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

Simon Youl vs Sammy Giammalva Jr H2H: 1-1

Simon Youl and Sammy Giammalva Jr are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, they are tied 1–1 on hard courts. Most recently, Simon Youl won the 1988 Livingston quarterfinal 6-4 6-4.

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Simon Youl
AUS Age 61 Right-Handed 185 cm / 6'1"
H2H
1 – 1
2 main-draw meetings
Sammy Giammalva Jr
USA Age 63 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Simon Youl #121 6-4 6-4 Sammy Giammalva Jr Match data Aug 20, 1988* QF Livingston ATP 250 Hard
Sammy Giammalva Jr 6-2 6-3 Simon Youl #132 Match data Aug 11, 1988* R32 Canadian Open ATP 500 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
Simon Youl #1,263 #80 474 1,709 91 140 39.4% 0 0 0 0 2 2
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 Simon Youl Sammy Giammalva Jr
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
16 1982 1–3 25.0% — 1,465 0 0 — — — — — — —
17 1983 4–6 40.0% #450 1,502 0 0 — — — — — — —
18 1984 2–8 20.0% #201 1,461 0 0 — — — — — — —
19 1985 9–8 52.9% #90 1,565 0 0 — — — — — — —
20 1986 5–5 50.0% #258 1,587 0 0 — — — — — — —
21 1987 9–14 39.1% #121 1,582 0 0 — — — — — — —
22 1988 16–18 47.1% #109 1,630 0 0 — — — — — — —
23 1989 13–15 46.4% #156 1,632 0 1 — — — — — — —
24 1990 7–15 31.8% #154 1,559 0 1 — — — — — — —
25 1991 5–9 35.7% #140 1,566 0 1 — — — — — — —
26 1992 17–23 42.5% #94 1,559 0 2 — — — — — — —
27 1993 1–10 9.1% #200 1,444 0 2 — — — — — — —
28 1994 2–6 25.0% #151 1,444 0 2 — — — — — — —

