H2H data updated: 2026-09-12 00:00 UTC

Sara Errani vs Kai-Chen Chang H2H: 1-0

Sara Errani holds a 1–0 lead over Kai-Chen Chang in their WTA head-to-head. Across 1 main-draw meeting, Sara Errani leads 1–0 on hard courts. Most recently, Sara Errani won the 2011 Pattaya round of 32 4-6 6-2 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.

Sara Errani
Italy Age 39 Right-Handed 164 cm / 5'5"
H2H
1 – 0
1 main-draw meetings
Kai-Chen Chang
Chinese Taipei Age 35 Right-Handed 167 cm / 5'6"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sara Errani #44 4-6 6-2 6-4 Kai-Chen Chang #119 Match data Feb 10, 2011* R32 Pattaya International → modern equivalent WTA 250 Hard

Estimated match date where the exact historical date is unavailable. 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
Sara Errani #476 #5 5,835 2,005 387 304 56.0% 0 0 0 1 8 9
Kai-Chen Chang #1,233 #82 808 1,646 32 59 35.2% 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 Sara Errani Kai-Chen Chang
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
18 — — — — — — — 2009 5–5 50.0% #94 1,558 0 0
19 2006 3–3 50.0% #174 1,529 0 0 2010 9–15 37.5% #117 1,565 0 0
20 2007 10–7 58.8% #69 1,613 0 0 2011 1–8 11.1% #148 1,488 0 0
21 2008 29–22 56.9% #42 1,735 0 2 2012 9–11 45.0% #86 1,579 0 0
22 2009 25–27 48.1% #47 1,655 0 2 2013 1–4 20.0% #621 1,531 0 0
23 2010 36–29 55.4% #43 1,722 0 2 — — — — — — —
24 2011 30–26 53.6% #45 1,673 0 2 2015 1–2 33.3% #134 1,529 0 0
25 2012 53–20 72.6% #6 1,897 0 6 2016 3–4 42.9% #131 1,602 0 0
26 2013 46–22 67.6% #7 1,885 0 7 2017 2–9 18.2% #219 1,536 0 0
27 2014 35–23 60.3% #14 1,773 0 7 2018 1–1 50.0% #401 1,536 0 0
28 2015 46–26 63.9% #20 1,751 0 8 — — — — — — —
29 2016 21–23 47.7% #49 1,656 0 9 — — — — — — —
30 2017 18–16 52.9% #144 1,652 0 9 — — — — — — —
31 2018 6–8 42.9% #112 1,767 0 9 — — — — — — —
32 2019 2–6 25.0% #198 1,575 0 9 — — — — — — —
33 2020 4–3 57.1% #131 1,606 0 9 — — — — — — —
34 2021 8–12 40.0% #121 1,574 0 9 — — — — — — —
35 2022 2–5 28.6% #109 1,606 0 9 — — — — — — —
36 2023 3–10 23.1% #105 1,548 0 9 — — — — — — —
37 2024 10–14 41.7% #105 1,693 0 9 — — — — — — —
38 2025 0–2 0.0% #476 1,590 0 9 — — — — — — —

