Jan Siemerink
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Gianluca Pozzi | 5 | 4 | 9 | Jun 14, 2001 | H2H |
| Goran Ivanisevic | 5 | 4 | 9 | Feb 25, 1999 | H2H |
| Greg Rusedski | 6 | 3 | 9 | Oct 4, 1998 | H2H |
| Stefan Edberg | 2 | 6 | 8 | Oct 12, 1996 | H2H |
| Magnus Larsson | 2 | 5 | 7 | May 3, 2001 | H2H |
H2H data updated: 2026-09-08 00:00 UTC
Jan Siemerink vs Alex Obrien H2H: 2-1
Jan Siemerink holds a 2–1 lead over Alex Obrien in their ATP head-to-head. Across 3 main-draw meetings, Jan Siemerink leads 2–1 on hard courts. Most recently, Jan Siemerink won the 1999 Miami Open round of 64 7-5 7-5.
Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.
H2H Match Log
| Player | Score | Player | Match Data | Date | Round | Tournament | Category | Surface |
|---|---|---|---|---|---|---|---|---|
| Jan Siemerink | 7-5 7-5 | Alex Obrien | Match data | Mar 17, 1999* | R64 | Miami Open | Masters 1000 | Hard |
| Alex Obrien | 7-6(6) 6-4 | Jan Siemerink | Match data | Aug 18, 1996* | F | New Haven | Championship Series → modern equivalent ATP 500 | Hard |
| Jan Siemerink | 7-5 6-3 | Alex Obrien | Match data | Jan 13, 1995* | R16 | ASB Classic | ATP World Series → modern equivalent ATP 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan Siemerink | #987 | #14 | 1,863 | 1,902 | 261 | 262 | 49.9% | 0 | 0 | 0 | 0 | 4 | 4 |
| Alex Obrien | — | — | — | 1,794 | — | — | — | 0 | 0 | 0 | 1 | 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.
| Jan Siemerink | Alex Obrien | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles |
| 1990 | 5–4 | 55.6% | #135 | 1,541 | 0 | 0 | — | — | — | — | — | — | — |
| 1991 | 30–21 | 58.8% | #26 | 1,756 | 0 | 1 | — | — | — | — | — | — | — |
| 1992 | 22–27 | 44.9% | #57 | 1,741 | 0 | 1 | — | — | — | — | — | — | — |
| 1993 | 24–25 | 49.0% | #53 | 1,669 | 0 | 1 | — | — | — | — | — | — | — |
| 1994 | 16–19 | 45.7% | #81 | 1,686 | 0 | 1 | — | — | — | — | — | — | — |
| 1995 | 37–29 | 56.1% | #21 | 1,768 | 0 | 1 | — | — | — | — | — | — | — |
| 1996 | 35–28 | 55.6% | #15 | 1,861 | 0 | 2 | — | — | — | — | — | — | — |
| 1997 | 18–27 | 40.0% | #78 | 1,738 | 0 | 2 | — | — | — | — | — | — | — |
| 1998 | 38–24 | 61.3% | #19 | 1,809 | 0 | 4 | — | — | — | — | — | — | — |
| 1999 | 17–25 | 40.5% | #88 | 1,653 | 0 | 4 | — | — | — | — | — | — | — |
| 2000 | 7–14 | 33.3% | #104 | 1,573 | 0 | 4 | — | — | — | — | — | — | — |
| 2001 | 12–17 | 41.4% | #127 | 1,563 | 0 | 4 | — | — | — | — | — | — | — |
| 2002 | 0–2 | 0.0% | #438 | 1,531 | 0 | 4 | — | — | — | — | — | — | — |
Surface Results by Career Season
Rows are aligned in career order because complete birth data is unavailable. 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.
