H2H data updated: 2026-09-08 00:00 UTC

Julian Alonso vs Jason Stoltenberg H2H: 0-1

Jason Stoltenberg holds a 1–0 lead over Julian Alonso in their ATP head-to-head. Across 1 main-draw meeting, Jason Stoltenberg leads 1–0 on hard courts. Most recently, Jason Stoltenberg won the 1998 Sydney International round of 32 6-3 6-2.

ESP Age 49 Right-Handed 185 cm / 6'1"
H2H
0 1
1 main-draw meetings
AUS Age 56 Right-Handed 185 cm / 6'1"

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Jason Stoltenberg #50 6-3 6-2 Julian Alonso #36 Match data Jan 15, 1998* R32 Sydney International 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
Julian Alonso #1,269 #30 1,113 1,702 50 64 43.9% 0 0 0 0 2 2
Jason Stoltenberg #556 #19 1,299 1,924 295 260 53.2% 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 Jason Stoltenberg
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1987 1–4 20.0% #413 1,470 0 0
18 1996 0–2 0.0% #227 1,485 0 0 1988 13–11 54.2% #70 1,640 0 0
19 1997 21–11 65.6% #36 1,702 0 1 1989 20–18 52.6% #84 1,694 0 0
20 1998 16–31 34.0% #103 1,559 0 2 1990 17–19 47.2% #108 1,681 0 0
21 1999 9–11 45.0% #112 1,591 0 2 1991 20–20 50.0% #75 1,717 0 0
22 2000 4–9 30.8% #170 1,543 0 2 1992 10–16 38.5% #168 1,623 0 0
23 1993 23–21 52.3% #44 1,697 0 1
24 1994 38–25 60.3% #21 1,773 0 2
25 1995 21–23 47.7% #80 1,737 0 2
26 1996 33–26 55.9% #31 1,758 0 3
27 1997 21–15 58.3% #79 1,768 0 4
28 1998 32–23 58.2% #27 1,790 0 4
29 1999 18–18 50.0% #80 1,698 0 4
30 2000 21–14 60.0% #66 1,684 0 4
31 2001 7–7 50.0% #185 1,679 0 4

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 Julian Alonso Jason Stoltenberg
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 %
17 1987 0 2 2 0.0% 1 2 3 33.3%
18 1996 0 2 2 0.0% 1988 10 7 17 58.8% 0 1 1 0.0% 3 3 6 50.0%
19 1997 5 3 8 62.5% 15 7 22 68.2% 1 1 2 50.0% 1989 18 12 30 60.0% 0 3 3 0.0% 2 2 4 50.0% 0 1 1 0.0%
20 1998 3 13 16 18.8% 13 16 29 44.8% 0 1 1 0.0% 0 1 1 0.0% 1990 12 14 26 46.2% 1 2 3 33.3% 3 2 5 60.0% 1 1 2 50.0%
21 1999 1 2 3 33.3% 8 8 16 50.0% 0 1 1 0.0% 1991 14 13 27 51.9% 1 2 3 33.3% 2 2 4 50.0% 3 3 6 50.0%
22 2000 0 4 4 0.0% 4 5 9 44.4% 1992 7 11 18 38.9% 0 2 2 0.0% 3 2 5 60.0% 0 1 1 0.0%
23 1993 12 14 26 46.2% 2 1 3 66.7% 8 2 10 80.0% 1 4 5 20.0%
24 1994 20 12 32 62.5% 6 3 9 66.7% 9 4 13 69.2% 3 6 9 33.3%
25 1995 14 14 28 50.0% 3 5 8 37.5% 4 2 6 66.7% 0 2 2 0.0%
26 1996 13 13 26 50.0% 12 4 16 75.0% 5 3 8 62.5% 3 6 9 33.3%
27 1997 4 9 13 30.8% 13 3 16 81.3% 4 3 7 57.1%
28 1998 17 14 31 54.8% 7 4 11 63.6% 6 3 9 66.7% 2 2 4 50.0%
29 1999 11 11 22 50.0% 5 4 9 55.6% 2 3 5 40.0%
30 2000 11 9 20 55.0% 7 3 10 70.0% 3 2 5 60.0%
31 2001 6 6 12 50.0% 1 1 2 50.0%
Career 9 22 31 29.0% 40 38 78 51.3% 0 2 2 0.0% 1 2 3 33.3% 169 161 330 51.2% 57 37 94 60.6% 56 36 92 60.9% 13 26 39 33.3%

