H2H data updated: 2026-09-06 00:00 UTC

Butch Walts vs Peter Mcnamara H2H: 1-1

Butch Walts and Peter Mcnamara are tied 1–1 in their ATP head-to-head. Across 2 main-draw meetings, Butch Walts leads 1–0 on carpet, while Peter Mcnamara leads 1–0 on clay. Most recently, Peter Mcnamara won the 1981 Hamburg Open round of 32 6-0 6-4.

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Butch Walts
USA Age 71 Right-Handed 193 cm / 6'4"
H2H
1 – 1
2 main-draw meetings
Peter Mcnamara
AUS Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Peter Mcnamara 6-0 6-4 Butch Walts #62 Match data May 14, 1981* R32 Hamburg Open ATP 250 Clay
Butch Walts #51 6-1 6-2 Peter Mcnamara Match data Oct 30, 1980* R32 Tokyo Indoor 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
Butch Walts #755 #30 0 1,915 140 135 50.9% 0 0 0 0 4 4
Peter Mcnamara — — — 2,038 — — — 0 0 0 0 5 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 Butch Walts Peter Mcnamara
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
20 1975 0–3 0.0% #396 1,482 0 0 — — — — — — —
21 1976 16–13 55.2% #79 1,667 0 1 — — — — — — —
22 1977 21–19 52.5% #50 1,760 0 2 — — — — — — —
23 1978 13–20 39.4% #116 1,661 0 2 — — — — — — —
24 1979 40–22 64.5% #39 1,870 0 4 — — — — — — —
25 1980 22–23 48.9% #47 1,808 0 4 — — — — — — —
26 1981 15–17 46.9% #85 1,707 0 4 — — — — — — —
27 1982 3–5 37.5% #99 1,681 0 4 — — — — — — —
28 1983 9–10 47.4% #473 1,679 0 4 — — — — — — —
29 1984 1–3 25.0% #311 1,658 0 4 — — — — — — —

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 Butch Walts Peter Mcnamara
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 — — — — — — — — — — — — — — — — — 1972 — — — — — — — — 0 1 1 0.0% — — — —
17 — — — — — — — — — — — — — — — — — 1973 — — — — — — — — 0 1 1 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1974 — — — — — — — — 0 3 3 0.0% — — — —
19 — — — — — — — — — — — — — — — — — 1975 0 1 1 0.0% — — — — 2 3 5 40.0% — — — —
20 1975 — — — — 0 2 2 0.0% — — — — 0 1 1 0.0% 1976 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
21 1976 9 6 15 60.0% 0 1 1 0.0% 0 1 1 0.0% 7 5 12 58.3% 1977 — — — — 1 3 4 25.0% 1 3 4 25.0% — — — —
22 1977 2 6 8 25.0% 4 4 8 50.0% 7 4 11 63.6% 8 5 13 61.5% 1978 1 3 4 25.0% 9 7 16 56.3% 2 1 3 66.7% — — — —
23 1978 9 6 15 60.0% 2 3 5 40.0% — — — — 2 11 13 15.4% 1979 3 4 7 42.9% 28 16 44 63.6% 5 4 9 55.6% 0 1 1 0.0%
24 1979 19 11 30 63.3% 3 5 8 37.5% — — — — 18 6 24 75.0% 1980 5 4 9 55.6% 23 10 33 69.7% 4 2 6 66.7% 6 5 11 54.5%
25 1980 9 6 15 60.0% 1 2 3 33.3% 2 3 5 40.0% 10 12 22 45.5% 1981 5 3 8 62.5% 18 5 23 78.3% 4 3 7 57.1% 7 1 8 87.5%
26 1981 5 5 10 50.0% 3 2 5 60.0% 0 2 2 0.0% 7 8 15 46.7% 1982 2 1 3 66.7% 22 9 31 71.0% 0 1 1 0.0% 10 6 16 62.5%
27 1982 1 4 5 20.0% — — — — — — — — 2 1 3 66.7% 1983 0 1 1 0.0% 0 1 1 0.0% — — — — 10 2 12 83.3%
28 1983 2 5 7 28.6% — — — — 0 1 1 0.0% 7 4 11 63.6% — — — — — — — — — — — — — — — — —
29 1984 0 1 1 0.0% 0 1 1 0.0% — — — — 1 1 2 50.0% 1985 — — — — 1 3 4 25.0% 0 2 2 0.0% 2 1 3 66.7%
30 — — — — — — — — — — — — — — — — — 1986 1 1 2 50.0% — — — — — — — — — — — —
31 — — — — — — — — — — — — — — — — — 1987 — — — — — — — — 0 1 1 0.0% — — — —
Career — 56 50 106 52.8% 13 20 33 39.4% 9 11 20 45.0% 62 54 116 53.4% — 17 19 36 47.2% 102 54 156 65.4% 18 26 44 40.9% 35 16 51 68.6%

