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

Karin Knapp vs Yung Jan Chan H2H: 1-0

Karin Knapp holds a 1–0 lead over Yung Jan Chan in their WTA head-to-head. Across 1 main-draw meeting, Karin Knapp leads 1–0 on hard courts. Most recently, Karin Knapp won the 2007 US Open first round 6-2 6-0.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Karin Knapp
Italy Age 39 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Yung Jan Chan
TPE Age 37 Right-Handed 170 cm / 5'7"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Karin Knapp #57 6-2 6-0 Yung Jan Chan Match data Aug 29, 2007* R128 US Open Grand Slam 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
Karin Knapp #971 #33 1,420 1,710 103 118 46.6% 0 0 0 0 2 2
Yung Jan Chan — — — 1,636 49 84 36.8% 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 Karin Knapp Yung Jan Chan
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
15 — — — — — — — 2005 0–1 0.0% — 1,499 0 0
16 — — — — — — — 2006 3–3 50.0% — 1,526 0 0
17 — — — — — — — 2007 10–16 38.5% — 1,572 0 0
18 — — — — — — — 2008 15–20 42.9% — 1,606 0 0
19 2006 3–4 42.9% #122 1,513 0 0 2009 7–12 36.8% — 1,595 0 0
20 2007 14–14 50.0% #50 1,587 0 0 2010 5–13 27.8% — 1,532 0 0
21 2008 11–14 44.0% #80 1,603 0 0 2011 3–6 33.3% — 1,530 0 0
22 2009 3–6 33.3% #205 1,555 0 0 2012 4–4 50.0% — 1,584 0 0
23 — — — — — — — 2013 1–2 33.3% — 1,582 0 0
24 2011 0–3 0.0% #164 1,530 0 0 2014 1–6 14.3% — 1,523 0 0
25 2012 7–7 50.0% #120 1,561 0 0 2015 0–1 0.0% — 1,505 0 0
26 2013 20–15 57.1% #41 1,680 0 0 — — — — — — —
27 2014 18–24 42.9% #54 1,644 0 1 — — — — — — —
28 2015 22–20 52.4% #51 1,704 0 2 — — — — — — —
29 2016 5–10 33.3% #147 1,637 0 2 — — — — — — —
30 2017 0–1 0.0% #966 1,617 0 2 — — — — — — —

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 Karin Knapp Yung Jan Chan
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 %
15 — — — — — — — — — — — — — — — — — 2005 0 1 1 0.0% — — — — — — — — — — — —
16 — — — — — — — — — — — — — — — — — 2006 3 2 5 60.0% — — — — 0 1 1 0.0% — — — —
17 — — — — — — — — — — — — — — — — — 2007 7 10 17 41.2% 2 3 5 40.0% 1 3 4 25.0% — — — —
18 — — — — — — — — — — — — — — — — — 2008 10 13 23 43.5% 4 5 9 44.4% 1 2 3 33.3% — — — —
19 2006 1 2 3 33.3% 2 2 4 50.0% — — — — — — — — 2009 7 9 16 43.8% — — — — 0 3 3 0.0% — — — —
20 2007 3 5 8 37.5% 11 7 18 61.1% 0 2 2 0.0% — — — — 2010 4 9 13 30.8% 0 2 2 0.0% 1 2 3 33.3% — — — —
21 2008 7 8 15 46.7% 4 5 9 44.4% — — — — 0 1 1 0.0% 2011 1 5 6 16.7% 2 1 3 66.7% — — — — — — — —
22 2009 3 4 7 42.9% 0 2 2 0.0% — — — — — — — — 2012 3 2 5 60.0% 1 2 3 33.3% — — — — — — — —
23 — — — — — — — — — — — — — — — — — 2013 1 2 3 33.3% — — — — — — — — — — — —
24 2011 0 2 2 0.0% 0 1 1 0.0% — — — — — — — — 2014 1 6 7 14.3% — — — — — — — — — — — —
25 2012 1 2 3 33.3% 6 4 10 60.0% 0 1 1 0.0% — — — — 2015 0 1 1 0.0% — — — — — — — — — — — —
26 2013 6 6 12 50.0% 11 8 19 57.9% 3 1 4 75.0% — — — — — — — — — — — — — — — — — — — — —
27 2014 13 15 28 46.4% 4 7 11 36.4% 0 1 1 0.0% 1 1 2 50.0% — — — — — — — — — — — — — — — — —
28 2015 10 13 23 43.5% 12 4 16 75.0% 0 3 3 0.0% — — — — — — — — — — — — — — — — — — — — —
29 2016 0 4 4 0.0% 5 5 10 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
30 2017 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 44 62 106 41.5% 55 45 100 55.0% 3 9 12 25.0% 1 2 3 33.3% — 37 60 97 38.1% 9 13 22 40.9% 3 11 14 21.4% — — — —

