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

Anastasija Sevastova vs Kayla Day

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

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Anastasija Sevastova
Latvia Age 36 Right-Handed 169 cm / 5'7"
H2H
0 – 0
0 main-draw meetings
Kayla Day
United States Age 26 Left-Handed 173 cm / 5'8"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Anastasija Sevastova #52 6-1 6-7(4) 6-2 Kayla Day #424 Match data Aug 21, 2016 Q3 Q New Haven Premier → modern equivalent WTA 500 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
Anastasija Sevastova #499 #11 3,366 1,956 209 178 54.0% 0 0 0 0 4 4
Kayla Day #117 #84 847 1,637 9 29 23.7% 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 Anastasija Sevastova Kayla Day
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 — — — — — — — 2016 1–2 33.3% #198 1,540 0 0
17 2007 1–1 50.0% #261 1,510 0 0 2017 3–5 37.5% #150 1,524 0 0
18 — — — — — — — 2018 0–2 0.0% #313 1,487 0 0
19 2009 5–9 35.7% #79 1,531 0 0 — — — — — — —
20 2010 22–15 59.5% #45 1,699 0 1 — — — — — — —
21 2011 12–18 40.0% #98 1,622 0 1 — — — — — — —
22 2012 0–1 0.0% #184 1,605 0 1 2022 0–2 0.0% #197 1,534 0 0
23 2013 2–2 50.0% #148 1,618 0 1 2023 3–6 33.3% #87 1,564 0 0
24 — — — — — — — 2024 0–7 0.0% #241 1,435 0 0
25 2015 5–3 62.5% #113 1,650 0 1 — — — — — — —
26 2016 22–19 53.7% #34 1,713 0 1 2026 2–5 28.6% #117 1,604 0 0
27 2017 37–24 60.7% #16 1,821 0 2 — — — — — — —
28 2018 44–22 66.7% #11 1,918 0 3 — — — — — — —
29 2019 27–22 55.1% #27 1,759 0 4 — — — — — — —
30 2020 1–9 10.0% #54 1,649 0 4 — — — — — — —
31 2021 17–18 48.6% #70 1,712 0 4 — — — — — — —
32 2022 1–2 33.3% #680 1,699 0 4 — — — — — — —
34 2024 4–2 66.7% #481 1,712 0 4 — — — — — — —
35 2025 9–11 45.0% #188 1,722 0 4 — — — — — — —