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 Butch Walts Peter Mcnamara
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 — — — — — — — — — — — — — — — — 1972 1483 98.9 — — — — — — — 33.3% -0.67 0–1 — — +0.08
17 — — — — — — — — — — — — — — — — 1973 1469 95.1 — — — — — — — 0.0% -4.50 — — — +0.03
18 — — — — — — — — — — — — — — — — 1974 1431 101.4 — — — — — — +13 25.0% -1.75 0–2 0–1 — +0.28
19 — — — — — — — — — — — — — — — — 1975 1448 112.6 — — — — — — +32 41.2% -0.76 0–1 2–0 — +0.41
20 1975 1483 98.8 — — — — — — — 0.0% -3.75 — — — 0.00 1976 1418 97.6 — — — — — — — 28.6% -1.14 0–1 — — +0.31
21 1976 1668 134.5 — — — — +66 — — 52.9% -0.10 6–3 (67%) 6–6 (50%) 103.8 +0.37 1977 1425 120.1 — — — — — +107 +12 28.6% -1.81 1–2 (33%) — — +0.36
22 1977 1760 136.6 — — — — +14 -163 -178 51.5% -0.20 7–7 (50%) 10–3 (77%) 107.2 +0.08 1978 1586 121.0 — — — — -60 +33 -52 48.1% 0.00 3–2 (60%) 4–1 (80%) 105.0 +1.73
23 1978 1661 120.5 — — — — +38 -90 — 41.0% -0.82 4–5 (44%) 6–7 (46%) 100.5 +2.44 1979 1753 140.6 — — — — -224 +41 -130 54.4% +0.49 16–9 (64%) 5–11 (31%) 102.2 +1.83
24 1979 1871 154.6 — — — — +71 -274 — 60.0% +0.68 15–7 (68%) 14–10 (58%) 108.8 +0.43 1980 1921 157.2 — — — — -203 -15 -154 60.8% +0.75 11–3 (79%) 13–10 (57%) 111.9 -1.60
25 1980 1808 150.4 — — — — +41 -210 -193 49.5% -0.08 4–7 (36%) 8–8 (50%) 94.4 -4.84 1981 1924 151.1 — — — — -109 +69 -122 69.1% +1.37 4–6 (40%) 7–6 (54%) 98.9 +0.17
26 1981 1708 135.2 — — — — +45 -82 — 46.3% -0.18 7–7 (50%) 9–10 (47%) 94.3 +0.04 1982 1949 164.7 — — — — -42 +89 — 58.7% +0.70 15–5 (75%) 8–12 (40%) 104.4 -3.49
27 1982 1681 118.9 — — — — +33 — — 36.8% -1.16 1–0 1–0 — -0.15 1983 2005 156.9 — — — — +20 — — 71.0% +1.13 3–2 (60%) 5–3 (63%) 103.0 -1.64
28 1983 1680 127.1 — — — — +24 — — 45.7% -0.04 5–3 (63%) 3–4 (43%) 103.7 +0.79 — — — — — — — — — — — — — — — —
29 1984 1659 107.4 — — — — +24 — — 33.3% -1.22 0–1 1–1 — -0.15 1985 1861 125.9 — — — — +122 +68 — 38.5% -0.58 1–3 (25%) 2–2 (50%) 94.2 -0.40
30 — — — — — — — — — — — — — — — — 1986 1835 103.4 — — — — — — — 50.0% +1.75 — 0–2 — +0.35
31 — — — — — — — — — — — — — — — — 1987 1809 102.8 — — — — — — — 40.0% +0.40 0–1 0–1 — -0.20
Career — 1915 145.5 — — — — +47 -172 -183 50.0% -0.09 49–40 (55%) 58–49 (54%) 105.5 -0.36 — 2039 154.5 — — — — -96 +44 -77 56.6% +0.53 54–38 (59%) 46–49 (48%) 105.5 -0.62

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.