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

Francisco Gonzalez vs Sammy Giammalva Jr H2H: 0-1

Sammy Giammalva Jr holds a 1–0 lead over Francisco Gonzalez 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 1983 Hong Kong Open round of 32 6-2 7-6.

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Francisco Gonzalez
PAR Age 70 Right-Handed 193 cm / 6'4"
H2H
0 – 1
1 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sammy Giammalva Jr 6-2 7-6 Francisco Gonzalez Match data Nov 3, 1983* R32 Hong Kong Open 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
Francisco Gonzalez #997 #40 0 1,758 105 157 40.1% 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 Francisco Gonzalez Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1975 0–2 0.0% #308 1,486 0 0 — — — — — — —
20 1976 0–3 0.0% #272 1,455 0 0 — — — — — — —
21 1977 4–6 40.0% #281 1,499 0 0 — — — — — — —
22 1978 8–10 44.4% #61 1,602 0 0 — — — — — — —
23 1979 21–26 44.7% #77 1,649 0 0 — — — — — — —
24 1980 12–20 37.5% #74 1,704 0 0 — — — — — — —
25 1981 12–15 44.4% #98 1,659 0 0 — — — — — — —
26 1982 14–19 42.4% #100 1,685 0 0 — — — — — — —
27 1983 11–16 40.7% #99 1,623 0 0 — — — — — — —
28 1984 14–17 45.2% #82 1,654 0 0 — — — — — — —
29 1985 9–17 34.6% #140 1,533 0 0 — — — — — — —
30 1986 0–6 0.0% #548 1,470 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 Francisco Gonzalez 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 1975 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — 1982 0 3 3 0.0% 1 5 6 16.7% 6 3 9 66.7% 1 4 5 20.0%
20 1976 0 1 1 0.0% 0 2 2 0.0% — — — — — — — — 1983 11 10 21 52.4% 6 5 11 54.5% 2 3 5 40.0% 5 2 7 71.4%
21 1977 2 2 4 50.0% 2 4 6 33.3% — — — — — — — — 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1978 0 3 3 0.0% 8 7 15 53.3% — — — — — — — — 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1979 10 10 20 50.0% 6 7 13 46.2% 1 4 5 20.0% 4 5 9 44.4% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1980 11 9 20 55.0% 1 4 5 20.0% 0 3 3 0.0% 0 4 4 0.0% 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1981 5 6 11 45.5% 2 5 7 28.6% 4 2 6 66.7% 1 2 3 33.3% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1982 2 4 6 33.3% 5 7 12 41.7% 4 4 8 50.0% 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 1983 9 10 19 47.4% 0 3 3 0.0% — — — — 2 3 5 40.0% — — — — — — — — — — — — — — — — —
28 1984 5 7 12 41.7% 2 3 5 40.0% 3 4 7 42.9% 4 3 7 57.1% — — — — — — — — — — — — — — — — —
29 1985 0 4 4 0.0% — — — — 4 7 11 36.4% 5 6 11 45.5% — — — — — — — — — — — — — — — — —
30 1986 0 5 5 0.0% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 44 62 106 41.5% 26 43 69 37.7% 16 24 40 40.0% 19 28 47 40.4% — 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 Francisco Gonzalez 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 1975 1487 102.1 — — — — — — — 20.0% -1.40 0–1 0–2 — -0.09 1982 1623 123.4 — — — — -32 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1976 1455 101.2 — — — — — — — 25.0% -1.88 0–2 0–1 — +0.16 1983 1701 132.6 — — — — -1 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1977 1500 113.8 — — — — +54 +17 — 39.1% -1.61 2–1 (67%) 3–2 (60%) 102.7 +0.31 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1978 1602 128.6 — — — — -59 +21 — 41.0% -0.90 3–2 (60%) 4–1 (80%) 104.6 -1.22 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1979 1650 132.9 — — — — +20 -50 -143 44.3% -0.28 7–6 (54%) 6–10 (38%) 103.4 +0.49 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1980 1704 136.2 — — — — +18 -124 -228 40.5% -0.65 4–4 (50%) 7–7 (50%) 101.5 -2.51 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1981 1659 126.6 — — — — +2 -100 -75 48.6% -0.11 2–4 (33%) 5–2 (71%) 100.8 +0.46 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1982 1686 129.7 — — — — -33 -103 -85 46.4% -0.12 3–7 (30%) 11–12 (48%) 97.9 +0.29 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
27 1983 1624 126.5 — — — — +5 -83 — 37.7% -0.84 4–0 (100%) 6–7 (46%) 105.3 +0.17 — — — — — — — — — — — — — — — —
28 1984 1655 132.0 — — — — -20 -90 +1 46.9% -0.02 4–6 (40%) 5–6 (45%) 98.8 +1.36 — — — — — — — — — — — — — — — —
29 1985 1533 120.3 — — — — +42 — +57 39.1% -0.35 5–5 (50%) 5–7 (42%) 100.1 +1.77 — — — — — — — — — — — — — — — —
30 1986 1470 107.8 — — — — +29 — — 13.3% -2.07 0–2 1–3 (25%) — +0.28 — — — — — — — — — — — — — — — —
Career — 1759 134.8 — — — — +8 -53 -47 42.2% -0.47 34–40 (46%) 53–60 (47%) 102.8 +0.56 — 1804 139.2 — — — — +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.