H2H data updated: 2026-09-10 00:00 UTC

Ken Flach vs Sammy Giammalva Jr H2H: 1-0

Ken Flach holds a 1–0 lead over Sammy Giammalva Jr in their ATP head-to-head. Across 1 main-draw meeting, Ken Flach leads 1–0 on grass. Most recently, Ken Flach won the 1989 Wimbledon round of 128 7-6 7-6 3-6 0-6 6-3.

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Ken Flach
USA Right-Handed 185 cm / 6'1"
H2H
1 – 0
1 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Ken Flach #317 7-6 7-6 3-6 0-6 6-3 Sammy Giammalva Jr Match data Jun 28, 1989* 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
Ken Flach #815 #56 130 1,715 52 80 39.4% 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 Ken Flach Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
19 1982 0–1 0.0% — 1,498 0 0 — — — — — — —
20 1983 2–3 40.0% #314 1,521 0 0 — — — — — — —
21 1984 7–6 53.8% #155 1,599 0 0 — — — — — — —
22 1985 12–12 50.0% #60 1,676 0 0 — — — — — — —
23 1986 4–15 21.1% #223 1,557 0 0 — — — — — — —
24 1987 10–13 43.5% #100 1,621 0 0 — — — — — — —
25 1988 7–12 36.8% #203 1,618 0 0 — — — — — — —
26 1989 6–7 46.2% #194 1,651 0 0 — — — — — — —
27 1990 3–6 33.3% #222 1,611 0 0 — — — — — — —
28 1991 0–2 0.0% #572 1,575 0 0 — — — — — — —
29 1992 0–1 0.0% #742 1,559 0 0 — — — — — — —
31 1994 1–1 50.0% #514 1,575 0 0 — — — — — — —
32 1995 0–1 0.0% #835 1,570 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 Ken Flach 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 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 1983 1 1 2 50.0% 0 1 1 0.0% 1 1 2 50.0% — — — — 1983 11 10 21 52.4% 6 5 11 54.5% 2 3 5 40.0% 5 2 7 71.4%
21 1984 3 2 5 60.0% — — — — 3 3 6 50.0% 1 1 2 50.0% 1984 8 7 15 53.3% 3 4 7 42.9% 3 2 5 60.0% 1 2 3 33.3%
22 1985 10 8 18 55.6% — — — — 1 2 3 33.3% 1 2 3 33.3% 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1986 2 6 8 25.0% 0 3 3 0.0% 2 2 4 50.0% 0 4 4 0.0% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1987 6 8 14 42.9% — — — — 4 4 8 50.0% 0 1 1 0.0% 1987 4 8 12 33.3% 2 3 5 40.0% 4 3 7 57.1% 5 5 10 50.0%
25 1988 2 6 8 25.0% 0 1 1 0.0% 3 2 5 60.0% 2 3 5 40.0% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1989 3 4 7 42.9% — — — — 2 1 3 66.7% 1 2 3 33.3% 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
27 1990 2 4 6 33.3% — — — — 1 1 2 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
28 1991 0 1 1 0.0% — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — —
29 1992 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
31 1994 1 1 2 50.0% — — — — — — — — — — — — — — — — — — — — — — — — — — — — —
32 1995 — — — — — — — — 0 1 1 0.0% — — — — — — — — — — — — — — — — — — — — —
Career — 30 42 72 41.7% 0 6 6 0.0% 17 17 34 50.0% 5 15 20 25.0% — 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 Ken Flach 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 1499 112.4 — — — — — — — 0.0% -4.00 — — — -0.28 1982 1623 123.4 — — — — -34 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1983 1522 107.7 — — — — — — — 41.7% -0.75 — 0–2 — +0.25 1983 1701 132.6 — — — — -2 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1984 1599 117.5 — — — — +21 — -15 51.2% -0.05 4–3 (57%) 2–4 (33%) 101.1 +0.63 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1985 1676 134.2 — — — — +19 — -94 44.8% -0.26 4–0 (100%) 4–2 (67%) 107.4 -0.49 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1986 1557 111.4 — — — — +7 -76 +56 29.4% -1.16 2–4 (33%) 2–4 (33%) 97.2 -0.12 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1987 1622 115.8 — — — — -40 — +10 48.6% -0.39 2–5 (29%) 9–4 (69%) 99.8 +1.50 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1988 1618 116.8 — — — — -94 — +56 42.1% -0.67 4–5 (44%) 4–5 (44%) 98.2 -1.49 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1989 1652 118.7 — — — — -87 — +41 48.9% -0.31 3–4 (43%) 7–5 (58%) 102.6 -0.04 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
27 1990 1612 118.0 — — — — -53 — — 44.0% -0.40 1–4 (20%) 2–1 (67%) — -0.05 — — — — — — — — — — — — — — — —
28 1991 1576 100.1 -1.14 -2.20 0.974 48.8% — — — 20.0% -1.20 0–1 1–1 — +0.27 — — — — — — — — — — — — — — — —
29 1992 1559 98.8 -2.84 -0.85 0.759 44.2% — — — 0.0% -3.00 — — — +0.08 — — — — — — — — — — — — — — — —
31 1994 1576 112.6 -0.30 +1.03 0.724 46.6% — — — 40.0% -1.00 1–0 1–0 — -0.06 — — — — — — — — — — — — — — — —
32 1995 1571 105.1 +1.22 +5.29 0.983 49.9% — — — 40.0% 0.00 0–1 0–1 — -0.28 — — — — — — — — — — — — — — — —
Career — 1715 126.9 -0.75 +0.35 0.851 47.5% -29 -76 +12 43.2% -0.53 21–27 (44%) 32–29 (52%) 100.9 -0.06 — 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.