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

Kai-Chen Chang vs Eleni Daniilidou H2H: 1-0

Kai-Chen Chang holds a 1–0 lead over Eleni Daniilidou in their WTA head-to-head. Across 1 main-draw meeting, Kai-Chen Chang leads 1–0 on hard courts. Most recently, Kai-Chen Chang won the 2012 Pattaya round of 32 7-5 6-1.

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Kai-Chen Chang
Chinese Taipei Age 35 Right-Handed 167 cm / 5'6"
H2H
1 – 0
1 main-draw meetings
Eleni Daniilidou
GRE Age 43 Right-Handed 182 cm / 6'0"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Kai-Chen Chang #110 7-5 6-1 Eleni Daniilidou #81 Match data Feb 9, 2012* 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
Kai-Chen Chang #1,233 #82 808 1,646 32 59 35.2% 0 0 0 0 0 0
Eleni Daniilidou #1,070 #14 1,639 1,878 187 206 47.6% 0 0 0 0 5 5

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 Eleni Daniilidou
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 2000 0–1 0.0% #314 1,490 0 0
18 2009 5–5 50.0% #94 1,558 0 0 2001 5–8 38.5% #81 1,499 0 0
19 2010 9–15 37.5% #117 1,565 0 0 2002 32–22 59.3% #22 1,778 0 1
20 2011 1–8 11.1% #148 1,488 0 0 2003 32–24 57.1% #26 1,706 0 2
21 2012 9–11 45.0% #86 1,579 0 0 2004 23–20 53.5% #34 1,716 0 3
22 2013 1–4 20.0% #621 1,531 0 0 2005 14–20 41.2% #69 1,648 0 3
23 — — — — — — — 2006 27–24 52.9% #36 1,722 0 4
24 2015 1–2 33.3% #134 1,529 0 0 2007 27–29 48.2% #42 1,720 0 4
25 2016 3–4 42.9% #131 1,602 0 0 2008 8–9 47.1% #144 1,667 0 5
26 2017 2–9 18.2% #219 1,536 0 0 2009 0–1 0.0% #157 1,646 0 5
27 2018 1–1 50.0% #401 1,536 0 0 2010 2–3 40.0% #165 1,640 0 5
28 — — — — — — — 2011 6–12 33.3% #90 1,553 0 5
29 — — — — — — — 2012 8–21 27.6% #100 1,479 0 5
30 — — — — — — — 2013 3–10 23.1% #186 1,427 0 5
31 — — — — — — — 2014 0–2 0.0% #414 1,409 0 5

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 Eleni Daniilidou
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 %
17 — — — — — — — — — — — — — — — — — 2000 0 1 1 0.0% — — — — — — — — — — — —
18 2009 5 5 10 50.0% — — — — — — — — — — — — 2001 3 3 6 50.0% 0 3 3 0.0% 2 2 4 50.0% — — — —
19 2010 7 9 16 43.8% 1 4 5 20.0% 1 2 3 33.3% — — — — 2002 14 11 25 56.0% 7 7 14 50.0% 11 2 13 84.6% 0 2 2 0.0%
20 2011 1 5 6 16.7% 0 1 1 0.0% 0 2 2 0.0% — — — — 2003 17 13 30 56.7% 6 5 11 54.5% 4 3 7 57.1% 5 3 8 62.5%
21 2012 9 8 17 52.9% 0 1 1 0.0% 0 2 2 0.0% — — — — 2004 21 12 33 63.6% 2 4 6 33.3% 0 3 3 0.0% 0 1 1 0.0%
22 2013 1 4 5 20.0% — — — — — — — — — — — — 2005 7 12 19 36.8% 2 5 7 28.6% 5 2 7 71.4% 0 1 1 0.0%
23 — — — — — — — — — — — — — — — — — 2006 20 15 35 57.1% 3 6 9 33.3% 4 3 7 57.1% — — — —
24 2015 1 2 3 33.3% — — — — — — — — — — — — 2007 19 18 37 51.4% 4 7 11 36.4% 4 3 7 57.1% 0 1 1 0.0%
25 2016 3 4 7 42.9% — — — — — — — — — — — — 2008 7 8 15 46.7% — — — — — — — — 1 1 2 50.0%
26 2017 2 7 9 22.2% 0 1 1 0.0% 0 1 1 0.0% — — — — 2009 0 1 1 0.0% — — — — — — — — — — — —
27 2018 1 1 2 50.0% — — — — — — — — — — — — 2010 2 2 4 50.0% — — — — 0 1 1 0.0% — — — —
28 — — — — — — — — — — — — — — — — — 2011 4 8 12 33.3% 1 3 4 25.0% 1 1 2 50.0% — — — —
29 — — — — — — — — — — — — — — — — — 2012 7 13 20 35.0% 1 5 6 16.7% 0 3 3 0.0% — — — —
30 — — — — — — — — — — — — — — — — — 2013 3 9 12 25.0% 0 1 1 0.0% — — — — — — — —
31 — — — — — — — — — — — — — — — — — 2014 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
Career — 30 45 75 40.0% 1 7 8 12.5% 1 7 8 12.5% — — — — — 124 127 251 49.4% 26 46 72 36.1% 31 24 55 56.4% 6 9 15 40.0%