| Jan Siemerink | Alex Obrien | ||||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | Hard | Clay | Grass | Carpet | Yr | Hard | Clay | Grass | Carpet | ||||||||||||||||||||||||
| 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 % | ||
| 1990 | 3 | 2 | 5 | 60.0% | — | — | — | — | 1 | 1 | 2 | 50.0% | 1 | 1 | 2 | 50.0% | 1991 | 1 | 1 | 2 | 50.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 1991 | 16 | 7 | 23 | 69.6% | 0 | 4 | 4 | 0.0% | 1 | 3 | 4 | 25.0% | 13 | 7 | 20 | 65.0% | 1992 | 3 | 4 | 7 | 42.9% | — | — | — | — | 0 | 1 | 1 | 0.0% | — | — | — | — |
| 1992 | 10 | 12 | 22 | 45.5% | 2 | 6 | 8 | 25.0% | 1 | 2 | 3 | 33.3% | 9 | 7 | 16 | 56.3% | 1993 | 8 | 14 | 22 | 36.4% | 4 | 3 | 7 | 57.1% | 0 | 3 | 3 | 0.0% | — | — | — | — |
| 1993 | 11 | 13 | 24 | 45.8% | 4 | 4 | 8 | 50.0% | 1 | 3 | 4 | 25.0% | 8 | 5 | 13 | 61.5% | 1994 | 11 | 12 | 23 | 47.8% | 1 | 5 | 6 | 16.7% | 3 | 4 | 7 | 42.9% | 2 | 3 | 5 | 40.0% |
| 1994 | 9 | 11 | 20 | 45.0% | 1 | 2 | 3 | 33.3% | — | — | — | — | 6 | 6 | 12 | 50.0% | 1995 | 4 | 9 | 13 | 30.8% | 0 | 3 | 3 | 0.0% | 2 | 3 | 5 | 40.0% | 0 | 2 | 2 | 0.0% |
| 1995 | 20 | 12 | 32 | 62.5% | 7 | 6 | 13 | 53.8% | 3 | 3 | 6 | 50.0% | 7 | 8 | 15 | 46.7% | 1996 | 15 | 8 | 23 | 65.2% | — | — | — | — | — | — | — | — | 3 | 2 | 5 | 60.0% |
| 1996 | 14 | 14 | 28 | 50.0% | 2 | 4 | 6 | 33.3% | 7 | 2 | 9 | 77.8% | 12 | 8 | 20 | 60.0% | 1997 | 10 | 14 | 24 | 41.7% | 2 | 5 | 7 | 28.6% | 5 | 3 | 8 | 62.5% | 2 | 4 | 6 | 33.3% |
| 1997 | 10 | 12 | 22 | 45.5% | 4 | 5 | 9 | 44.4% | 1 | 3 | 4 | 25.0% | 3 | 7 | 10 | 30.0% | 1998 | 5 | 8 | 13 | 38.5% | 0 | 3 | 3 | 0.0% | 2 | 3 | 5 | 40.0% | — | — | — | — |
| 1998 | 18 | 11 | 29 | 62.1% | 0 | 4 | 4 | 0.0% | 8 | 3 | 11 | 72.7% | 12 | 6 | 18 | 66.7% | 1999 | 3 | 5 | 8 | 37.5% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — |
| 1999 | 10 | 12 | 22 | 45.5% | 1 | 4 | 5 | 20.0% | 2 | 3 | 5 | 40.0% | 4 | 6 | 10 | 40.0% | 2000 | 2 | 3 | 5 | 40.0% | — | — | — | — | 1 | 1 | 2 | 50.0% | 0 | 1 | 1 | 0.0% |
| 2000 | 2 | 8 | 10 | 20.0% | 4 | 3 | 7 | 57.1% | 1 | 3 | 4 | 25.0% | — | — | — | — | 2001 | 0 | 2 | 2 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — |
| 2001 | 6 | 6 | 12 | 50.0% | 4 | 7 | 11 | 36.4% | 2 | 4 | 6 | 33.3% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2002 | 0 | 1 | 1 | 0.0% | 0 | 1 | 1 | 0.0% | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 129 | 121 | 250 | 51.6% | 29 | 50 | 79 | 36.7% | 28 | 30 | 58 | 48.3% | 75 | 61 | 136 | 55.1% | Career | 62 | 80 | 142 | 43.7% | 7 | 20 | 27 | 25.9% | 13 | 18 | 31 | 41.9% | 7 | 12 | 19 | 36.8% |
Advanced Statistics Comparison by Career Season
Rows are aligned in career order because complete birth data is unavailable. 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.
