H2H data updated: 2026-11-07 00:00 UTC

Kayla Day vs Hanyu Guo

Compare the head-to-head record, career totals, season-by-season performance, and match log for Kayla Day vs Hanyu Guo.

United States Age 27 Left-Handed 173 cm / 5'8"
H2H
0 – 0
0 main-draw meetings
China Age 28 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kayla Day #127 7-5 6-2 Hanyu Guo #168 Match data Aug 1, 2026 Q1 Q 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.

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
Kayla Day #121 #84 847 1,638 11 31 26.2% 0 0 0 0 0 0
Hanyu Guo #213 #156 493 1,622 4 12 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 Kayla Day Hanyu Guo
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 2016 1–2 33.3% #198 1,540 0 0 — — — — — — —
17 2017 3–5 37.5% #150 1,524 0 0 — — — — — — —
18 2018 0–2 0.0% #313 1,487 0 0 — — — — — — —
19 — — — — — — — 2017 0–1 0.0% #304 1,520 0 0
20 — — — — — — — 2018 0–1 0.0% #422 1,465 0 0
22 2022 0–2 0.0% #197 1,534 0 0 — — — — — — —
23 2023 3–6 33.3% #87 1,564 0 0 — — — — — — —
24 2024 0–7 0.0% #241 1,435 0 0 — — — — — — —
25 — — — — — — — 2023 0–2 0.0% #415 1,422 0 0
26 2026 4–7 36.4% #121 1,602 0 0 — — — — — — —
27 — — — — — — — 2025 2–5 28.6% #171 1,548 0 0
28 — — — — — — — 2026 2–3 40.0% #213 1,592 0 0

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 Kayla Day Hanyu Guo
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 2016 1540 104.9 -2.89 +0.53 0.685 42.0% +14 — — 0.0% -4.75 — — — -0.17 — — — — — — — — — — — — — — — —
17 2017 1524 111.0 0.00 -2.37 0.877 47.2% +13 — — 45.0% -0.85 1–3 (25%) — — -0.14 — — — — — — — — — — — — — — — —
18 2018 1487 91.2 -2.87 -2.16 0.673 41.8% — — — 20.0% -3.20 0–1 — — +0.16 — — — — — — — — — — — — — — — —
19 2019 1463 99.5 — — — — — — — — — — — — — 2017 1521 105.5 +2.91 0.00 0.711 45.0% — — — 0.0% -2.50 — 0–1 — -0.20
20 2020 1450 — — — — — — — — — — — — — — 2018 1466 95.9 +0.43 -1.68 0.853 46.2% — — — 0.0% -3.00 — — — -0.08
21 — — — — — — — — — — — — — — — — 2019 1432 95.1 — — — — — — — — — — — — —
22 2022 1535 97.1 -0.90 -1.76 0.884 47.0% — — — 0.0% -2.00 — 0–1 — +0.44 — — — — — — — — — — — — — — — —
23 2023 1565 120.2 -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 1476 — — — — — — — — — — — — — — 2023 1423 102.3 -0.24 +0.75 0.732 43.1% — — — 0.0% -3.75 — — — -0.05
26 2026 1603 131.5 +0.09 -1.35 0.955 49.6% -22 — — 45.8% -0.17 1–3 (25%) 2–3 (40%) 99.1 -0.41 2024 1414 — — — — — — — — — — — — — —
27 — — — — — — — — — — — — — — — — 2025 1548 129.7 -3.03 +1.00 0.853 46.1% +25 — — 35.3% -0.88 1–2 (33%) 1–1 — +0.16
28 — — — — — — — — — — — — — — — — 2026 1593 113.6 -1.47 +1.11 0.848 46.4% +7 — — 38.5% -1.23 2–1 (67%) 2–1 (67%) — -0.27
Career — 1638 117.2 -0.91 -1.83 0.857 47.1% -12 +30 — 33.0% -1.16 3–11 (21%) 3–8 (27%) 90.7 +3.02 — 1623 119.0 -1.40 +0.74 0.825 45.7% +18 — — 28.9% -1.50 3–3 (50%) 3–3 (50%) 101.1 -2.75

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.