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

Jiri Hrebec vs Sammy Giammalva Jr H2H: 0-1

Sammy Giammalva Jr holds a 1–0 lead over Jiri Hrebec in their ATP head-to-head. Across 1 main-draw meeting, Sammy Giammalva Jr leads 1–0 on hard courts. Most recently, Sammy Giammalva Jr won the 1981 Cologne round of 16 4-6 7-6 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.

Jiri Hrebec
CZE Age 75 Right-Handed 183 cm / 6'0"
H2H
0 – 1
1 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sammy Giammalva Jr 4-6 7-6 7-5 Jiri Hrebec Match data Oct 30, 1981* R16 Cologne 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
Jiri Hrebec #759 #25 0 1,912 171 170 50.1% 0 0 0 0 4 4
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 Jiri Hrebec Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1968 0–1 0.0% — 1,484 0 0 — — — — — — —
19 1970 1–1 50.0% — 1,503 0 0 — — — — — — —
20 1971 6–5 54.5% — 1,591 0 0 — — — — — — —
21 1972 11–9 55.0% — 1,671 0 0 — — — — — — —
22 1973 29–20 59.2% #44 1,847 0 2 — — — — — — —
23 1974 24–19 55.8% #43 1,776 0 2 — — — — — — —
24 1975 21–17 55.3% #53 1,744 0 3 — — — — — — —
25 1976 27–27 50.0% #69 1,773 0 3 — — — — — — —
26 1977 25–21 54.3% #61 1,763 0 4 — — — — — — —
27 1978 9–16 36.0% #126 1,635 0 4 — — — — — — —
28 1979 7–13 35.0% #92 1,590 0 4 — — — — — — —
29 1980 8–12 40.0% #132 1,590 0 4 — — — — — — —
30 1981 3–9 25.0% — 1,534 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 Jiri Hrebec 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 1968 — — — — 0 1 1 0.0% — — — — — — — — 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 1970 — — — — 1 1 2 50.0% — — — — — — — — 1982 0 3 3 0.0% 1 5 6 16.7% 6 3 9 66.7% 1 4 5 20.0%
20 1971 — — — — 4 4 8 50.0% 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 1972 1 1 2 50.0% 7 6 13 53.8% 3 1 4 75.0% 0 1 1 0.0% 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1973 3 6 9 33.3% 18 11 29 62.1% 8 2 10 80.0% 0 1 1 0.0% 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1974 5 4 9 55.6% 15 11 26 57.7% 1 2 3 33.3% 3 2 5 60.0% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1975 4 3 7 57.1% 6 6 12 50.0% 0 1 1 0.0% 11 7 18 61.1% 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1976 0 1 1 0.0% 16 13 29 55.2% 0 1 1 0.0% 11 12 23 47.8% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1977 8 5 13 61.5% 14 12 26 53.8% — — — — 3 4 7 42.9% 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
27 1978 0 3 3 0.0% 7 8 15 46.7% 0 1 1 0.0% 2 4 6 33.3% — — — — — — — — — — — — — — — — —
28 1979 1 5 6 16.7% 6 7 13 46.2% — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
29 1980 0 1 1 0.0% 8 9 17 47.1% 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
30 1981 1 4 5 20.0% 2 5 7 28.6% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 23 33 56 41.1% 104 94 198 52.5% 14 10 24 58.3% 30 33 63 47.6% — 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 Jiri Hrebec 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 1968 1484 96.5 — — — — — — — 0.0% -3.50 — — — +0.03 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 1970 1503 102.6 — — — — — — — 50.0% -1.00 — — — -0.12 1982 1623 123.4 — — — — -34 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1971 1592 115.1 — — — — — -30 -3 52.8% +0.28 3–2 (60%) — — +0.54 1983 1701 132.6 — — — — -1 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1972 1672 126.2 — — — — — 0 -26 54.9% +0.43 4–1 (80%) 0–2 — +0.78 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1973 1848 138.1 — — — — -296 -7 -78 59.7% +0.71 5–7 (42%) 5–5 (50%) 98.2 +1.18 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1974 1776 136.2 — — — — -72 -3 -23 52.9% +0.03 10–3 (77%) 2–3 (40%) 107.3 -1.75 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1975 1745 136.4 — — — — +47 -6 — 54.3% +0.31 5–6 (45%) 9–5 (64%) 99.9 +1.07 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1976 1773 151.3 — — — — +22 +3 — 48.5% -0.07 11–9 (55%) 5–9 (36%) 98.7 -2.76 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1977 1763 137.8 — — — — +9 +8 — 54.0% +0.27 8–6 (57%) 4–3 (57%) 101.6 +0.86 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
27 1978 1635 123.5 — — — — +33 +93 — 40.7% -0.39 4–5 (44%) 1–5 (17%) 94.4 +0.68 — — — — — — — — — — — — — — — —
28 1979 1590 130.2 — — — — -21 +141 — 42.9% -0.52 1–3 (25%) 0–2 — +0.33 — — — — — — — — — — — — — — — —
29 1980 1590 125.2 — — — — — +98 — 39.1% -0.76 2–2 (50%) 2–3 (40%) 98.4 +0.75 — — — — — — — — — — — — — — — —
30 1981 1535 113.9 — — — — -33 +87 — 35.5% -0.71 0–3 (0%) 1–2 (33%) 95.3 +0.76 — — — — — — — — — — — — — — — —
Career — 1913 142.0 — — — — -18 +27 -48 50.7% +0.07 53–47 (53%) 29–39 (43%) 96.7 +0.70 — 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.