Kai-Chen Chang
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Shuai Zhang | 2 | 1 | 3 | Jul 27, 2017 | H2H |
| Shuai Peng | 0 | 3 | 3 | Mar 2, 2017 | H2H |
| Iveta Benesova | 1 | 2 | 3 | Jul 30, 2012 | H2H |
| Tamarine Tanasugarn | 1 | 2 | 3 | Feb 10, 2012 | H2H |
| Qiang Wang | 0 | 2 | 2 | Oct 12, 2017 | H2H |
H2H data updated: 2026-09-12 00:00 UTC
Kai-Chen Chang vs Casey Dellacqua H2H: 1-0
Kai-Chen Chang holds a 1–0 lead over Casey Dellacqua 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 Japan Women's Open round of 16 7-6(4) 6-3.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H
1
–
0
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Kai-Chen Chang | 7-6(4) 6-3 | Casey Dellacqua | Match data | Oct 12, 2012* | R16 | Japan Women's Open | 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 |
| Casey Dellacqua | #932 | #26 | 1,725 | 1,757 | 80 | 106 | 43.0% | 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 | Casey Dellacqua | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 18 | 2009 | 5–5 | 50.0% | #94 | 1,558 | 0 | 0 | 2003 | 0–1 | 0.0% | #287 | 1,489 | 0 | 0 |
| 19 | 2010 | 9–15 | 37.5% | #117 | 1,565 | 0 | 0 | 2004 | 0–2 | 0.0% | #291 | 1,472 | 0 | 0 |
| 20 | 2011 | 1–8 | 11.1% | #148 | 1,488 | 0 | 0 | 2005 | 1–2 | 33.3% | #195 | 1,474 | 0 | 0 |
| 21 | 2012 | 9–11 | 45.0% | #86 | 1,579 | 0 | 0 | 2006 | 3–4 | 42.9% | #157 | 1,501 | 0 | 0 |
| 22 | 2013 | 1–4 | 20.0% | #621 | 1,531 | 0 | 0 | 2007 | 6–12 | 33.3% | #86 | 1,501 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2008 | 18–17 | 51.4% | #53 | 1,629 | 0 | 0 |
| 24 | 2015 | 1–2 | 33.3% | #134 | 1,529 | 0 | 0 | 2009 | 0–3 | 0.0% | #1002 | 1,597 | 0 | 0 |
| 25 | 2016 | 3–4 | 42.9% | #131 | 1,602 | 0 | 0 | 2010 | 2–5 | 28.6% | #227 | 1,563 | 0 | 0 |
| 26 | 2017 | 2–9 | 18.2% | #219 | 1,536 | 0 | 0 | 2011 | 3–5 | 37.5% | #134 | 1,541 | 0 | 0 |
| 27 | 2018 | 1–1 | 50.0% | #401 | 1,536 | 0 | 0 | 2012 | 10–14 | 41.7% | #101 | 1,592 | 0 | 0 |
| 28 | — | — | — | — | — | — | — | 2013 | 1–8 | 11.1% | #142 | 1,490 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2014 | 27–17 | 61.4% | #29 | 1,741 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 2015 | 9–16 | 36.0% | #116 | 1,628 | 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 | Casey Dellacqua | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Yr | Hard | Clay | Grass | |||||||||||||||||||
| 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% | — | — | — | — | — | — | — | — | 2003 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 19 | 2010 | 7 | 9 | 16 | 43.8% | 1 | 4 | 5 | 20.0% | 1 | 2 | 3 | 33.3% | 2004 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — |
| 20 | 2011 | 1 | 5 | 6 | 16.7% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 2005 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — |
| 21 | 2012 | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 2006 | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — |
| 22 | 2013 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | 2007 | 5 | 9 | 14 | 35.7% | 0 | 1 | 1 | 0.0% | 1 | 2 | 3 | 33.3% |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 11 | 9 | 20 | 55.0% | 4 | 5 | 9 | 44.4% | 3 | 3 | 6 | 50.0% |