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 Simon Youl 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 1982 — — — — — — — — 1 3 4 25.0% — — — — — — — — — — — — — — — — — — — — —
17 1983 0 1 1 0.0% 0 1 1 0.0% 2 3 5 40.0% 2 1 3 66.7% 1980 6 3 9 66.7% 0 1 1 0.0% — — — — — — — —
18 1984 0 2 2 0.0% 0 1 1 0.0% 1 3 4 25.0% 1 2 3 33.3% 1981 13 8 21 61.9% 8 7 15 53.3% — — — — 2 5 7 28.6%
19 1985 2 1 3 66.7% 3 4 7 42.9% 1 1 2 50.0% 3 2 5 60.0% 1982 0 3 3 0.0% 1 5 6 16.7% 6 3 9 66.7% 1 4 5 20.0%
20 1986 — — — — 1 2 3 33.3% 4 3 7 57.1% — — — — 1983 11 10 21 52.4% 6 5 11 54.5% 2 3 5 40.0% 5 2 7 71.4%
21 1987 6 7 13 46.2% 2 2 4 50.0% 1 4 5 20.0% 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 1988 11 12 23 47.8% 1 3 4 25.0% 4 3 7 57.1% — — — — 1985 10 8 18 55.6% — — — — 4 4 8 50.0% 4 5 9 44.4%
23 1989 12 10 22 54.5% 0 2 2 0.0% 1 2 3 33.3% 0 1 1 0.0% 1986 6 8 14 42.9% 3 3 6 50.0% 2 2 4 50.0% 3 4 7 42.9%
24 1990 6 9 15 40.0% 0 2 2 0.0% 1 3 4 25.0% 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 1991 4 6 10 40.0% — — — — 0 2 2 0.0% 1 1 2 50.0% 1988 7 8 15 46.7% 2 2 4 50.0% 3 3 6 50.0% 4 2 6 66.7%
26 1992 12 15 27 44.4% 0 2 2 0.0% 5 4 9 55.6% 0 2 2 0.0% 1989 4 5 9 44.4% 0 2 2 0.0% 0 3 3 0.0% 1 0 1 100.0%
27 1993 1 7 8 12.5% 0 1 1 0.0% 0 1 1 0.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
28 1994 — — — — 0 3 3 0.0% 2 2 4 50.0% 0 1 1 0.0% — — — — — — — — — — — — — — — — —
Career — 54 70 124 43.5% 7 23 30 23.3% 23 34 57 40.4% 7 13 20 35.0% — 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 Simon Youl 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 1982 1466 98.4 — — — — — — +24 41.7% -0.75 0–2 1–1 — +0.57 — — — — — — — — — — — — — — — —
17 1983 1503 109.2 — — — — +60 — +13 37.9% -0.55 3–1 (75%) 2–4 (33%) 101.4 +0.57 1980 1608 127.7 — — — — +76 — — 50.0% -0.03 3–0 (100%) 1–0 — +0.70
18 1984 1461 102.7 — — — — +55 — +41 30.0% -1.07 1–2 (33%) 1–3 (25%) 98.1 +1.01 1981 1672 132.0 — — — — +26 -93 — 50.0% -0.02 15–10 (60%) 8–8 (50%) 103.8 +2.44
19 1985 1566 118.6 — — — — +10 -52 — 45.8% -0.40 5–1 (83%) 5–6 (45%) 106.3 +2.01 1982 1623 123.4 — — — — -34 -90 +29 41.3% -0.35 4–8 (33%) 3–7 (30%) 94.9 +1.50
20 1986 1588 110.0 — — — — — -71 -5 44.8% -0.14 3–2 (60%) 2–4 (33%) 100.8 +0.29 1983 1701 132.6 — — — — -1 -112 -28 53.3% -0.09 7–7 (50%) 8–4 (67%) 103.1 +2.18
21 1987 1582 118.7 — — — — +1 -38 -65 44.1% -0.10 5–6 (45%) 5–13 (28%) 94.2 -0.11 1984 1715 139.4 — — — — -12 -117 +2 47.1% -0.23 6–2 (75%) 3–3 (50%) 105.8 -0.79
22 1988 1630 121.9 — — — — -23 -103 -33 48.9% -0.12 8–8 (50%) 6–6 (50%) 103.6 +0.73 1985 1737 142.0 — — — — +7 — +16 50.6% +0.04 3–2 (60%) 8–3 (73%) 106.1 -0.64
23 1989 1633 121.0 — — — — +3 — -41 43.5% -0.37 7–1 (88%) 6–5 (55%) 108.8 +0.53 1986 1740 140.4 — — — — -9 -120 -6 48.8% +0.15 4–6 (40%) 3–1 (75%) 100.4 -1.68
24 1990 1560 120.5 — — — — +42 — +41 38.5% -0.90 1–3 (25%) 5–2 (71%) 98.6 +0.19 1987 1644 128.6 — — — — +2 -40 +94 43.4% -0.45 4–4 (50%) 5–6 (45%) 97.9 +0.11
25 1991 1566 125.1 +0.79 -0.80 0.987 49.8% +40 — — 37.8% -0.49 3–3 (50%) 4–7 (36%) 99.0 -0.10 1988 1653 124.7 — — — — -2 -43 +53 51.8% +0.13 7–6 (54%) 5–6 (45%) 97.8 +0.72
26 1992 1560 129.9 -0.04 +0.30 1.010 50.3% +28 — +60 42.6% -0.13 4–5 (44%) 4–11 (27%) 93.4 +1.01 1989 1582 113.0 — — — — +68 — +50 35.9% -0.54 2–2 (50%) 0–3 (0%) 96.8 +0.53
27 1993 1445 106.4 -2.62 -2.11 0.741 44.7% +53 — — 17.9% -2.00 1–3 (25%) 1–2 (33%) 97.6 +0.74 — — — — — — — — — — — — — — — —
28 1994 1444 115.6 +1.87 -1.04 1.009 49.7% — -12 +149 43.5% -0.61 0–5 (0%) 3–3 (50%) 96.4 -0.12 — — — — — — — — — — — — — — — —
Career — 1709 125.8 0.00 -0.38 0.966 49.4% +18 -56 +18 41.5% -0.45 41–42 (49%) 45–67 (40%) 97.9 +3.20 — 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.