H2H data updated: 2026-09-12 00:00 UTC

Ricki Osterthun vs Sammy Giammalva Jr H2H: 0-1

Sammy Giammalva Jr holds a 1–0 lead over Ricki Osterthun in their ATP head-to-head. Across 1 main-draw meeting, Sammy Giammalva Jr leads 1–0 on grass. Most recently, Sammy Giammalva Jr won the 1988 Wimbledon round of 128 6-7 6-2 6-1 4-6 6-4.

Want to explore more matchups? Advanced rivalry search lets you browse current and historical rivalries, unbeaten records, or every matchup for a player.

Ricki Osterthun
GER Age 62 Right-Handed 187 cm / 6'2"
H2H
0 – 1
1 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sammy Giammalva Jr 6-7 6-2 6-1 4-6 6-4 Ricki Osterthun #78 Match data Jun 22, 1988* R128 Wimbledon Grand Slam Grass

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
Ricki Osterthun #1,123 #58 182 1,696 60 79 43.2% 0 0 0 0 1 1
Sammy Giammalva Jr — — — 1,803 — — — 0 0 0 0 2 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.

Age Ricki Osterthun Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1984 2–1 66.7% #193 1,540 0 0 — — — — — — —
21 1985 7–10 41.2% #119 1,542 0 1 — — — — — — —
22 1986 15–17 46.9% #110 1,596 0 1 — — — — — — —
23 1987 19–22 46.3% #75 1,621 0 1 — — — — — — —
24 1988 12–19 38.7% #145 1,585 0 1 — — — — — — —
25 1989 4–8 33.3% #180 1,560 0 1 — — — — — — —
26 1990 1–2 33.3% #242 1,539 0 1 — — — — — — —

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 Ricki Osterthun Sammy Giammalva Jr
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 — — — — — — — — — — — — — — — — — 1980 6 3 9 66.7% 0 1 1 0.0% — — — — — — — —
18 — — — — — — — — — — — — — — — — — 1981 13 8 21 61.9% 8 7 15 53.3% — — — — 2 5 7 28.6%
19 — — — — — — — — — — — — — — — — — 1982 0 3 3 0.0% 1 5 6 16.7% 6 3 9 66.7% 1 4 5 20.0%
20 1984 2 1 3 66.7% — — — — — — — — — — — — 1983 11 10 21 52.4% 6 5 11 54.5% 2 3 5 40.0% 5 2 7 71.4%
21 1985 — — — — 7 5 12 58.3% 0 5 5 0.0% — — — — 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1986 2 4 6 33.3% 12 11 23 52.2% 0 1 1 0.0% 1 1 2 50.0% 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1987 5 8 13 38.5% 13 12 25 52.0% 0 1 1 0.0% 1 1 2 50.0% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1988 1 4 5 20.0% 9 10 19 47.4% 0 1 1 0.0% 2 4 6 33.3% 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1989 — — — — 4 7 11 36.4% — — — — 0 1 1 0.0% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1990 — — — — 1 1 2 50.0% — — — — 0 1 1 0.0% 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
Career — 10 17 27 37.0% 46 46 92 50.0% 0 8 8 0.0% 4 8 12 33.3% — 69 68 137 50.4% 25 32 57 43.9% 24 23 47 51.1% 26 29 55 47.3%

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 Ricki Osterthun Sammy Giammalva Jr
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 — — — — — — — — — — — — — — — — 1980 1608 127.7 — — — — +76 — — 50.0% -0.03 3–0 (100%) 1–0 — +0.70
18 — — — — — — — — — — — — — — — — 1981 1672 132.0 — — — — +26 -93 — 50.0% -0.02 15–10 (60%) 8–8 (50%) 103.8 +2.44
19 — — — — — — — — — — — — — — — — 1982 1623 123.4 — — — — -34 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1984 1540 105.9 — — — — +38 — — 50.0% +0.25 — — — -0.02 1983 1701 132.6 — — — — -1 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1985 1543 118.8 — — — — — +90 -86 43.5% -0.63 4–4 (50%) 3–3 (50%) 101.9 +0.90 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1986 1596 125.8 — — — — -49 +66 — 47.4% -0.24 3–6 (33%) 2–6 (25%) 92.7 +1.07 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1987 1621 132.1 — — — — -80 +91 — 47.6% -0.09 7–7 (50%) 5–5 (50%) 99.7 +0.65 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1988 1586 130.6 — — — — -75 +121 — 39.0% -0.71 8–6 (57%) 5–6 (45%) 102.6 -1.41 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1989 1560 117.1 — — — — — +98 — 37.9% -0.93 2–3 (40%) 2–1 (67%) — -0.37 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1990 1540 96.9 — — — — — — — 37.5% -0.50 1–1 — — +0.36 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
Career — 1697 130.8 — — — — -62 +92 -86 44.0% -0.41 25–27 (48%) 17–21 (45%) 97.2 +0.85 — 1804 139.1 — — — — +8 -94 +29 48.1% -0.11 55–47 (54%) 44–41 (52%) 103.6 +1.72

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.