| 24 | 2015 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | 2009 | 0 | 3 | 3 | 0.0% | — | — | — | — | — | — | — | — |
| 25 | 2016 | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | 2010 | 2 | 4 | 6 | 33.3% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 26 | 2017 | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 2011 | 0 | 1 | 1 | 0.0% | 2 | 3 | 5 | 40.0% | 1 | 1 | 2 | 50.0% |
| 27 | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2012 | 8 | 11 | 19 | 42.1% | 0 | 1 | 1 | 0.0% | 2 | 2 | 4 | 50.0% |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1 | 7 | 8 | 12.5% | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2014 | 19 | 12 | 31 | 61.3% | 3 | 3 | 6 | 50.0% | 5 | 2 | 7 | 71.4% |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 3 | 9 | 12 | 25.0% | 1 | 3 | 4 | 25.0% | 5 | 4 | 9 | 55.6% |
| Career | — | 30 | 45 | 75 | 40.0% | 1 | 7 | 8 | 12.5% | 1 | 7 | 8 | 12.5% | — | 53 | 74 | 127 | 41.7% | 10 | 16 | 26 | 38.5% | 17 | 16 | 33 | 51.5% |
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 84/91 of Kai-Chen Chang's and 163/185 of Casey Dellacqua'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 | Casey Dellacqua | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | 2004 | 1/2 | 2.0 | 6.0 | 53.4% | 56.4% | 41.2% | 66.7% | 37.5% | 49.3% | 43.8% |
| 20 | 2011 | 9/9 | 1.7 | 4.6 | 63.3% | 61.6% | 39.8% | 49.4% | 42.5% | 53.4% | 40.5% | 2005 | 1/3 | 1.0 | 7.0 | 54.3% | 63.2% | 50.0% | 33.3% | 42.9% | 57.1% | 36.8% |
| 21 | 2012 | 18/20 | 1.8 | 5.3 | 59.7% | 62.2% | 41.6% | 43.4% | 47.6% | 54.1% | 43.1% | 2006 | 1/7 | 1.0 | 7.0 | 47.4% | 55.6% | 40.0% | 60.0% | 0.0% | 47.4% | 26.5% |
| 22 | 2013 | 4/5 | 0.5 | 7.3 | 58.3% | 63.2% | 38.3% | 61.1% | 54.1% | 52.8% | 44.6% | 2007 | 17/18 | 1.8 | 3.6 | 60.5% | 60.6% | 44.5% | 42.3% | 53.2% | 54.1% | 44.7% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2008 | 31/35 | 2.9 | 4.3 | 58.6% | 63.1% | 44.2% | 54.4% | 49.5% | 55.4% | 45.2% |
| 24 | 2015 | 2/3 | 2.0 | 3.0 | 62.9% | 55.7% | 48.8% | 62.9% | 52.6% | 53.0% | 47.3% | 2009 | 3/3 | 1.0 | 5.3 | 52.8% | 46.5% | 36.2% | 28.4% | 13.9% | 42.2% | 38.4% |
| 25 | 2016 | 7/7 | 1.6 | 7.1 | 57.2% | 62.9% | 41.9% | 56.2% | 48.6% | 54.3% | 47.2% | 2010 | 7/7 | 1.0 | 3.4 | 53.5% | 55.2% | 40.5% | 37.9% | 37.3% | 48.1% | 42.3% |
| 26 | 2017 | 11/11 | 2.0 | 7.5 | 57.6% | 55.9% | 34.9% | 51.1% | 38.8% | 46.9% | 39.9% | 2011 | 6/8 | 2.0 | 4.5 | 64.2% | 60.4% | 45.9% | 63.2% | 81.9% | 55.0% | 44.2% |
| 27 | 2018 | 2/2 | 1.0 | 5.5 | 63.9% | 60.4% | 38.2% | 56.7% | 60.0% | 52.2% | 50.9% | 2012 | 22/24 | 1.0 | 3.8 | 62.7% | 59.3% | 39.5% | 49.5% | 47.4% | 51.8% | 43.4% |
| 28 | — | —/— | — | — | — | — | — | — | — | — | — | 2013 | 9/9 | 0.9 | 3.0 | 61.8% | 57.4% | 45.2% | 49.0% | 53.9% | 52.6% | 33.7% |
| 29 | — | —/— | — | — | — | — | — | — | — | — | — | 2014 | 41/44 | 1.7 | 3.0 | 59.5% | 62.2% | 49.4% | 54.3% | 48.9% | 56.9% | 43.5% |
| 30 | — | —/— | — | — | — | — | — | — | — | — | — | 2015 | 24/25 | 2.0 | 3.3 | 62.4% | 61.9% | 50.1% | 52.0% | 50.0% | 57.4% | 39.6% |
| Career | — | 84/91 | 1.6 | 6.0 | 60.0% | 59.9% | 40.8% | 52.1% | 47.1% | 52.3% | 44.0% | — | 163/186 | 1.8 | 3.6 | 60.1% | 60.8% | 45.6% | 50.9% | 49.4% | 54.6% | 42.6% |
