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

Alejandro Ganzabal vs Sammy Giammalva Jr H2H: 1-0

Alejandro Ganzabal holds a 1–0 lead over Sammy Giammalva Jr in their ATP head-to-head. Across 1 main-draw meeting, Alejandro Ganzabal leads 1–0 on clay. Most recently, Alejandro Ganzabal won the 1982 South Orange round of 32 4-6 6-1 6-4.

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Alejandro Ganzabal
ARG Age 66 Right-Handed 180 cm / 5'11"
H2H
1 – 0
1 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Alejandro Ganzabal #69 4-6 6-1 6-4 Sammy Giammalva Jr Match data Jul 29, 1982* R32 South Orange ATP 250 Clay

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
Alejandro Ganzabal #599 #58 0 1,663 46 64 41.8% 0 0 0 0 0 0
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 Alejandro Ganzabal Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1976 0–1 0.0% — 1,491 0 0 — — — — — — —
20 1980 0–1 0.0% #215 1,482 0 0 — — — — — — —
21 1981 3–4 42.9% — 1,534 0 0 — — — — — — —
22 1982 15–15 50.0% #90 1,587 0 0 — — — — — — —
23 1983 9–13 40.9% #99 1,580 0 0 — — — — — — —
24 1984 9–7 56.2% #63 1,649 0 0 — — — — — — —
25 1985 7–17 29.2% #207 1,537 0 0 — — — — — — —
26 1986 3–5 37.5% #141 1,519 0 0 — — — — — — —
27 1987 0–1 0.0% #411 1,502 0 0 — — — — — — —

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 Alejandro Ganzabal 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 %
16 1976 — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
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 1980 — — — — 0 1 1 0.0% — — — — — — — — 1983 11 10 21 52.4% 6 5 11 54.5% 2 3 5 40.0% 5 2 7 71.4%
21 1981 — — — — 3 4 7 42.9% — — — — — — — — 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1982 — — — — 15 14 29 51.7% — — — — 0 1 1 0.0% 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1983 2 1 3 66.7% 7 12 19 36.8% — — — — — — — — 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1984 — — — — 9 7 16 56.3% — — — — — — — — 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1985 0 2 2 0.0% 7 15 22 31.8% — — — — — — — — 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1986 — — — — 3 5 8 37.5% — — — — — — — — 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
27 1987 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 2 4 6 33.3% 44 59 103 42.7% — — — — 0 1 1 0.0% — 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 Alejandro Ganzabal 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
16 1976 1491 99.6 — — — — — — — 0.0% -3.00 — — — +0.01 — — — — — — — — — — — — — — — —
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 1980 1482 102.6 — — — — — — — 33.3% -0.67 0–1 — — 0.00 1983 1701 132.6 — — — — -1 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1981 1535 118.5 — — — — — +23 — 42.1% -0.79 1–0 2–1 (67%) — +0.26 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1982 1588 129.5 — — — — — +52 — 50.0% -0.09 7–6 (54%) 4–6 (40%) 101.0 +2.69 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1983 1580 121.7 — — — — -15 +17 — 38.2% -0.67 7–3 (70%) 2–6 (25%) 101.8 +0.03 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1984 1650 124.7 — — — — — +22 — 55.3% +0.18 5–3 (63%) 6–3 (67%) 105.3 +0.54 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1985 1537 124.8 — — — — — +28 — 35.6% -0.88 2–6 (25%) 3–7 (30%) 94.0 +0.35 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1986 1519 103.0 — — — — — +38 — 33.3% -1.11 2–0 0–1 — +1.09 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
27 1987 1503 98.8 — — — — — — — 0.0% -2.00 — — — +0.19 — — — — — — — — — — — — — — — —
Career — 1663 128.6 — — — — -15 +32 — 42.6% -0.50 24–19 (56%) 17–24 (41%) 101.7 +4.69 — 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.