| Jan Siemerink | Alex Obrien | ||||||||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 |
| 1990 | 1541 | 108.1 | — | — | — | — | +36 | — | — | 52.6% | -0.05 | 1–0 | — | — | +1.03 | 1991 | 1517 | 112.7 | — | — | — | — | — | — | — | 50.0% | +0.25 | — | 0–1 | — | -0.11 |
| 1991 | 1757 | 143.1 | +3.22 | -0.58 | 1.074 | 51.5% | +40 | -248 | -209 | 55.7% | +0.44 | 11–10 (52%) | 14–13 (52%) | 103.1 | -0.39 | 1992 | 1539 | 119.0 | — | — | — | — | +46 | — | — | 40.0% | -0.90 | 1–1 | 4–1 (80%) | — | 0.00 |
| 1992 | 1741 | 139.7 | +1.78 | -2.28 | 0.929 | 49.2% | +31 | -264 | -201 | 43.8% | -0.47 | 7–7 (50%) | 10–6 (63%) | 101.1 | -2.48 | 1993 | 1540 | 120.7 | — | — | — | — | +25 | +21 | -29 | 41.3% | -0.76 | 4–7 (36%) | 8–4 (67%) | 100.5 | -0.23 |
| 1993 | 1669 | 136.6 | +2.63 | -1.58 | 1.020 | 50.4% | +20 | -120 | -143 | 50.0% | +0.11 | 8–11 (42%) | 13–14 (48%) | 93.9 | +0.60 | 1994 | 1627 | 133.6 | — | — | — | — | +25 | -93 | -105 | 45.3% | -0.40 | 5–10 (33%) | 9–6 (60%) | 98.5 | -0.65 |
| 1994 | 1686 | 139.2 | +3.09 | -0.26 | 1.054 | 50.9% | -6 | -131 | — | 48.8% | +0.01 | 3–7 (30%) | 8–8 (50%) | 97.2 | -1.29 | 1995 | 1557 | 125.1 | — | — | — | — | +31 | -56 | -20 | 32.2% | -0.90 | 2–5 (29%) | 3–3 (50%) | 98.1 | -0.97 |
| 1995 | 1768 | 149.5 | +3.33 | -1.32 | 1.035 | 50.6% | -12 | -116 | -191 | 54.4% | +0.22 | 11–8 (58%) | 12–7 (63%) | 111.6 | -2.79 | 1996 | 1759 | 146.1 | — | — | — | — | +15 | — | — | 59.2% | +0.39 | 6–5 (55%) | 8–5 (62%) | 106.8 | +0.66 |
| 1996 | 1862 | 148.8 | +2.53 | -0.73 | 1.019 | 50.6% | -13 | -212 | -147 | 54.0% | +0.10 | 11–10 (52%) | 30–16 (65%) | 109.9 | -1.35 | 1997 | 1634 | 132.7 | — | — | — | — | +19 | -148 | +27 | 46.7% | -0.07 | 7–14 (33%) | 12–14 (46%) | 95.7 | +0.79 |
| 1997 | 1739 | 137.7 | +1.77 | -1.30 | 0.987 | 50.2% | +24 | -75 | -78 | 43.8% | -0.28 | 7–12 (37%) | 12–13 (48%) | 97.6 | -0.14 | 1998 | 1638 | 120.6 | — | — | — | — | +5 | -194 | -12 | 41.0% | -0.61 | 2–6 (25%) | 4–4 (50%) | 97.2 | -0.70 |
| 1998 | 1810 | 145.1 | +3.80 | -2.09 | 1.038 | 50.9% | +13 | -234 | -13 | 57.3% | +0.46 | 15–7 (68%) | 14–16 (47%) | 103.5 | -0.24 | 1999 | 1625 | 122.3 | — | — | — | — | +24 | — | — | 31.6% | -1.21 | 1–0 | 1–0 | — | -0.46 |
| 1999 | 1654 | 132.5 | +1.25 | -2.98 | 0.884 | 48.1% | +56 | -141 | +72 | 42.6% | -0.49 | 6–7 (46%) | 7–9 (44%) | 96.5 | +0.21 | 2000 | 1648 | 113.8 | — | — | — | — | -20 | — | — | 36.4% | -0.59 | 1–1 | 1–3 (25%) | — | +0.21 |
| 2000 | 1573 | 115.4 | -0.13 | -3.10 | 0.870 | 47.9% | +66 | -41 | +96 | 37.0% | -0.83 | 3–5 (38%) | 4–2 (67%) | 98.7 | +0.50 | 2001 | 1628 | 110.2 | — | — | — | — | — | — | — | 28.6% | -1.28 | 0–1 | 1–1 | — | -0.08 |
| 2001 | 1564 | 122.8 | +0.45 | -4.28 | 0.859 | 47.7% | +102 | -52 | +33 | 38.7% | -0.73 | 6–4 (60%) | 6–11 (35%) | 101.1 | -0.11 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| 2002 | 1531 | 102.5 | -1.57 | -0.36 | 0.773 | 46.8% | — | — | — | 20.0% | -1.20 | 0–1 | 1–3 (25%) | — | -0.01 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
| Career | 1902 | 144.8 | +2.44 | -1.62 | 0.993 | 50.1% | +20 | -133 | -71 | 49.5% | -0.03 | 89–89 (50%) | 131–118 (53%) | 104.4 | -1.24 | Career | 1795 | 135.4 | — | — | — | — | +20 | -85 | -27 | 43.8% | -0.41 | 29–50 (37%) | 51–42 (55%) | 100.1 | -0.71 |
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.
Alex Obrien
all rivalries →| Opponent | W | L | M | Last Played | H2H |
|---|---|---|---|---|---|
| Richard Krajicek | 2 | 4 | 6 | Sep 4, 1998 | — |
| David Wheaton | 0 | 6 | 6 | Sep 1, 1996 | — |
| Jonathan Stark | 1 | 4 | 5 | Feb 15, 1995 | — |
| Gianluca Pozzi | 2 | 2 | 4 | Jan 17, 2001 | — |
| Alex Corretja | 1 | 3 | 4 | Aug 12, 1998 | — |