H2H data updated: 2026-07-19 14:15 UTC
Julian Alonso vs Jan Siemerink H2H: 0-1
Jan Siemerink holds a 1–0 lead over Julian Alonso in their ATP head-to-head. Across 1 main-draw meeting, Jan Siemerink leads 1–0 on hard courts. Most recently, Jan Siemerink won the 1998 Long Island third round 4-6 6-1 6-4.
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ESP
Age 48
Right-Handed
185 cm / 6'1"
H2H
0
–
1
1 main draw meetings
NED
Age 56
Left-Handed
183 cm / 6'0"
H2H Match Log
| Date | Tournament | Category | Round | Surface | Winner | Score | Loser | Match |
|---|---|---|---|---|---|---|---|---|
| Aug 27, 1998* | Long Island | ATP 250 | R32 | Hard | Jan Siemerink | 4-6 6-1 6-4 | Julian Alonso | 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Julian Alonso | #1,269 | #30 | 1,113 | 1,698 | 50 | 65 | 43.5% | 0 | 0 | 0 | 0 | 2 | 2 |
| Jan Siemerink | #987 | #14 | 1,863 | 1,908 | 261 | 260 | 50.1% | 0 | 0 | 0 | 0 | 4 | 4 |
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 | Julian Alonso | Jan Siemerink | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Yr | W-L | Win % | Rank | Elo | GS | Titles | Yr | W-L | Win % | Rank | Elo | GS | Titles | |
| -10 | 1968 | 0–1 | 0.0% | — | 1,483 | 0 | 0 | — | — | — | — | — | — | — |
| 18 | 1996 | 0–2 | 0.0% | #227 | 1,470 | 0 | 0 | — | — | — | — | — | — | — |
| 19 | 1997 | 21–11 | 65.6% | #36 | 1,698 | 0 | 1 | — | — | — | — | — | — | — |
| 20 | 1998 | 16–31 | 34.0% | #103 | 1,559 | 0 | 2 | 1990 | 5–4 | 55.6% | #135 | 1,541 | 0 | 0 |
| 21 | 1999 | 9–11 | 45.0% | #112 | 1,590 | 0 | 2 | 1991 | 30–21 | 58.8% | #26 | 1,756 | 0 | 1 |
| 22 | 2000 | 4–9 | 30.8% | #170 | 1,543 | 0 | 2 | 1992 | 22–26 | 45.8% | #57 | 1,747 | 0 | 1 |
| 23 | — | — | — | — | — | — | — | 1993 | 24–25 | 49.0% | #53 | 1,670 | 0 | 1 |
| 24 | — | — | — | — | — | — | — | 1994 | 16–19 | 45.7% | #81 | 1,685 | 0 | 1 |
| 25 | — | — | — | — | — | — | — | 1995 | 37–29 | 56.1% | #21 | 1,784 | 0 | 1 |
| 26 | — | — | — | — | — | — | — | 1996 | 35–27 | 56.5% | #15 | 1,866 | 0 | 2 |
| 27 | — | — | — | — | — | — | — | 1997 | 18–27 | 40.0% | #78 | 1,738 | 0 | 2 |
| 28 | — | — | — | — | — | — | — | 1998 | 38–24 | 61.3% | #19 | 1,809 | 0 | 4 |
| 29 | — | — | — | — | — | — | — | 1999 | 17–25 | 40.5% | #88 | 1,665 | 0 | 4 |
| 30 | — | — | — | — | — | — | — | 2000 | 7–14 | 33.3% | #104 | 1,576 | 0 | 4 |
| 31 | — | — | — | — | — | — | — | 2001 | 12–17 | 41.4% | #127 | 1,564 | 0 | 4 |
| 32 | — | — | — | — | — | — | — | 2002 | 0–2 | 0.0% | #438 | 1,532 | 0 | 4 |