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 Anastasija Sevastova Kayla Day
Yr HardClayGrassCarpet Yr HardClayGrassCarpet
W L M Win % W L M Win % 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 — — — — — — — — — — — — — — — — — 2016 1 2 3 33.3% — — — — — — — — — — — —
17 2007 — — — — 1 1 2 50.0% — — — — — — — — 2017 3 4 7 42.9% 0 1 1 0.0% — — — — — — — —
18 — — — — — — — — — — — — — — — — — 2018 0 2 2 0.0% — — — — — — — — — — — —
19 2009 4 3 7 57.1% 1 3 4 25.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
20 2010 11 8 19 57.9% 11 6 17 64.7% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
21 2011 12 12 24 50.0% 0 3 3 0.0% 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
22 2012 — — — — 0 1 1 0.0% — — — — — — — — 2022 0 2 2 0.0% — — — — — — — — — — — —
23 2013 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% — — — —
25 2015 2 1 3 66.7% 3 2 5 60.0% — — — — — — — — — — — — — — — — — — — — — — — — —
26 2016 10 10 20 50.0% 8 6 14 57.1% 4 3 7 57.1% — — — — 2026 2 3 5 40.0% 0 1 1 0.0% 0 1 1 0.0% — — — —
27 2017 16 15 31 51.6% 15 7 22 68.2% 6 2 8 75.0% — — — — — — — — — — — — — — — — — — — — —
28 2018 26 14 40 65.0% 13 5 18 72.2% 5 3 8 62.5% — — — — — — — — — — — — — — — — — — — — —
29 2019 10 13 23 43.5% 13 7 20 65.0% 4 2 6 66.7% — — — — — — — — — — — — — — — — — — — — —
30 2020 1 7 8 12.5% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
31 2021 9 12 21 42.9% 4 4 8 50.0% 4 2 6 66.7% — — — — — — — — — — — — — — — — — — — — —
32 2022 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
34 2024 4 2 6 66.7% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
35 2025 5 5 10 50.0% 4 4 8 50.0% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 113 106 219 51.6% 73 51 124 58.9% 23 19 42 54.8% 0 2 2 0.0% — 7 20 27 25.9% 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 369/387 of Anastasija Sevastova's and 38/39 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 Anastasija Sevastova 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 — —/— — — — — — — — — — 2016 3/3 1.0 3.7 59.0% 55.2% 30.3% 50.6% 66.7% 44.4% 38.1%
17 2007 2/2 1.0 2.0 68.6% 61.0% 55.0% 52.2% 50.3% 59.0% 49.2% 2017 8/8 3.4 5.5 48.8% 66.2% 45.1% 51.9% 31.0% 55.7% 38.9%
18 — —/— — — — — — — — — — 2018 2/2 5.0 6.0 48.1% 68.0% 33.7% 50.0% 35.0% 49.8% 33.8%
19 2009 13/14 1.9 3.8 57.7% 60.9% 42.7% 46.5% 52.6% 53.4% 42.2% — —/— — — — — — — — — —
20 2010 34/37 1.9 3.1 59.7% 61.0% 48.4% 50.1% 50.5% 56.0% 44.6% — —/— — — — — — — — — —
21 2011 29/30 2.6 3.0 60.2% 61.2% 43.4% 43.8% 50.6% 54.3% 42.8% — —/— — — — — — — — — —
22 2012 1/1 0.0 0.0 80.0% 25.0% 0.0% 50.0% — 20.0% 28.6% 2022 2/2 4.0 2.5 66.5% 68.4% 39.1% 56.4% 50.0% 58.6% 36.6%
23 2013 4/4 5.3 6.3 52.3% 63.4% 47.3% 53.4% 39.7% 55.6% 41.3% 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%
25 2015 5/8 1.8 2.4 59.9% 62.4% 47.5% 49.0% 51.4% 56.2% 43.7% — —/— — — — — — — — — —
26 2016 39/41 2.1 2.6 56.4% 64.3% 45.3% 57.0% 48.6% 56.1% 43.1% 2026 7/8 4.0 3.4 65.3% 59.9% 47.4% 52.6% 46.8% 55.8% 40.7%
27 2017 61/61 2.1 2.3 61.2% 63.4% 47.9% 48.5% 54.1% 57.3% 45.3% — —/— — — — — — — — — —
28 2018 62/66 3.0 2.2 60.8% 66.3% 47.8% 52.6% 50.3% 58.9% 46.2% — —/— — — — — — — — — —
29 2019 48/49 2.5 2.0 58.8% 64.8% 50.3% 52.2% 46.3% 58.7% 44.1% — —/— — — — — — — — — —
30 2020 10/10 2.4 2.3 60.0% 55.3% 43.1% 43.3% 31.6% 50.7% 37.0% — —/— — — — — — — — — —
31 2021 33/35 1.9 2.8 59.4% 62.1% 46.7% 54.4% 52.0% 55.9% 44.3% — —/— — — — — — — — — —
32 2022 3/3 2.7 2.7 64.0% 64.6% 38.9% 27.2% 34.9% 55.7% 41.1% — —/— — — — — — — — — —
34 2024 6/6 1.2 1.5 69.3% 65.6% 49.5% 45.5% 53.6% 60.6% 49.9% — —/— — — — — — — — — —
35 2025 19/20 2.3 3.2 65.5% 60.6% 40.7% 52.1% 38.7% 53.4% 41.0% — —/— — — — — — — — — —
Career — 369/387 2.3 2.6 60.1% 63.1% 46.7% 50.7% 49.1% 56.5% 44.1% — 38/39 3.2 3.8 59.1% 62.2% 42.6% 53.5% 41.1% 54.4% 38.4%

