H2H data updated: 2026-09-11 00:00 UTC

Ben Testerman vs Sammy Giammalva Jr H2H: 0-4

Sammy Giammalva Jr holds a 4–0 lead over Ben Testerman in their ATP head-to-head. Across 4 main-draw meetings, Sammy Giammalva Jr leads 2–0 on hard courts and 1–0 on carpet. Most recently, Sammy Giammalva Jr won the 1987 Livingston round of 32 6-4 3-6 7-5.

USA Age 64 Left-Handed 185 cm / 6'1"
H2H
0 4
4 main-draw meetings
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Sammy Giammalva Jr 6-4 3-6 7-5 Ben Testerman #77 Match data Jul 16, 1987* R32 Livingston ATP 250 Hard
Sammy Giammalva Jr 4-6 6-3 7-5 7-6 Ben Testerman #30 Match data Jun 30, 1985* R32 Wimbledon Grand Slam Grass
Sammy Giammalva Jr 7-5 6-4 Ben Testerman #50 Match data Aug 2, 1984* R32 Livingston ATP 250 Hard
Sammy Giammalva Jr 6-4 3-6 6-3 Ben Testerman Match data Mar 6, 1983* F Monterrey ATP 250 Carpet

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
Ben Testerman #640 #22 0 1,815 87 102 46.0% 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 Ben Testerman Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 1979 0–1 0.0% #662 1,497 0 0
19 1981 6–9 40.0% 1,555 0 0
20 1982 4–7 36.4% 1,564 0 0
21 1983 8–16 33.3% #93 1,564 0 0
22 1984 24–19 55.8% #22 1,801 0 0
23 1985 17–18 48.6% #89 1,726 0 0
24 1986 8–11 42.1% #93 1,652 0 0
25 1987 20–21 48.8% #113 1,639 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 Ben Testerman 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 1979 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 1981 3 4 7 42.9% 3 4 7 42.9% 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 1982 1 3 4 25.0% 0 1 1 0.0% 3 2 5 60.0% 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 1983 1 4 5 20.0% 1 4 5 20.0% 2 6 8 25.0% 4 2 6 66.7% 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1984 4 8 12 33.3% 3 2 5 60.0% 8 5 13 61.5% 9 4 13 69.2% 1985 10 8 18 55.6% 4 4 8 50.0% 4 5 9 44.4%
23 1985 7 8 15 46.7% 4 3 7 57.1% 6 7 13 46.2% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1986 6 8 14 42.9% 0 1 1 0.0% 2 2 4 50.0% 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1987 13 14 27 48.1% 4 4 8 50.0% 3 3 6 50.0% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
Career 35 49 84 41.7% 7 12 19 36.8% 21 21 42 50.0% 24 20 44 54.5% 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 Ben Testerman 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 1979 1497 100.7 0.0% -2.00 -0.23 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 1981 1556 123.5 +19 -2 44.4% -0.25 2–2 (50%) 1–4 (20%) 99.0 +0.59 1982 1623 123.4 -34 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1982 1565 115.1 -41 +32 45.5% -0.42 2–4 (33%) 3–3 (50%) 98.1 +0.38 1983 1701 132.6 -2 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1983 1565 127.5 -11 -40 +27 42.2% -0.56 2–9 (18%) 5–6 (45%) 95.1 +0.02 1984 1715 139.4 -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1984 1802 143.1 -101 -211 -63 54.7% +0.27 8–8 (50%) 7–11 (39%) 102.2 -1.46 1985 1737 142.0 +7 +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1985 1726 126.9 -59 +56 47.9% -0.11 8–5 (62%) 11–14 (44%) 100.9 +2.29 1986 1740 140.4 -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1986 1652 120.1 -17 40.0% -0.20 3–3 (50%) 3–9 (25%) 95.1 +0.28 1987 1644 128.6 +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1987 1639 133.3 +1 +98 48.6% -0.21 9–10 (47%) 15–10 (60%) 100.3 +0.05 1988 1653 124.7 -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1989 1582 113.0 +68 +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
Career 1815 136.3 -36 -75 +18 47.6% -0.15 34–41 (45%) 45–57 (44%) 95.9 +1.02 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.