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: 2026-09-13 00:00 UTC
Kai-Chen Chang vs Abigail Spears H2H: 0-1
Abigail Spears holds a 1–0 lead over Kai-Chen Chang in their WTA head-to-head. Across 1 main-draw meeting, Abigail Spears leads 1–0 on hard courts. Most recently, Abigail Spears won the 2009 Guangzhou Open first round 6-3 7-6(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
0
–
1
1 main-draw meetings
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Abigail Spears | 6-3 7-6(3) | Kai-Chen Chang | Match data | Sep 17, 2009* | R32 | Guangzhou 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 |
| Abigail Spears | #1,280 | #66 | 522 | 1,600 | 21 | 41 | 33.9% | 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 | Abigail Spears | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 19 | 2010 | 9–15 | 37.5% | #117 | 1,565 | 0 | 0 | 2001 | 0–1 | 0.0% | #254 | 1,483 | 0 | 0 |
| 20 | 2011 | 1–8 | 11.1% | #148 | 1,488 | 0 | 0 | 2002 | 0–1 | 0.0% | #323 | 1,471 | 0 | 0 |
| 21 | 2012 | 9–11 | 45.0% | #86 | 1,579 | 0 | 0 | 2003 | 0–1 | 0.0% | #212 | 1,461 | 0 | 0 |
| 22 | 2013 | 1–4 | 20.0% | #621 | 1,531 | 0 | 0 | 2004 | 7–6 | 53.8% | #97 | 1,535 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2005 | 6–17 | 26.1% | #159 | 1,477 | 0 | 0 |
| 24 | 2015 | 1–2 | 33.3% | #134 | 1,529 | 0 | 0 | 2006 | 3–3 | 50.0% | #146 | 1,501 | 0 | 0 |
| 25 | 2016 | 3–4 | 42.9% | #131 | 1,602 | 0 | 0 | 2007 | 3–7 | 30.0% | #147 | 1,475 | 0 | 0 |
| 26 | 2017 | 2–9 | 18.2% | #219 | 1,536 | 0 | 0 | 2008 | 0–1 | 0.0% | #246 | 1,467 | 0 | 0 |
| 27 | 2018 | 1–1 | 50.0% | #401 | 1,536 | 0 | 0 | 2009 | 1–2 | 33.3% | #222 | 1,464 | 0 | 0 |
| 29 | — | — | — | — | — | — | — | 2011 | 1–1 | 50.0% | #329 | 1,482 | 0 | 0 |
| 30 | — | — | — | — | — | — | — | 2012 | 0–1 | 0.0% | #646 | 1,468 | 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 | Abigail Spears | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | |||||||||||||||||||||||||
| 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 | 2010 | 7 | 9 | 16 | 43.8% | 1 | 4 | 5 | 20.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 2001 | — | — | — | — | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% |
| 20 | 2011 | 1 | 5 | 6 | 16.7% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2002 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 21 | 2012 | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | 2003 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | — | — | — | — | 2004 | 7 | 5 | 12 | 58.3% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2005 | 6 | 14 | 20 | 30.0% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — |
| 24 | 2015 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | 2006 | 3 | 3 | 6 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2016 | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | — | — | — | — | 2007 | 3 | 6 | 9 | 33.3% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 26 | 2017 | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | 2008 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 27 | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — | 2009 | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2011 | — | — | — | — | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2012 | — | — | — | — | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| Career | — | 30 | 45 | 75 | 40.0% | 1 | 7 | 8 | 12.5% | 1 | 7 | 8 | 12.5% | — | — | — | — | — | 20 | 32 | 52 | 38.5% | 1 | 4 | 5 | 20.0% | 0 | 4 | 4 | 0.0% | 0 | 1 | 1 | 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 84/91 of Kai-Chen Chang's and 26/59 of Abigail Spears'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 | Abigail Spears | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | —/— | — | — | — | — | — | — | — | — | — |
| 21 | 2012 | 18/20 | 1.8 | 5.3 | 59.7% | 62.2% | 41.6% | 43.4% | 47.6% | 54.1% | 43.1% | — | —/— | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 4/5 | 0.5 | 7.3 | 58.3% | 63.2% | 38.3% | 61.1% | 54.1% | 52.8% | 44.6% | 2004 | 1/13 | 3.0 | 4.0 | 45.8% | 56.8% | 51.9% | 61.5% | 60.0% | 54.2% | 37.7% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2005 | 9/23 | 2.7 | 6.1 | 54.5% | 63.7% | 43.7% | 61.1% | 50.2% | 54.7% | 39.2% |
