H2H data updated: 2026-09-13 00:00 UTC

Kai-Chen Chang vs Elena Baltacha H2H: 0-1

Elena Baltacha holds a 1–0 lead over Kai-Chen Chang in their WTA head-to-head. Across 1 main-draw meeting, Elena Baltacha leads 1–0 on grass. Most recently, Elena Baltacha won the 2012 Birmingham round of 64 4-6 6-4 7-5.

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Kai-Chen Chang
Chinese Taipei Age 35 Right-Handed 167 cm / 5'6"
H2H
0 – 1
1 main-draw meetings
Elena Baltacha
GBR Right-Handed 175 cm / 5'9"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Elena Baltacha #91 4-6 6-4 7-5 Kai-Chen Chang #108 Match data Jun 13, 2012* R64 Birmingham International → modern equivalent WTA 250 Grass

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
Kai-Chen Chang #1,233 #82 808 1,646 32 59 35.2% 0 0 0 0 0 0
Elena Baltacha #225 #49 1,179 1,670 48 75 39.0% 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 Kai-Chen Chang Elena Baltacha
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 2001 0–2 0.0% #242 1,488 0 0
18 2009 5–5 50.0% #94 1,558 0 0 2002 2–2 50.0% #157 1,518 0 0
19 2010 9–15 37.5% #117 1,565 0 0 2003 0–3 0.0% #382 1,491 0 0
20 2011 1–8 11.1% #148 1,488 0 0 2004 1–2 33.3% #185 1,498 0 0
21 2012 9–11 45.0% #86 1,579 0 0 2005 3–4 42.9% #129 1,506 0 0
22 2013 1–4 20.0% #621 1,531 0 0 — — — — — — —
23 — — — — — — — 2007 2–4 33.3% #187 1,508 0 0
24 2015 1–2 33.3% #134 1,529 0 0 2008 1–4 20.0% #136 1,495 0 0
25 2016 3–4 42.9% #131 1,602 0 0 2009 3–5 37.5% #84 1,521 0 0
26 2017 2–9 18.2% #219 1,536 0 0 2010 15–15 50.0% #55 1,630 0 0
27 2018 1–1 50.0% #401 1,536 0 0 2011 14–18 43.8% #51 1,627 0 0
28 — — — — — — — 2012 5–12 29.4% #174 1,566 0 0
29 — — — — — — — 2013 2–4 33.3% #225 1,558 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 Kai-Chen Chang Elena Baltacha
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 — — — — — — — — — — — — — 2001 — — — — — — — — 0 2 2 0.0%
18 2009 5 5 10 50.0% — — — — — — — — 2002 — — — — — — — — 2 2 4 50.0%
19 2010 7 9 16 43.8% 1 4 5 20.0% 1 2 3 33.3% 2003 0 1 1 0.0% — — — — 0 2 2 0.0%
20 2011 1 5 6 16.7% 0 1 1 0.0% 0 2 2 0.0% 2004 — — — — — — — — 1 2 3 33.3%
21 2012 9 8 17 52.9% 0 1 1 0.0% 0 2 2 0.0% 2005 2 1 3 66.7% — — — — 1 3 4 25.0%
22 2013 1 4 5 20.0% — — — — — — — — — — — — — — — — — — — — —
23 — — — — — — — — — — — — — 2007 1 1 2 50.0% — — — — 1 3 4 25.0%
24 2015 1 2 3 33.3% — — — — — — — — 2008 0 1 1 0.0% 0 1 1 0.0% 1 2 3 33.3%
25 2016 3 4 7 42.9% — — — — — — — — 2009 1 2 3 33.3% — — — — 2 3 5 40.0%
26 2017 2 7 9 22.2% 0 1 1 0.0% 0 1 1 0.0% 2010 12 10 22 54.5% 1 2 3 33.3% 2 3 5 40.0%
27 2018 1 1 2 50.0% — — — — — — — — 2011 10 13 23 43.5% 2 3 5 40.0% 2 2 4 50.0%
28 — — — — — — — — — — — — — 2012 2 6 8 25.0% 0 3 3 0.0% 3 3 6 50.0%
29 — — — — — — — — — — — — — 2013 — — — — 1 2 3 33.3% 1 2 3 33.3%
Career — 30 45 75 40.0% 1 7 8 12.5% 1 7 8 12.5% — 28 35 63 44.4% 4 11 15 26.7% 16 29 45 35.6%