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 Julian Alonso Jason Stoltenberg
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
17 1987 1470 98.3 +57 28.6% -1.72 1–1 1–0 +0.28
18 1996 1485 105.6 0.0% -3.00 0–1 -0.20 1988 1641 128.8 +1 -52 54.0% +0.43 3–4 (43%) 3–5 (38%) 99.0 +0.82
19 1997 1703 138.3 -90 +22 56.8% +0.63 11–3 (79%) 3–6 (33%) 108.0 +0.69 1989 1694 129.1 +19 -212 -62 47.1% -0.26 10–3 (77%) 10–7 (59%) 109.1 +0.76
20 1998 1560 120.5 -57 +95 36.0% -0.89 6–9 (40%) 6–11 (35%) 94.4 +0.24 1990 1682 126.5 +4 -187 -9 45.1% -0.28 6–7 (46%) 3–6 (33%) 97.2 -0.61
21 1999 1591 119.4 -77 +90 43.1% -0.71 4–3 (57%) 5–3 (63%) 101.9 +0.71 1991 1717 139.4 +1.51 -0.35 1.028 50.4% +12 -219 -44 52.9% +0.10 3–9 (25%) 6–6 (50%) 94.0 -1.59
22 2000 1544 113.2 -93 +111 31.0% -0.93 3–1 (75%) 2–2 (50%) 103.3 -0.02 1992 1623 129.7 +0.01 -1.10 0.919 48.1% +32 +65 39.7% -0.51 5–4 (56%) 3–9 (25%) 96.3 -1.28
23 2001 1537 101.1 1993 1698 143.5 +0.33 +1.42 1.023 50.5% -55 -190 +101 52.2% +0.19 10–7 (59%) 8–9 (47%) 105.3 -2.27
24 1994 1774 152.9 +1.71 +2.78 1.095 51.7% -17 -200 +66 59.2% +0.70 10–10 (50%) 13–8 (62%) 104.5 -0.71
25 1995 1738 136.4 -1.40 +2.16 1.011 50.1% -9 -167 +89 50.0% -0.03 4–6 (40%) 4–7 (36%) 96.3 +0.50
26 1996 1758 143.0 +0.12 +2.37 1.036 50.6% -61 -37 +145 55.3% +0.33 9–10 (47%) 13–8 (62%) 104.5 -2.13
27 1997 1769 133.4 +0.71 +1.96 1.066 51.1% -139 +68 +107 54.3% +0.52 7–6 (54%) 2–9 (18%) 97.0 -1.30
28 1998 1791 143.8 +2.04 +2.13 1.113 51.8% -70 +79 +73 54.4% +0.48 12–11 (52%) 8–15 (35%) 100.5 -0.53
29 1999 1699 131.9 +0.78 +1.33 1.056 50.8% -15 +115 +76 51.1% +0.10 4–7 (36%) 7–10 (41%) 92.1 -1.41
30 2000 1685 132.4 +0.67 +2.49 1.141 52.2% -6 +138 +86 58.2% +0.75 8–5 (62%) 5–3 (63%) 102.7 +1.35
31 2001 1680 119.4 +0.94 +0.45 1.094 51.1% -38 48.7% +0.21 3–3 (50%) 2–7 (22%) 94.3 +0.23
Career 1703 127.4 -73 +75 42.4% -0.45 24–16 (60%) 16–23 (41%) 103.1 +1.25 1924 144.1 +0.74 +1.67 1.055 50.9% -22 -20 +61 52.3% +0.22 95–93 (51%) 88–109 (45%) 98.3 -1.43

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.