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 Anastasija Sevastova 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 — — — — — — — — — — — — — — — — 2016 1540 107.8 -2.89 +0.53 0.685 42.0% +14 — — 0.0% -4.75 — — — -0.17
17 2007 1510 107.3 +0.28 -0.88 1.201 53.9% — — — 60.0% +1.60 0–1 0–1 — -0.14 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 2009 1532 109.5 -0.95 -1.06 0.905 47.8% +22 -5 — 37.5% -0.72 2–2 (50%) 0–2 — -0.37 2019 1463 99.5 — — — — — — — — — — — — —
20 2010 1700 136.1 +0.52 +1.27 1.013 50.4% -18 -56 — 50.0% +0.10 10–4 (71%) 5–3 (63%) 112.0 -1.72 2020 1450 — — — — — — — — — — — — — —
21 2011 1623 125.8 -0.67 -0.46 0.936 48.5% +20 -35 — 47.7% -0.23 2–7 (22%) 5–4 (56%) 93.7 -1.25 — — — — — — — — — — — — — — — —
22 2012 1606 — -4.79 -0.63 0.357 26.3% — — — — — — — — -0.02 2022 1535 99.5 -0.90 -1.76 0.884 47.0% — — — 0.0% -2.00 — 0–1 — +0.44
23 2013 1618 108.8 -1.89 -0.55 0.931 48.2% +29 — — 44.4% -0.56 1–0 1–0 — -0.36 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 2015 1651 116.6 -0.45 +1.55 0.997 49.7% +20 -58 — 63.2% +0.10 1–2 (33%) 4–0 (100%) 103.0 +0.37 2025 1474 — — — — — — — — — — — — — —
26 2016 1713 129.3 +0.55 -0.36 0.984 49.6% -12 -43 -134 53.9% +0.07 5–4 (56%) 5–2 (71%) 104.2 -0.43 2026 1604 129.8 -0.29 -0.02 0.921 48.5% -18 — — 35.3% -0.94 1–2 (33%) 1–1 — -0.59
27 2017 1821 142.6 +0.98 +2.00 1.060 51.3% -53 -13 -127 58.1% +0.59 9–7 (56%) 4–9 (31%) 102.4 +0.20 — — — — — — — — — — — — — — — —
28 2018 1918 151.6 +2.10 +3.32 1.125 52.4% -17 -8 -182 60.1% +0.74 17–7 (71%) 8–8 (50%) 106.2 -0.51 — — — — — — — — — — — — — — — —
29 2019 1759 136.0 +1.82 +0.39 1.068 51.1% -11 +149 0 56.8% +0.43 9–13 (41%) 6–5 (55%) 93.5 +2.29 — — — — — — — — — — — — — — — —
30 2020 1649 114.7 -2.98 -3.36 0.751 43.8% +22 — — 13.6% -2.27 1–1 0–3 (0%) — -0.12 — — — — — — — — — — — — — — — —
31 2021 1713 129.5 -0.41 +1.61 1.003 50.1% -94 +132 +101 50.0% +0.10 7–9 (44%) 5–7 (42%) 95.5 +0.39 — — — — — — — — — — — — — — — —
32 2022 1699 110.3 -1.74 +1.28 0.927 48.1% -77 — — 33.3% -1.17 — — — -0.20 — — — — — — — — — — — — — — — —
33 2023 1698 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
34 2024 1713 111.5 +0.69 +0.90 1.267 54.9% -42 — — 75.0% +1.75 — — — +0.34 — — — — — — — — — — — — — — — —
35 2025 1723 125.9 -2.14 -1.19 0.879 47.2% -4 +53 — 43.8% -0.58 5–3 (63%) 2–1 (67%) 104.0 -0.64 — — — — — — — — — — — — — — — —
36 2026 1676 90.8 — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1956 140.5 +0.50 +0.97 1.015 50.2% -21 +17 -80 52.8% +0.18 69–60 (53%) 45–45 (50%) 104.7 -0.57 — 1637 116.0 -1.09 -1.64 0.842 46.7% -9 +30 — 29.9% -1.39 3–10 (23%) 2–6 (25%) 91.1 +2.87

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.