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 84/91 of Kai-Chen Chang's and 168/325 of Eleni Daniilidou'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 Eleni Daniilidou
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% — —/— — — — — — — — — —
20 2011 9/9 1.7 4.6 63.3% 61.6% 39.8% 49.4% 42.5% 53.4% 40.5% 2003 6/56 1.3 5.2 66.6% 63.7% 40.6% 60.1% 43.4% 55.8% 44.2%
21 2012 18/20 1.8 5.3 59.7% 62.2% 41.6% 43.4% 47.6% 54.1% 43.1% 2004 8/43 1.8 5.9 69.5% 64.1% 42.1% 62.4% 44.6% 57.6% 47.8%
22 2013 4/5 0.5 7.3 58.3% 63.2% 38.3% 61.1% 54.1% 52.8% 44.6% 2005 9/34 1.3 5.6 65.2% 58.9% 42.6% 44.5% 44.1% 52.2% 43.3%
23 — —/— — — — — — — — — — 2006 19/51 0.8 5.1 69.1% 60.0% 46.4% 42.5% 48.0% 56.0% 46.7%
24 2015 2/3 2.0 3.0 62.9% 55.7% 48.8% 62.9% 52.6% 53.0% 47.3% 2007 51/56 0.7 5.7 69.8% 59.2% 38.2% 50.7% 51.7% 52.8% 44.3%
25 2016 7/7 1.6 7.1 57.2% 62.9% 41.9% 56.2% 48.6% 54.3% 47.2% 2008 14/17 1.2 4.9 64.4% 57.6% 32.9% 33.2% 66.8% 48.9% 42.0%
26 2017 11/11 2.0 7.5 57.6% 55.9% 34.9% 51.1% 38.8% 46.9% 39.9% 2009 1/1 1.0 2.0 61.6% 49.1% 48.5% 27.3% 66.7% 48.8% 46.8%
27 2018 2/2 1.0 5.5 63.9% 60.4% 38.2% 56.7% 60.0% 52.2% 50.9% 2010 5/5 1.6 5.6 63.1% 59.9% 46.5% 49.4% 39.8% 54.8% 42.1%
28 — —/— — — — — — — — — — 2011 16/18 0.8 5.9 64.1% 59.1% 41.2% 46.5% 45.1% 52.4% 44.0%
29 — —/— — — — — — — — — — 2012 26/29 1.5 5.7 64.5% 58.1% 41.4% 45.5% 40.1% 52.2% 39.0%
30 — —/— — — — — — — — — — 2013 11/13 1.6 8.9 65.2% 59.8% 31.4% 48.6% 32.2% 49.8% 39.0%
31 — —/— — — — — — — — — — 2014 2/2 0.0 6.5 71.6% 53.6% 16.9% 27.3% 41.7% 43.1% 38.2%
Career — 84/91 1.6 6.0 60.0% 59.9% 40.8% 52.1% 47.1% 52.3% 44.0% — 168/393 1.1 5.8 67.0% 59.3% 39.6% 47.1% 47.4% 52.7% 43.2%