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 Sara Errani Kai-Chen Chang
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 %
18 — — — — — — — — — — — — — — — — — 2009 5 5 10 50.0% — — — — — — — — — — — —
19 2006 — — — — 3 3 6 50.0% — — — — — — — — 2010 7 9 16 43.8% 1 4 5 20.0% 1 2 3 33.3% — — — —
20 2007 4 3 7 57.1% 6 4 10 60.0% — — — — — — — — 2011 1 5 6 16.7% 0 1 1 0.0% 0 2 2 0.0% — — — —
21 2008 14 10 24 58.3% 14 10 24 58.3% 1 2 3 33.3% — — — — 2012 9 8 17 52.9% 0 1 1 0.0% 0 2 2 0.0% — — — —
22 2009 16 14 30 53.3% 8 9 17 47.1% 1 3 4 25.0% 0 1 1 0.0% 2013 1 4 5 20.0% — — — — — — — — — — — —
23 2010 21 16 37 56.8% 11 10 21 52.4% 4 3 7 57.1% — — — — — — — — — — — — — — — — — — — — —
24 2011 14 16 30 46.7% 13 7 20 65.0% 3 3 6 50.0% — — — — 2015 1 2 3 33.3% — — — — — — — — — — — —
25 2012 23 14 37 62.2% 28 3 31 90.3% 2 3 5 40.0% — — — — 2016 3 4 7 42.9% — — — — — — — — — — — —
26 2013 22 15 37 59.5% 21 5 26 80.8% 0 1 1 0.0% 3 1 4 75.0% 2017 2 7 9 22.2% 0 1 1 0.0% 0 1 1 0.0% — — — —
27 2014 13 14 27 48.1% 19 6 25 76.0% 0 2 2 0.0% 3 1 4 75.0% 2018 1 1 2 50.0% — — — — — — — — — — — —
28 2015 22 17 39 56.4% 22 7 29 75.9% 2 2 4 50.0% — — — — — — — — — — — — — — — — — — — — —
29 2016 13 14 27 48.1% 7 7 14 50.0% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
30 2017 7 6 13 53.8% 11 8 19 57.9% 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — —
31 2018 1 2 3 33.3% 5 6 11 45.5% — — — — — — — — — — — — — — — — — — — — — — — — —
32 2019 0 2 2 0.0% 2 4 6 33.3% — — — — — — — — — — — — — — — — — — — — — — — — —
33 2020 1 1 2 50.0% 3 2 5 60.0% — — — — — — — — — — — — — — — — — — — — — — — — —
34 2021 2 6 8 25.0% 6 6 12 50.0% — — — — — — — — — — — — — — — — — — — — — — — — —
35 2022 0 1 1 0.0% 2 4 6 33.3% — — — — — — — — — — — — — — — — — — — — — — — — —
36 2023 1 3 4 25.0% 1 5 6 16.7% 1 2 3 33.3% — — — — — — — — — — — — — — — — — — — — —
37 2024 4 6 10 40.0% 6 7 13 46.2% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
38 2025 — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 178 160 338 52.7% 188 115 303 62.0% 15 26 41 36.6% 6 3 9 66.7% — 30 45 75 40.0% 1 7 8 12.5% 1 7 8 12.5% — — — —

