8 +1.24 -1.26 0.979 49.7% -76 +28 +72 49.4% -0.13 27–21 (56%) 22–16 (58%) 111.8 +1.03 1637 116.8 -0.97 -1.59 0.851 46.9% -10 +30 31.5% -1.26 3–11 (21%) 3–8 (27%) 90.7 +3.03

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.