| 24 | 2015 | 2/3 | 2.0 | 3.0 | 62.9% | 55.7% | 48.8% | 62.9% | 52.6% | 53.0% | 47.3% | 2006 | 2/6 | 4.0 | 4.0 | 62.3% | 55.1% | 45.9% | 67.9% | 19.2% | 51.3% | 35.8% |
| 25 | 2016 | 7/7 | 1.6 | 7.1 | 57.2% | 62.9% | 41.9% | 56.2% | 48.6% | 54.3% | 47.2% | 2007 | 7/10 | 2.4 | 3.1 | 61.1% | 58.3% | 47.6% | 59.8% | 36.4% | 54.0% | 39.4% |
| 26 | 2017 | 11/11 | 2.0 | 7.5 | 57.6% | 55.9% | 34.9% | 51.1% | 38.8% | 46.9% | 39.9% | 2008 | 1/1 | 0.0 | 4.0 | 47.4% | 63.0% | 36.7% | 33.3% | 14.3% | 49.1% | 32.7% |
| 27 | 2018 | 2/2 | 1.0 | 5.5 | 63.9% | 60.4% | 38.2% | 56.7% | 60.0% | 52.2% | 50.9% | 2009 | 3/3 | 2.3 | 3.7 | 60.3% | 60.4% | 43.7% | 38.6% | 42.8% | 53.7% | 41.3% |
| 29 | — | —/— | — | — | — | — | — | — | — | — | — | 2011 | 2/2 | 2.0 | 3.5 | 64.6% | 64.9% | 25.0% | 45.8% | 27.3% | 50.8% | 45.4% |
| 30 | — | —/— | — | — | — | — | — | — | — | — | — | 2012 | 1/1 | 5.0 | 3.0 | 56.7% | 67.8% | 42.2% | 80.0% | 40.0% | 56.7% | 40.4% |
| Career | — | 84/91 | 1.6 | 6.0 | 60.0% | 59.9% | 40.8% | 52.1% | 47.1% | 52.3% | 44.0% | — | 26/62 | 2.6 | 4.4 | 57.8% | 61.2% | 43.5% | 57.2% | 40.1% | 53.7% | 39.5% |
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 | Abigail Spears | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | 2001 | 1483 | 97.3 | — | — | — | — | — | — | — | 33.3% | -1.00 | 0–1 | — | — | +0.10 |
| 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 | 2002 | 1471 | 100.9 | — | — | — | — | — | — | — | 33.3% | -1.33 | 0–1 | — | — | -0.01 |
| 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 | 2003 | 1462 | 101.1 | — | — | — | — | — | — | — | 33.3% | -1.00 | 0–1 | — | — | -0.05 |
| 22 | 2013 | 1532 | 98.7 | -1.81 | -0.42 | 0.946 | 49.0% | +42 | — | — | 25.0% | -1.17 | 1–1 | 0–2 | — | +0.21 | 2004 | 1535 | 111.7 | -1.26 | -0.98 | 0.822 | 46.8% | +26 | — | — | 54.8% | +0.23 | 2–3 (40%) | 4–1 (80%) | 101.7 | +1.06 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2005 | 1477 | 117.6 | +0.04 | -2.56 | 0.865 | 47.3% | +36 | — | — | 28.8% | -1.37 | 3–3 (50%) | 3–5 (38%) | 98.4 | -1.47 |
| 24 | 2015 | 1529 | 107.9 | -0.55 | -0.03 | 1.007 | 50.3% | +36 | — | — | 33.3% | -0.33 | — | — | — | -0.01 | 2006 | 1501 | 101.6 | -1.60 | -1.23 | 0.736 | 43.7% | +21 | — | — | 46.7% | -0.67 | 2–1 (67%) | 1–1 | — | +0.07 |
| 25 | 2016 | 1603 | 113.2 | -1.35 | +0.69 | 1.031 | 50.7% | +29 | — | — | 41.2% | +0.18 | 2–1 (67%) | — | — | +0.28 | 2007 | 1475 | 108.0 | -0.76 | -1.77 | 0.858 | 47.0% | +28 | — | — | 28.6% | -1.14 | 1–0 | 1–1 | — | +0.34 |
| 26 | 2017 | 1537 | 106.9 | -5.20 | -1.20 | 0.751 | 43.4% | +36 | — | — | 17.4% | -2.39 | 1–0 | 1–1 | — | -0.21 | 2008 | 1467 | 98.8 | +0.26 | -0.18 | 0.643 | 41.1% | — | — | — | 0.0% | -3.00 | — | — | — | -0.08 |
| 27 | 2018 | 1536 | 102.0 | -0.12 | -0.26 | 1.065 | 51.5% | — | — | — | 50.0% | +0.50 | — | 0–1 | — | +0.27 | 2009 | 1464 | 99.1 | -0.15 | -1.61 | 0.891 | 47.6% | — | — | — | 50.0% | -1.12 | 0–2 | 1–0 | — | +0.08 |
| 29 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2011 | 1482 | 101.5 | +0.21 | +1.14 | 0.922 | 48.3% | — | — | — | 50.0% | -0.50 | — | — | — | +0.05 |
| 30 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2012 | 1469 | 98.3 | -3.42 | -2.09 | 0.934 | 49.0% | — | — | — | 33.3% | -0.33 | 0–1 | 0–1 | — | +0.01 |
| 34 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2016 | 1454 | 98.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 35 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2017 | 1420 | 92.3 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 36 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2018 | 1392 | 96.2 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 37 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2019 | 1362 | 94.1 | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | — | 1601 | 108.4 | -0.49 | -1.68 | 0.852 | 46.9% | +30 | — | — | 37.9% | -0.87 | 8–13 (38%) | 10–9 (53%) | 95.9 | +0.16 |
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.
Abigail Spears
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Patty Schnyder | 0 | 2 | 2 | Jul 21, 2006 | H2H |
| Nicole Vaidisova | 0 | 2 | 2 | Oct 13, 2005 | H2H |
| Tatiana Golovin | 1 | 1 | 2 | Oct 6, 2005 | H2H |
| Lubomira Kurhajcova | 2 | 0 | 2 | Mar 8, 2005 | H2H |
| Jill Craybas | 2 | 0 | 2 | Jan 13, 2005 | H2H |