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 593/692 of Sara Errani's and 84/91 of Kai-Chen Chang'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 Sara Errani Kai-Chen Chang
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%
18 — —/— — — — — — — — — — 2009 9/10 1.0 4.1 64.7% 59.0% 43.6% 58.2% 54.3% 53.4% 47.7%
19 2006 1/6 0.0 1.0 76.4% 33.3% 38.5% 50.0% 16.7% 34.5% 39.5% 2010 22/24 1.6 6.8 58.9% 58.6% 41.8% 54.0% 46.2% 51.7% 44.6%
20 2007 12/17 0.8 2.3 66.1% 56.1% 48.0% 41.1% 52.6% 53.4% 44.4% 2011 9/9 1.7 4.6 63.3% 61.6% 39.8% 49.4% 42.5% 53.4% 40.5%
21 2008 34/51 0.5 2.7 64.2% 57.6% 46.0% 48.1% 45.8% 53.2% 45.7% 2012 18/20 1.8 5.3 59.7% 62.2% 41.6% 43.4% 47.6% 54.1% 43.1%
22 2009 44/52 0.3 2.5 69.2% 55.6% 44.7% 50.9% 45.1% 52.5% 44.6% 2013 4/5 0.5 7.3 58.3% 63.2% 38.3% 61.1% 54.1% 52.8% 44.6%
23 2010 59/65 0.4 1.5 75.4% 56.2% 44.0% 55.5% 51.2% 53.4% 47.7% — —/— — — — — — — — — —
24 2011 53/56 0.4 1.9 76.2% 57.7% 47.2% 52.0% 48.6% 55.0% 47.1% 2015 2/3 2.0 3.0 62.9% 55.7% 48.8% 62.9% 52.6% 53.0% 47.3%
25 2012 63/73 0.3 1.1 76.1% 60.2% 49.9% 54.1% 56.5% 57.5% 51.5% 2016 7/7 1.6 7.1 57.2% 62.9% 41.9% 56.2% 48.6% 54.3% 47.2%
26 2013 57/68 0.1 1.1 82.1% 57.9% 48.5% 52.4% 51.1% 56.1% 50.4% 2017 11/11 2.0 7.5 57.6% 55.9% 34.9% 51.1% 38.8% 46.9% 39.9%
27 2014 54/58 0.1 1.2 81.3% 56.1% 45.3% 52.4% 50.1% 54.1% 48.1% 2018 2/2 1.0 5.5 63.9% 60.4% 38.2% 56.7% 60.0% 52.2% 50.9%
28 2015 54/72 0.1 1.4 83.3% 54.9% 50.0% 49.2% 55.4% 54.2% 49.7% — —/— — — — — — — — — —
29 2016 38/45 0.1 1.2 85.4% 52.9% 43.6% 51.6% 52.4% 51.5% 48.0% — —/— — — — — — — — — —
30 2017 31/34 0.1 1.3 78.7% 52.5% 41.2% 40.6% 54.1% 50.3% 49.6% — —/— — — — — — — — — —
31 2018 14/14 0.1 2.9 81.3% 57.5% 36.7% 41.9% 45.6% 53.8% 46.0% — —/— — — — — — — — — —
32 2019 8/8 0.1 8.0 61.0% 51.0% 28.4% 30.1% 44.3% 42.3% 46.0% — —/— — — — — — — — — —
33 2020 7/7 0.0 4.6 77.6% 54.9% 39.2% 58.2% 57.5% 51.3% 51.3% — —/— — — — — — — — — —
34 2021 19/20 0.1 2.9 78.4% 52.1% 36.1% 52.3% 55.8% 48.5% 49.7% — —/— — — — — — — — — —
35 2022 7/7 0.0 1.9 80.7% 52.1% 33.4% 39.3% 47.1% 48.4% 45.5% — —/— — — — — — — — — —
36 2023 13/13 0.0 1.5 79.1% 47.8% 31.7% 36.6% 49.8% 44.5% 41.9% — —/— — — — — — — — — —
37 2024 23/24 0.1 1.5 77.5% 52.4% 42.3% 41.1% 47.1% 49.8% 44.4% — —/— — — — — — — — — —
38 2025 2/2 0.0 1.5 82.0% 53.3% 47.6% 49.5% 75.0% 52.2% 36.8% — —/— — — — — — — — — —
Career — 593/692 0.2 1.7 77.3% 55.8% 44.9% 49.9% 51.1% 53.3% 47.9% — 84/91 1.6 6.0 60.0% 59.9% 40.8% 52.1% 47.1% 52.3% 44.0%