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 84/91 of Kai-Chen Chang's and 104/117 of Elena Baltacha'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 Kai-Chen Chang Elena Baltacha
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 2010 22/24 1.6 6.8 58.9% 58.6% 41.8% 54.0% 46.2% 51.7% 44.6% 2003 1/3 3.0 5.0 47.5% 78.9% 45.2% 57.1% 30.0% 61.3% 40.0%
20 2011 9/9 1.7 4.6 63.3% 61.6% 39.8% 49.4% 42.5% 53.4% 40.5% 2004 2/3 3.0 2.5 62.1% 66.4% 41.4% 70.0% 58.3% 56.4% 42.5%
21 2012 18/20 1.8 5.3 59.7% 62.2% 41.6% 43.4% 47.6% 54.1% 43.1% 2005 6/7 3.5 3.5 55.6% 66.5% 44.3% 53.9% 27.3% 56.4% 36.8%
22 2013 4/5 0.5 7.3 58.3% 63.2% 38.3% 61.1% 54.1% 52.8% 44.6% — —/— — — — — — — — — —
23 — —/— — — — — — — — — — 2007 4/6 3.3 5.0 60.1% 66.3% 41.3% 54.7% 49.3% 56.4% 37.6%
24 2015 2/3 2.0 3.0 62.9% 55.7% 48.8% 62.9% 52.6% 53.0% 47.3% 2008 5/5 2.2 3.4 60.0% 57.5% 36.8% 33.9% 59.5% 49.3% 39.5%
25 2016 7/7 1.6 7.1 57.2% 62.9% 41.9% 56.2% 48.6% 54.3% 47.2% 2009 7/8 3.9 3.0 56.1% 66.6% 48.2% 58.3% 37.8% 58.5% 37.0%
26 2017 11/11 2.0 7.5 57.6% 55.9% 34.9% 51.1% 38.8% 46.9% 39.9% 2010 28/30 3.0 2.9 58.3% 63.1% 45.7% 57.1% 45.9% 55.8% 39.1%
27 2018 2/2 1.0 5.5 63.9% 60.4% 38.2% 56.7% 60.0% 52.2% 50.9% 2011 30/32 2.3 2.4 58.4% 65.2% 45.9% 49.0% 42.3% 57.3% 42.8%
28 — —/— — — — — — — — — — 2012 15/17 1.5 2.9 60.0% 58.4% 42.9% 47.2% 40.1% 52.3% 37.6%
29 — —/— — — — — — — — — — 2013 6/6 2.5 1.5 67.9% 59.0% 42.2% 41.0% 54.0% 53.6% 34.1%
Career — 84/91 1.6 6.0 60.0% 59.9% 40.8% 52.1% 47.1% 52.3% 44.0% — 104/123 2.6 2.8 58.9% 63.3% 44.6% 51.3% 43.7% 55.6% 39.4%

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 Kai-Chen Chang Elena Baltacha
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 — — — — — — — — — — — — — — — — 2001 1489 101.5 — — — — — — — 0.0% -3.25 — — — -0.22
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 2002 1519 104.8 — — — — — — +76 44.4% -0.33 1–0 0–1 — -0.01
19 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 2003 1491 107.9 -0.79 +0.01 1.032 49.4% — — — 20.0% -1.40 0–1 — — -0.18
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 2004 1499 104.0 -0.78 +0.29 0.975 50.4% — — +21 33.3% -0.50 — — — -0.12
21 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 2005 1507 102.4 +0.64 -3.12 0.843 46.5% +45 — -23 41.2% -0.88 2–1 (67%) 1–0 — +0.62
22 2013 1532 98.7 -1.81 -0.42 0.946 49.0% +42 — — 25.0% -1.17 1–1 0–2 — +0.21 — — — — — — — — — — — — — — — —
23 — — — — — — — — — — — — — — — — 2007 1509 98.7 +0.25 -1.20 0.861 47.7% — — -36 37.5% -0.81 2–2 (50%) 1–1 — 0.00
24 2015 1529 107.9 -0.55 -0.03 1.007 50.3% +36 — — 33.3% -0.33 — — — -0.01 2008 1496 97.3 -1.84 -2.72 0.779 44.5% — — -35 18.2% -2.09 1–0 0–1 — -0.36
25 2016 1603 113.2 -1.35 +0.69 1.031 50.7% +29 — — 41.2% +0.18 2–1 (67%) — — +0.28 2009 1521 116.1 +1.47 -1.58 0.893 47.9% +38 — -14 42.1% -0.63 1–2 (33%) 1–1 — -0.14
26 2017 1537 106.9 -5.20 -1.20 0.751 43.4% +36 — — 17.4% -2.39 1–0 1–1 — -0.21 2010 1630 120.5 -0.45 -3.14 0.886 47.6% +7 -108 -118 49.2% -0.49 5–2 (71%) 4–2 (67%) 105.7 -0.05
27 2018 1536 102.0 -0.12 -0.26 1.065 51.5% — — — 50.0% +0.50 — 0–1 — +0.27 2011 1628 127.6 +1.21 -0.89 1.001 50.1% -1 -104 -106 44.6% -0.42 4–5 (44%) 5–4 (56%) 99.1 -0.98
28 — — — — — — — — — — — — — — — — 2012 1567 100.8 -2.26 -3.52 0.788 45.0% -16 -73 +14 28.2% -1.44 4–1 (80%) 1–3 (25%) 101.9 -0.13
29 — — — — — — — — — — — — — — — — 2013 1558 95.9 -1.94 -2.72 0.736 44.1% — -79 -29 38.5% -1.77 0–1 2–0 — +0.27
Career — 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 — 1670 116.9 -0.18 -2.22 0.888 47.6% +4 -93 -26 39.6% -0.85 20–15 (57%) 15–13 (54%) 106.0 -1.07

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.