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 | Casey Dellacqua | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 2003 | 1489 | 100.3 | — | — | — | — | — | — | — | 33.3% | -2.33 | 0–1 | 1–0 | — | +0.02 |
| 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 | 2004 | 1473 | 96.4 | -3.43 | -1.30 | 0.865 | 46.6% | — | — | — | 0.0% | -2.50 | — | — | — | -0.14 |
| 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 | 2005 | 1475 | 101.7 | -1.70 | -1.14 | 0.860 | 46.6% | +3 | — | — | 42.9% | -1.14 | 0–1 | 0–1 | — | -0.05 |
| 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 | 2006 | 1501 | 113.4 | -0.08 | -1.23 | 0.504 | 37.7% | -2 | — | — | 37.5% | -1.00 | 2–0 | 1–1 | — | -0.22 |
| 22 | 2013 | 1532 | 98.7 | -1.81 | -0.42 | 0.946 | 49.0% | +42 | — | — | 25.0% | -1.17 | 1–1 | 0–2 | — | +0.21 | 2007 | 1502 | 122.1 | -1.56 | -0.63 | 0.973 | 49.3% | +17 | — | +91 | 43.2% | -0.18 | 1–7 (13%) | — | — | -0.01 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2008 | 1630 | 126.8 | -0.29 | +1.02 | 1.014 | 50.2% | +9 | -98 | -24 | 47.5% | -0.18 | 8–6 (57%) | 2–5 (29%) | 103.0 | +0.09 |
| 24 | 2015 | 1529 | 107.9 | -0.55 | -0.03 | 1.007 | 50.3% | +36 | — | — | 33.3% | -0.33 | — | — | — | -0.01 | 2009 | 1598 | 101.9 | -2.95 | -1.13 | 0.664 | 40.6% | +4 | — | — | 0.0% | -3.67 | — | 0–1 | — | -0.17 |
| 25 | 2016 | 1603 | 113.2 | -1.35 | +0.69 | 1.031 | 50.7% | +29 | — | — | 41.2% | +0.18 | 2–1 (67%) | — | — | +0.28 | 2010 | 1563 | 103.6 | -3.53 | -0.93 | 0.814 | 45.4% | +23 | — | — | 31.3% | -1.50 | 1–1 | 2–2 (50%) | — | +0.55 |
| 26 | 2017 | 1537 | 106.9 | -5.20 | -1.20 | 0.751 | 43.4% | +36 | — | — | 17.4% | -2.39 | 1–0 | 1–1 | — | -0.21 | 2011 | 1541 | 104.0 | -1.59 | -2.06 | 0.982 | 49.7% | — | -17 | — | 42.1% | -0.26 | 1–2 (33%) | 1–0 | — | +0.43 |
| 27 | 2018 | 1536 | 102.0 | -0.12 | -0.26 | 1.065 | 51.5% | — | — | — | 50.0% | +0.50 | — | 0–1 | — | +0.27 | 2012 | 1593 | 122.1 | -1.70 | -0.55 | 0.901 | 47.8% | -3 | — | +45 | 42.3% | -0.52 | 4–2 (67%) | 0–2 | — | -0.51 |
| 28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1490 | 95.2 | -2.07 | -4.32 | 0.712 | 44.0% | +4 | — | — | 15.8% | -2.16 | 0–1 | 0–2 | — | +1.12 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2014 | 1742 | 139.6 | +0.67 | +0.45 | 1.011 | 50.3% | -28 | -176 | -39 | 55.2% | +0.23 | 13–6 (68%) | 4–5 (44%) | 108.7 | +0.21 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2015 | 1629 | 117.9 | -0.10 | -0.71 | 0.929 | 48.4% | -22 | -90 | +90 | 43.1% | -0.65 | 1–7 (13%) | 3–3 (50%) | 93.4 | -0.22 |
| 31 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1613 | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | 1758 | 127.4 | -0.70 | -0.33 | 0.939 | 48.7% | -5 | -99 | +29 | 43.8% | -0.46 | 31–34 (48%) | 14–22 (39%) | 100.0 | +0.60 |
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.
Casey Dellacqua
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Jelena Jankovic | 0 | 5 | 5 | Jun 18, 2015 | H2H |
| Na Li | 0 | 4 | 4 | May 15, 2014 | H2H |
| Victoria Azarenka | 0 | 4 | 4 | Jan 3, 2014 | H2H |
| Marion Bartoli | 1 | 3 | 4 | Jun 27, 2012 | H2H |
| Bojana Jovanovski Petrovic | 2 | 2 | 4 | Mar 1, 2012 | H2H |