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 Sara Errani Kai-Chen Chang
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 — — — — — — — — — — — — — — — — 2009 1558 119.4 -1.06 +1.66 1.024 50.6% +11 — — 50.0% +0.08 2–2 (50%) 2–2 (50%) 102.0 +0.20
19 2006 1529 107.3 -2.72 -1.03 0.604 36.7% — +41 — 46.2% -0.39 1–0 1–0 — -0.21 2010 1565 115.7 -2.81 +0.01 0.923 48.1% +27 -48 +36 41.1% -0.68 3–7 (30%) 1–0 — -0.25
20 2007 1614 121.3 -0.77 +0.04 0.953 49.0% -56 +20 — 55.0% +0.43 4–2 (67%) 3–2 (60%) 103.4 -0.20 2011 1489 107.6 -1.48 -2.00 0.870 47.1% +59 — — 27.3% -1.55 0–4 (0%) 1–0 — +0.22
21 2008 1735 135.4 -1.78 +1.64 0.976 49.4% -49 -6 -147 53.8% +0.34 10–7 (59%) 4–5 (44%) 102.2 -1.64 2012 1579 117.3 -2.25 -0.69 0.939 48.7% +62 — — 44.2% -0.47 2–3 (40%) 4–2 (67%) 100.8 -0.04
22 2009 1655 132.5 -2.62 +1.07 0.938 48.6% +1 +49 -81 50.9% +0.04 5–7 (42%) 6–3 (67%) 100.5 +0.75 2013 1532 98.7 -1.81 -0.42 0.946 49.0% +42 — — 25.0% -1.17 1–1 0–2 — +0.21
23 2010 1723 134.3 -2.26 +3.11 1.025 50.6% +16 -53 -104 56.5% +0.29 6–11 (35%) 12–6 (67%) 100.8 +1.24 — — — — — — — — — — — — — — — —
24 2011 1673 134.0 -0.30 +3.09 1.047 51.0% -6 +66 -54 54.0% +0.26 7–11 (39%) 5–6 (45%) 97.1 -1.90 2015 1529 107.9 -0.55 -0.03 1.007 50.3% +36 — — 33.3% -0.33 — — — -0.01
25 2012 1898 155.0 +1.80 +6.73 1.210 54.4% -78 +149 -273 69.0% +1.52 11–5 (69%) 7–3 (70%) 107.8 -1.43 2016 1603 113.2 -1.35 +0.69 1.031 50.7% +29 — — 41.2% +0.18 2–1 (67%) — — +0.28
26 2013 1886 156.0 +1.16 +6.37 1.149 53.2% -27 +186 — 62.2% +0.85 10–5 (67%) 6–5 (55%) 103.2 -0.44 2017 1537 106.9 -5.20 -1.20 0.751 43.4% +36 — — 17.4% -2.39 1–0 1–1 — -0.21
27 2014 1774 140.1 -1.37 +3.74 1.048 51.1% -49 +280 — 58.0% +0.40 9–10 (47%) 10–6 (63%) 95.0 +2.02 2018 1536 102.0 -0.12 -0.26 1.065 51.5% — — — 50.0% +0.50 — 0–1 — +0.27
28 2015 1752 137.5 -3.26 +7.03 1.083 52.0% -25 +216 -179 58.6% +0.66 18–11 (62%) 12–6 (67%) 104.0 +3.08 — — — — — — — — — — — — — — — —
29 2016 1657 128.4 -3.45 +3.74 0.989 49.8% +7 +192 -112 49.5% -0.14 5–8 (38%) 8–5 (62%) 94.9 +0.33 — — — — — — — — — — — — — — — —
30 2017 1652 117.1 -4.83 +3.87 0.998 49.9% +19 +108 — 53.3% +0.13 5–4 (56%) 6–2 (75%) 103.4 +0.62 — — — — — — — — — — — — — — — —
31 2018 1767 125.7 -0.84 +2.69 0.996 50.0% +17 -5 — 48.5% -0.21 1–4 (20%) 2–1 (67%) 96.4 -1.13 — — — — — — — — — — — — — — — —
32 2019 1575 92.5 -7.16 -0.74 0.798 44.2% — +37 — 31.6% -1.74 1–2 (33%) — — +0.92 — — — — — — — — — — — — — — — —
33 2020 1607 122.5 -2.17 +3.15 1.053 51.1% — +33 — 55.6% +0.06 2–2 (50%) 1–1 — -0.05 — — — — — — — — — — — — — — — —
34 2021 1575 114.0 -4.44 +2.94 0.966 49.1% -11 +76 — 39.5% -0.79 2–3 (40%) 1–3 (25%) 97.1 -0.94 — — — — — — — — — — — — — — — —
35 2022 1607 109.2 -3.27 +0.30 0.881 46.5% — +45 — 35.7% -0.64 1–1 0–1 — -0.07 — — — — — — — — — — — — — — — —
36 2023 1548 97.8 -6.59 -1.63 0.755 43.4% -51 +75 -7 24.1% -2.07 2–1 (67%) 0–1 — -0.14 — — — — — — — — — — — — — — — —
37 2024 1693 123.6 -4.63 +1.30 0.884 47.1% -121 +82 — 37.7% -0.94 5–0 (100%) 1–2 (33%) 106.5 -1.08 — — — — — — — — — — — — — — — —
38 2025 1590 105.5 -0.55 +0.36 0.771 45.0% — — — 20.0% -1.60 0–1 0–1 — -0.15 — — — — — — — — — — — — — — — —
Career — 2006 138.5 -1.81 +3.71 1.026 50.6% -25 +106 -122 54.6% +0.29 105–95 (53%) 85–59 (59%) 104.5 -0.06 — 1646 117.6 -2.39 -0.31 0.921 48.2% +38 -48 +36 37.7% -0.76 11–18 (38%) 9–8 (53%) 98.4 +0.74

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.