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 191/221 of Karin Knapp's and 110/133 of Yung Jan Chan'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 Karin Knapp Yung Jan Chan
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%
15 — —/— — — — — — — — — — 2005 1/1 0.0 2.0 70.3% 51.9% 36.4% 44.4% 33.3% 47.3% 34.7%
16 — —/— — — — — — — — — — 2006 1/6 1.0 1.0 64.3% 55.6% 45.0% 50.0% 25.0% 51.8% 36.9%
17 — —/— — — — — — — — — — 2007 20/26 1.0 2.9 63.9% 55.2% 44.0% 43.6% 42.9% 50.8% 44.8%
18 — —/— — — — — — — — — — 2008 29/35 1.3 3.2 61.2% 58.0% 45.7% 51.3% 45.1% 53.4% 44.0%
19 2006 2/7 2.5 4.5 56.9% 69.2% 46.9% 37.5% 67.9% 60.1% 43.1% 2009 19/19 1.4 3.3 65.6% 57.2% 41.3% 50.4% 59.2% 51.7% 44.3%
20 2007 19/28 3.0 6.3 54.6% 65.6% 42.6% 50.6% 36.5% 55.0% 44.6% 2010 14/18 1.4 2.8 68.1% 61.8% 33.7% 50.1% 42.3% 52.5% 40.1%
21 2008 21/25 2.1 5.0 60.9% 60.3% 40.5% 48.7% 51.3% 52.6% 43.1% 2011 8/9 0.9 3.1 66.8% 57.1% 39.9% 37.4% 51.8% 51.1% 45.6%
22 2009 8/9 0.8 5.3 50.2% 59.7% 41.0% 49.3% 44.6% 49.7% 43.9% 2012 7/8 1.6 2.6 68.6% 58.2% 46.2% 45.0% 59.8% 54.2% 43.7%
23 — —/— — — — — — — — — — 2013 3/3 0.3 4.0 70.1% 58.7% 49.3% 57.3% 51.5% 55.9% 44.1%
24 2011 3/3 1.0 10.7 59.1% 60.2% 39.8% 51.3% 49.7% 51.6% 41.5% 2014 7/7 0.4 4.1 72.7% 53.5% 36.6% 53.0% 50.5% 49.1% 43.1%
25 2012 14/14 1.6 6.0 59.3% 60.0% 40.5% 49.9% 43.5% 52.0% 44.1% 2015 1/1 5.0 9.0 65.5% 67.3% 20.7% 55.6% 25.0% 51.2% 42.4%
26 2013 29/35 2.9 5.0 56.6% 67.7% 43.8% 54.9% 50.9% 57.4% 46.7% — —/— — — — — — — — — —
27 2014 39/42 3.6 4.7 57.7% 65.5% 43.2% 50.6% 51.2% 55.9% 41.9% — —/— — — — — — — — — —
28 2015 41/42 2.5 4.2 64.1% 61.4% 48.0% 52.5% 49.5% 56.7% 43.8% — —/— — — — — — — — — —
29 2016 14/15 2.7 4.9 56.1% 61.7% 41.1% 46.8% 45.0% 52.8% 40.7% — —/— — — — — — — — — —
30 2017 1/1 3.0 5.0 48.1% 60.0% 29.6% 58.3% 50.0% 44.2% 44.7% — —/— — — — — — — — — —
Career — 191/221 2.6 5.1 58.6% 63.4% 43.5% 51.0% 48.2% 55.0% 43.6% — 110/133 1.2 3.2 65.3% 57.5% 41.9% 48.4% 48.3% 52.1% 43.6%

