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: 2026-09-14 00:00 UTC
Kai-Chen Chang vs Varatchaya Wongteanchai H2H: 1-0
Kai-Chen Chang holds a 1–0 lead over Varatchaya Wongteanchai 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 2010 Pattaya round of 32 4-6 6-3 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 | 4-6 6-3 6-3 | Varatchaya Wongteanchai | Match data | Feb 11, 2010* | 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 |
| Varatchaya Wongteanchai | #822 | #200 | 284 | 1,536 | 1 | 5 | 16.7% | 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 | Varatchaya Wongteanchai | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — |
| 20 | 2011 | 1–8 | 11.1% | #148 | 1,488 | 0 | 0 | 2010 | 0–1 | 0.0% | #645 | 1,486 | 0 | 0 |
| 21 | 2012 | 9–11 | 45.0% | #86 | 1,579 | 0 | 0 | — | — | — | — | — | — | — |
| 22 | 2013 | 1–4 | 20.0% | #621 | 1,531 | 0 | 0 | 2012 | 0–1 | 0.0% | #315 | 1,483 | 0 | 0 |
| 23 | — | — | — | — | — | — | — | 2013 | 1–1 | 50.0% | #289 | 1,489 | 0 | 0 |
| 24 | 2015 | 1–2 | 33.3% | #134 | 1,529 | 0 | 0 | — | — | — | — | — | — | — |
| 25 | 2016 | 3–4 | 42.9% | #131 | 1,602 | 0 | 0 | — | — | — | — | — | — | — |
| 26 | 2017 | 2–9 | 18.2% | #219 | 1,536 | 0 | 0 | 2016 | 0–1 | 0.0% | #283 | 1,508 | 0 | 0 |
| 27 | 2018 | 1–1 | 50.0% | #401 | 1,536 | 0 | 0 | 2017 | 0–1 | 0.0% | #319 | 1,492 | 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 | Varatchaya Wongteanchai | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 19 | 2010 | 7 | 9 | 16 | 43.8% | 1 | 4 | 5 | 20.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 20 | 2011 | 1 | 5 | 6 | 16.7% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | 2010 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 21 | 2012 | 9 | 8 | 17 | 52.9% | 0 | 1 | 1 | 0.0% | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 1 | 4 | 5 | 20.0% | — | — | — | — | — | — | — | — | 2012 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — |
| 24 | 2015 | 1 | 2 | 3 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2016 | 3 | 4 | 7 | 42.9% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 2 | 7 | 9 | 22.2% | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | 2016 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 27 | 2018 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | 2017 | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| Career | — | 30 | 45 | 75 | 40.0% | 1 | 7 | 8 | 12.5% | 1 | 7 | 8 | 12.5% | — | 1 | 5 | 6 | 16.7% | — | — | — | — | — | — | — | — |
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 6/6 of Varatchaya Wongteanchai'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 | Varatchaya Wongteanchai | ||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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% | 2010 | 1/1 | 1.0 | 7.0 | 63.8% | 47.1% | 51.7% | 30.0% | 31.3% | 48.8% | 42.4% |
| 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% | 2012 | 1/1 | 1.0 | 4.0 | 67.7% | 52.4% | 30.0% | 40.0% | 37.5% | 45.2% | 43.1% |
| 23 | — | —/— | — | — | — | — | — | — | — | — | — | 2013 | 2/2 | 1.5 | 0.5 | 69.2% | 62.2% | 50.4% | 55.0% | 39.3% | 58.7% | 46.1% |
| 24 | 2015 | 2/3 | 2.0 | 3.0 | 62.9% | 55.7% | 48.8% | 62.9% | 52.6% | 53.0% | 47.3% | — | —/— | — | — | — | — | — | — | — | — | — |
| 25 | 2016 | 7/7 | 1.6 | 7.1 | 57.2% | 62.9% | 41.9% | 56.2% | 48.6% | 54.3% | 47.2% | — | —/— | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 11/11 | 2.0 | 7.5 | 57.6% | 55.9% | 34.9% | 51.1% | 38.8% | 46.9% | 39.9% | 2016 | 1/1 | 0.0 | 0.0 | 66.7% | 40.6% | 43.8% | 54.5% | — | 41.7% | 32.6% |
| 27 | 2018 | 2/2 | 1.0 | 5.5 | 63.9% | 60.4% | 38.2% | 56.7% | 60.0% | 52.2% | 50.9% | 2017 | 1/1 | 0.0 | 6.0 | 55.3% | 57.1% | 47.1% | 25.0% | 38.5% | 52.6% | 45.7% |
| Career | — | 84/91 | 1.6 | 6.0 | 60.0% | 59.9% | 40.8% | 52.1% | 47.1% | 52.3% | 44.0% | — | 6/6 | 0.8 | 3.0 | 65.3% | 53.6% | 45.6% | 43.3% | 31.0% | 50.9% | 42.7% |
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 | Varatchaya Wongteanchai | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 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 | 2010 | 1486 | 99.5 | -0.22 | -3.14 | 0.828 | 45.3% | — | — | — | 33.3% | -1.33 | 0–1 | — | — | +0.08 |
| 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 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 22 | 2013 | 1532 | 98.7 | -1.81 | -0.42 | 0.946 | 49.0% | +42 | — | — | 25.0% | -1.17 | 1–1 | 0–2 | — | +0.21 | 2012 | 1483 | 107.4 | -1.51 | +0.52 | 0.786 | 44.1% | — | — | — | 0.0% | -3.00 | — | — | — | -0.28 |
| 23 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2013 | 1489 | 103.0 | +1.55 | +0.01 | 1.116 | 52.5% | — | — | — | 50.0% | +0.50 | — | 0–1 | — | +0.13 |
| 24 | 2015 | 1529 | 107.9 | -0.55 | -0.03 | 1.007 | 50.3% | +36 | — | — | 33.3% | -0.33 | — | — | — | -0.01 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 25 | 2016 | 1603 | 113.2 | -1.35 | +0.69 | 1.031 | 50.7% | +29 | — | — | 41.2% | +0.18 | 2–1 (67%) | — | — | +0.28 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 26 | 2017 | 1537 | 106.9 | -5.20 | -1.20 | 0.751 | 43.4% | +36 | — | — | 17.4% | -2.39 | 1–0 | 1–1 | — | -0.21 | 2016 | 1508 | 100.3 | +0.36 | +0.08 | 0.559 | 37.2% | — | — | — | 0.0% | -5.00 | — | — | — | -0.12 |
| 27 | 2018 | 1536 | 102.0 | -0.12 | -0.26 | 1.065 | 51.5% | — | — | — | 50.0% | +0.50 | — | 0–1 | — | +0.27 | 2017 | 1492 | 91.5 | +0.36 | -0.37 | 0.964 | 48.8% | — | — | — | 33.3% | -0.67 | 0–1 | — | — | -0.05 |
| 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 | — | 1536 | 100.0 | +0.35 | -0.48 | 0.869 | 46.7% | — | — | — | 28.6% | -1.43 | 0–2 | 0–1 | — | -4.00 |
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.
Varatchaya Wongteanchai
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Irina-Camelia Begu | 0 | 1 | 1 | Sep 21, 2017 | H2H |
| Barbora Strycova | 0 | 1 | 1 | Sep 22, 2016 | H2H |
| Marina Erakovic | 0 | 1 | 1 | Feb 1, 2013 | H2H |
| Annika Beck | 1 | 0 | 1 | Jan 31, 2013 | H2H |
| Vera Zvonareva | 0 | 1 | 1 | Feb 9, 2012 | H2H |