H2H data updated: 2026-07-20 07:16 UTC
Jan Siemerink vs Stefan Koubek H2H: 0-1
Stefan Koubek holds a 1–0 lead over Jan Siemerink in their ATP head-to-head. Across 1 main-draw meeting, Stefan Koubek leads 1–0 on clay. Most recently, Stefan Koubek won the 2001 Kitzbuhel second round 7-5 6-0.
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NED
Age 56
Left-Handed
183 cm / 6'0"
H2H
0
–
1
1 main draw meetings
AUT
Age 49
Left-Handed
175 cm / 5'9"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Jul 25, 2001* | Kitzbuhel | ATP 250 | R64 | Clay | Stefan Koubek | 7-5 6-0 | Jan Siemerink | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Siemerink | #987 | #14 | 1,863 | 1,908 | 261 | 260 | 50.1% | 0 | 0 | 0 | 0 | 4 | 4 |
| Stefan Koubek | #906 | #20 | 1,143 | 1,794 | 195 | 235 | 45.3% | 0 | 0 | 0 | 0 | 3 | 3 |
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 | Jan Siemerink | Stefan Koubek | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | — | — | — | — | — | — | — | 1994 | 0–1 | 0.0% | #1219 | 1,485 | 0 | 0 |
| 19 | — | — | — | — | — | — | — | 1996 | 1–2 | 33.3% | #311 | 1,481 | 0 | 0 |
| 20 | 1990 | 5–4 | 55.6% | #135 | 1,541 | 0 | 0 | 1997 | 4–2 | 66.7% | #125 | 1,543 | 0 | 0 |
| 21 | 1991 | 30–21 | 58.8% | #26 | 1,756 | 0 | 1 | 1998 | 2–4 | 33.3% | #93 | 1,533 | 0 | 0 |
| 22 | 1992 | 22–26 | 45.8% | #57 | 1,747 | 0 | 1 | 1999 | 29–25 | 53.7% | #46 | 1,681 | 0 | 1 |
| 23 | 1993 | 24–25 | 49.0% | #53 | 1,670 | 0 | 1 | 2000 | 26–27 | 49.1% | #54 | 1,627 | 0 | 2 |
| 24 | 1994 | 16–19 | 45.7% | #81 | 1,685 | 0 | 1 | 2001 | 20–22 | 47.6% | #63 | 1,698 | 0 | 2 |
| 25 | 1995 | 37–29 | 56.1% | #21 | 1,784 | 0 | 1 | 2002 | 18–31 | 36.7% | #54 | 1,578 | 0 | 2 |
| 26 | 1996 | 35–27 | 56.5% | #15 | 1,866 | 0 | 2 | 2003 | 19–24 | 44.2% | #53 | 1,647 | 0 | 3 |
| 27 | 1997 | 18–27 | 40.0% | #78 | 1,738 | 0 | 2 | 2004 | 22–24 | 47.8% | #60 | 1,754 | 0 | 3 |
| 28 | 1998 | 38–24 | 61.3% | #19 | 1,809 | 0 | 4 | 2005 | 6–15 | 28.6% | #182 | 1,568 | 0 | 3 |
| 29 | 1999 | 17–25 | 40.5% | #88 | 1,665 | 0 | 4 | 2006 | 14–9 | 60.9% | #80 | 1,693 | 0 | 3 |
| 30 | 2000 | 7–14 | 33.3% | #104 | 1,576 | 0 | 4 | 2007 | 22–26 | 45.8% | #47 | 1,760 | 0 | 3 |
| 31 | 2001 | 12–17 | 41.4% | #127 | 1,564 | 0 | 4 | 2008 | 3–6 | 33.3% | #192 | 1,703 | 0 | 3 |
| 32 | 2002 | 0–2 | 0.0% | #438 | 1,532 | 0 | 4 | 2009 | 6–11 | 35.3% | #135 | 1,636 | 0 | 3 |
| 33 | — | — | — | — | — | — | — | 2010 | 3–5 | 37.5% | #131 | 1,632 | 0 | 3 |
| 34 | — | — | — | — | — | — | — | 2011 | 0–1 | 0.0% | #647 | 1,602 | 0 | 3 |