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 Karin Knapp Yung Jan Chan
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
15 — — — — — — — — — — — — — — — — 2005 1499 114.7 +1.11 +4.59 0.658 42.3% — — — 0.0% -4.00 — — — -0.28
16 — — — — — — — — — — — — — — — — 2006 1526 114.7 -1.66 -2.19 0.766 43.8% +28 — — 53.8% +1.00 0–1 0–1 — +0.30
17 — — — — — — — — — — — — — — — — 2007 1573 120.6 -3.59 +0.50 0.909 47.8% -5 +2 -14 41.4% -0.60 2–6 (25%) 1–2 (33%) 94.6 -0.31
18 — — — — — — — — — — — — — — — — 2008 1607 124.5 -1.27 +0.65 0.945 48.9% -19 -17 -72 45.2% -0.43 6–8 (43%) 1–5 (17%) 97.0 -0.98
19 2006 1513 108.6 -0.12 -2.10 1.081 52.1% -5 +47 — 47.1% +0.47 1–2 (33%) 2–4 (33%) 98.3 +0.25 2009 1596 119.8 -1.78 +0.07 0.918 48.2% +14 — -91 39.5% -0.74 2–3 (40%) 1–1 — -1.09
20 2007 1587 121.4 -0.55 -0.12 0.990 49.7% -69 +90 — 49.3% 0.00 6–7 (46%) 6–3 (67%) 101.3 +0.69 2010 1532 109.8 -1.37 -2.21 0.844 46.3% +22 — -35 32.4% -1.00 1–2 (33%) 0–1 — +0.58
21 2008 1603 120.0 -1.76 -0.63 0.909 48.0% -25 +27 — 46.6% -0.74 3–5 (38%) 5–3 (63%) 99.5 +1.04 2011 1531 113.4 -2.22 +0.98 0.932 48.4% -16 +57 — 36.8% -0.58 0–3 (0%) 0–1 — -0.15
22 2009 1556 96.3 -3.79 -1.88 0.874 46.7% +5 — — 25.0% -1.75 — 1–1 — +1.05 2012 1584 120.9 -0.16 -0.50 0.955 49.0% -12 +11 — 50.0% +0.36 1–1 3–3 (50%) — -0.12
23 — — — — — — — — — — — — — — — — 2013 1583 111.3 -0.50 +0.31 1.001 50.5% -15 — — 37.5% +0.25 1–1 — — -0.15
24 2011 1531 107.5 +1.01 -0.38 0.858 47.0% — — — 33.3% -1.11 0–3 (0%) 2–1 (67%) — -0.47 2014 1524 105.5 -2.36 -1.45 0.846 46.1% -15 — — 23.5% -1.71 1–2 (33%) 0–1 — -0.24
25 2012 1562 108.4 -2.46 -0.27 0.918 48.2% -36 +93 — 45.7% -0.69 5–2 (71%) 1–1 — +0.13 2015 1505 97.8 -1.75 +1.24 0.868 46.7% — — — 0.0% -1.50 — 0–1 — +0.18
26 2013 1681 127.7 +1.14 +1.48 1.097 52.0% -86 -9 -89 57.3% +0.40 5–7 (42%) 5–1 (83%) 103.3 +0.66 — — — — — — — — — — — — — — — —
27 2014 1645 120.9 -0.61 -1.24 0.951 49.0% -13 -18 — 45.7% -0.48 4–8 (33%) 6–5 (55%) 97.7 +0.92 — — — — — — — — — — — — — — — —
28 2015 1704 130.8 -0.82 +1.99 1.010 50.4% -81 +81 -160 53.8% +0.27 6–5 (55%) 7–7 (50%) 102.7 -0.73 — — — — — — — — — — — — — — — —
29 2016 1637 105.2 -1.99 -0.46 0.862 46.9% -62 +121 — 36.4% -1.42 1–4 (20%) 2–0 — -0.47 — — — — — — — — — — — — — — — —
30 2017 1618 — -0.56 -4.07 0.802 44.4% — — — — — — — — +0.14 — — — — — — — — — — — — — — — —
Career — 1711 124.9 -0.85 +0.14 0.969 49.4% -43 +53 -119 48.2% -0.26 31–43 (42%) 37–26 (59%) 103.3 +1.45 — 1636 125.8 -1.83 -0.02 0.910 48.0% -2 +3 -50 40.1% -0.58 14–27 (34%) 6–16 (27%) 87.7 -1.70

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.