H2H data updated: 2026-07-18 17:48 UTC
Klara Koukalova vs Yung Jan Chan H2H: 0-1
Yung Jan Chan holds a 1–0 lead over Klara Koukalova in their WTA head-to-head. Across 1 main-draw meeting, Yung Jan Chan leads 1–0 on clay. Most recently, Yung Jan Chan won the 2011 Roland Garros first round 7-5 6-1.
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H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| May 24, 2011* | Roland Garros | Grand Slam | R128 | Clay | Yung Jan Chan | 7-5 6-1 | Klara Koukalova | Match data |
* Estimated match date where the exact historical date is unavailable.
Career Comparison
| Player | Current | Peak | Pts | Elo | W | L | Win % | GS | 1000 | Finals | 500 | 250 | Titles |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Klara Koukalova | #566 | #20 | 1,860 | 1,807 | 275 | 285 | 49.1% | 0 | 0 | 0 | 0 | 3 | 3 |
| Yung Jan Chan | — | — | — | 1,640 | 49 | 83 | 37.1% | 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.
| Klara Koukalova | Yung Jan Chan | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 2001 | 5–4 | 55.6% | #139 | 1,519 | 0 | 0 | 2005 | 0–1 | 0.0% | — | 1,498 | 0 | 0 |
| 2002 | 4–5 | 44.4% | #117 | 1,527 | 0 | 0 | 2006 | 3–3 | 50.0% | — | 1,526 | 0 | 0 |
| 2003 | 14–19 | 42.4% | #63 | 1,537 | 0 | 0 | 2007 | 10–16 | 38.5% | — | 1,574 | 0 | 0 |
| 2004 | 26–22 | 54.2% | #46 | 1,648 | 0 | 0 | 2008 | 15–19 | 44.1% | — | 1,610 | 0 | 0 |
| 2005 | 32–19 | 62.7% | #35 | 1,770 | 0 | 2 | 2009 | 7–12 | 36.8% | — | 1,597 | 0 | 0 |
| 2006 | 10–22 | 31.2% | #117 | 1,548 | 0 | 2 | 2010 | 5–13 | 27.8% | — | 1,533 | 0 | 0 |
| 2007 | 12–12 | 50.0% | #63 | 1,579 | 0 | 2 | 2011 | 3–6 | 33.3% | — | 1,531 | 0 | 0 |
| 2008 | 21–21 | 50.0% | #72 | 1,590 | 0 | 2 | 2012 | 4–4 | 50.0% | — | 1,585 | 0 | 0 |
| 2009 | 8–17 | 32.0% | #90 | 1,537 | 0 | 2 | 2013 | 1–2 | 33.3% | — | 1,582 | 0 | 0 |
| 2010 | 20–20 | 50.0% | #41 | 1,656 | 0 | 2 | 2014 | 1–6 | 14.3% | — | 1,524 | 0 | 0 |
| 2011 | 29–25 | 53.7% | #41 | 1,712 | 0 | 2 | 2015 | 0–1 | 0.0% | — | 1,505 | 0 | 0 |
| 2012 | 24–21 | 53.3% | #28 | 1,729 | 0 | 2 | — | — | — | — | — | — | — |
| 2013 | 27–25 | 51.9% | #35 | 1,679 | 0 | 2 | — | — | — | — | — | — | — |
| 2014 | 29–27 | 51.8% | #40 | 1,611 | 0 | 3 | — | — | — | — | — | — | — |
| 2015 | 14–22 | 38.9% | #99 | 1,572 | 0 | 3 | — | — | — | — | — | — | — |
| 2016 | 0–4 | 0.0% | #400 | 1,499 | 0 | 3 | — | — | — | — | — | — | — |