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 Eleni Daniilidou
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 — — — — — — — — — — — — — — — — 2000 1491 97.7 — — — — — — — 0.0% -3.50 — — — +0.02
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 2001 1500 107.9 — — — — +36 -22 +106 40.0% -0.37 2–2 (50%) 0–2 — +0.52
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 2002 1778 141.4 — — — — -106 -221 +113 58.6% +0.69 9–11 (45%) 5–6 (45%) 100.1 -1.37
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 2003 1706 136.7 +0.41 +0.45 1.001 50.0% +5 -93 +150 56.7% +0.20 7–8 (47%) 10–2 (83%) 102.0 +1.38
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 2004 1717 141.0 +1.29 +1.68 1.128 52.6% +42 -116 — 55.9% +0.45 7–6 (54%) 6–4 (60%) 101.4 +1.59
22 2013 1532 98.7 -1.81 -0.42 0.946 49.0% +42 — — 25.0% -1.17 1–1 0–2 — +0.21 2005 1648 126.9 -1.18 +0.37 0.906 47.8% +10 -104 +191 44.2% -0.49 7–6 (54%) 3–5 (38%) 97.5 -2.10
23 — — — — — — — — — — — — — — — — 2006 1723 136.1 +0.35 +1.65 1.061 51.1% +25 -187 +90 54.0% +0.18 8–9 (47%) 3–4 (43%) 97.2 -2.71
24 2015 1529 107.9 -0.55 -0.03 1.007 50.3% +36 — — 33.3% -0.33 — — — -0.01 2007 1720 130.6 -2.20 +0.32 0.938 48.6% +11 -224 +88 47.2% -0.16 13–10 (57%) 9–6 (60%) 104.4 +0.19
25 2016 1603 113.2 -1.35 +0.69 1.031 50.7% +29 — — 41.2% +0.18 2–1 (67%) — — +0.28 2008 1668 121.0 -3.18 -0.53 0.821 46.1% -1 — — 46.7% -0.50 2–0 1–2 (33%) — -0.67
26 2017 1537 106.9 -5.20 -1.20 0.751 43.4% +36 — — 17.4% -2.39 1–0 1–1 — -0.21 2009 1647 100.7 +1.13 +0.09 0.915 47.9% — — — 33.3% -1.00 0–1 — — +0.05
27 2018 1536 102.0 -0.12 -0.26 1.065 51.5% — — — 50.0% +0.50 — 0–1 — +0.27 2010 1641 109.4 -1.18 -1.96 0.933 48.3% +16 — — 40.0% -0.70 — 1–0 — -0.22
28 — — — — — — — — — — — — — — — — 2011 1554 103.4 -2.59 +0.59 0.925 48.1% +34 -96 — 38.1% -0.95 2–4 (33%) 3–1 (75%) 98.9 +0.84
29 — — — — — — — — — — — — — — — — 2012 1479 112.0 -2.35 -3.57 0.817 45.6% +54 -42 +181 33.3% -1.22 4–5 (44%) 2–1 (67%) — +0.19
30 — — — — — — — — — — — — — — — — 2013 1428 100.8 -3.67 -2.11 0.776 44.5% +39 — — 28.1% -1.81 3–3 (50%) 1–1 — +0.45
31 — — — — — — — — — — — — — — — — 2014 1409 94.6 -1.70 -2.31 0.671 40.6% — — — 0.0% -3.00 — — — +0.03
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 — 1878 134.3 -1.78 -0.36 0.913 48.0% +9 -146 +126 48.9% -0.13 64–65 (50%) 44–34 (56%) 102.2 -0.46

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.