H2H data updated: 2026-07-14 13:35 UTC
Stefan Koubek vs J. Diaz H2H: 0-1
Compare the head-to-head record, career totals, season-by-season performance, and match log for Stefan Koubek vs J. Diaz.
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AUT
Age 49
Left-Handed
175 cm / 5'9"
H2H
0
–
1
1 main draw meetings
ESP
Age 50
Right-Handed
173 cm / 5'8"
Career Comparison
| Metric | Stefan Koubek | J. Diaz |
|---|---|---|
| Peak Ranking | #20 | #68 |
| Peak Points | 1,143 | 622 |
| Peak Elo | 1,794 | 1,628 |
| Singles W-L | 195–235 | 28–62 |
| Win % | 45.3% | 31.1% |
| Grand Slam titles | 0 | 0 |
| Masters 1000 titles | 0 | 0 |
| ATP Finals titles | 0 | 0 |
| ATP 500 titles | 0 | 0 |
| ATP 250 titles | 3 | 0 |
| Total titles | 3 | 0 |
| Age | Stefan Koubek | J. Diaz | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Season | W-L | Win % | Rank | Elo | GS | Titles | Season | W-L | Win % | Rank | Elo | GS | Titles | |
| 17 | 1994 | 0–1 | 0.0% | #1219 | 1,485 | 0 | 0 | 1994 | 0–1 | 0.0% | #419 | 1,489 | 0 | 0 |
| 19 | 1996 | 1–2 | 33.3% | #311 | 1,481 | 0 | 0 | 1996 | 2–4 | 33.3% | #161 | 1,506 | 0 | 0 |
| 20 | 1997 | 4–2 | 66.7% | #125 | 1,543 | 0 | 0 | 1997 | 6–8 | 42.9% | #119 | 1,556 | 0 | 0 |
| 21 | 1998 | 2–4 | 33.3% | #93 | 1,533 | 0 | 0 | 1998 | 7–9 | 43.8% | #145 | 1,576 | 0 | 0 |
| 22 | 1999 | 29–25 | 53.7% | #46 | 1,681 | 0 | 1 | 1999 | 2–7 | 22.2% | #92 | 1,503 | 0 | 0 |
| 23 | 2000 | 26–27 | 49.1% | #54 | 1,627 | 0 | 2 | 2000 | 1–11 | 8.3% | #111 | 1,463 | 0 | 0 |
| 24 | 2001 | 20–22 | 47.6% | #63 | 1,698 | 0 | 2 | 2001 | 9–14 | 39.1% | #88 | 1,531 | 0 | 0 |
| 25 | 2002 | 18–31 | 36.7% | #54 | 1,578 | 0 | 2 | 2002 | 1–6 | 14.3% | #396 | 1,509 | 0 | 0 |
| 26 | 2003 | 19–24 | 44.2% | #53 | 1,647 | 0 | 3 | 2003 | 0–2 | 0.0% | #627 | 1,458 | 0 | 0 |
| 27 | 2004 | 22–24 | 47.8% | #60 | 1,754 | 0 | 3 | — | — | — | — | — | — | — |
| 28 | 2005 | 6–15 | 28.6% | #182 | 1,568 | 0 | 3 | — | — | — | — | — | — | — |
| 29 | 2006 | 14–9 | 60.9% | #80 | 1,693 | 0 | 3 | — | — | — | — | — | — | — |
| 30 | 2007 | 22–26 | 45.8% | #47 | 1,760 | 0 | 3 | — | — | — | — | — | — | — |
| 31 | 2008 | 3–6 | 33.3% | #192 | 1,703 | 0 | 3 | — | — | — | — | — | — | — |
| 32 | 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 | — | — | — | — | — | — | — |
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Mar 20, 2001* | Miami Masters | Masters 1000 | R128 | Hard | J. Diaz | 3-6 6-3 6-4 | Stefan Koubek | Match data |