H2H data updated: 2026-10-20 00:00 UTC

Robert Machan vs Allan McDonald H2H: 1-0

Robert Machan holds a 1–0 lead over Allan McDonald in their ATP head-to-head. Across 1 main-draw meeting, Robert Machan leads 1–0 on grass. Most recently, Robert Machan won the 1973 Sydney International round of 64 6-3 7-6.

HUN Age 78 Right-Handed
H2H
1 – 0
1 main-draw meetings
AUS Age 75 Right-Handed

H2H Match Log

PlayerScorePlayerMatch DataDateRoundTournamentCategorySurface
Robert Machan 6-3 7-6 Allan McDonald Match data Jan 3, 1973* R64 Sydney International ATP 250 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
Robert Machan #930 #102 0 1,574 19 31 38.0% 0 0 0 0 0 0
Allan McDonald #308 #217 0 1,539 22 38 36.7% 0 0 0 0 0 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 Robert Machan Allan McDonald
YrW-LWin %RankEloGSTitles YrW-LWin %RankEloGSTitles
17 — — — — — — — 1968 0–2 0.0% — 1,461 0 0
18 — — — — — — — 1969 1–3 25.0% — 1,445 0 0
19 — — — — — — — 1970 7–11 38.9% — 1,474 0 0
20 — — — — — — — 1971 5–6 45.5% — 1,491 0 0
21 1970 0–1 0.0% — 1,478 0 0 1972 4–7 36.4% — 1,522 0 0
22 1971 0–3 0.0% — 1,453 0 0 1973 5–7 41.7% #228 1,499 0 0
23 1972 2–3 40.0% — 1,486 0 0 1974 0–1 0.0% #297 1,489 0 0
24 1973 9–12 42.9% #115 1,508 0 0 1975 0–1 0.0% #308 1,478 0 0
25 1974 1–5 16.7% #210 1,482 0 0 — — — — — — —
26 1975 7–5 58.3% #187 1,569 0 0 — — — — — — —
27 1976 0–2 0.0% #215 1,548 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 Robert Machan Allan McDonald
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 — — — — — — — — — — — — — — — — — 1968 0 1 1 0.0% — — — — 0 1 1 0.0% — — — —
18 — — — — — — — — — — — — — — — — — 1969 — — — — 0 1 1 0.0% 1 2 3 33.3% — — — —
19 — — — — — — — — — — — — — — — — — 1970 0 1 1 0.0% 0 2 2 0.0% 7 8 15 46.7% — — — —
20 — — — — — — — — — — — — — — — — — 1971 1 1 2 50.0% 1 2 3 33.3% 3 3 6 50.0% — — — —
21 1970 — — — — 0 1 1 0.0% — — — — — — — — 1972 2 1 3 66.7% 0 1 1 0.0% 2 5 7 28.6% — — — —
22 1971 — — — — 0 2 2 0.0% 0 1 1 0.0% — — — — 1973 — — — — 1 2 3 33.3% 4 5 9 44.4% — — — —
23 1972 — — — — 2 3 5 40.0% — — — — — — — — 1974 — — — — 0 1 1 0.0% — — — — — — — —
24 1973 0 1 1 0.0% 7 8 15 46.7% 2 3 5 40.0% — — — — 1975 — — — — 0 1 1 0.0% — — — — — — — —
25 1974 — — — — 1 2 3 33.3% — — — — 0 3 3 0.0% — — — — — — — — — — — — — — — — —
26 1975 1 1 2 50.0% — — — — — — — — 6 4 10 60.0% — — — — — — — — — — — — — — — — —
27 1976 — — — — 0 2 2 0.0% — — — — — — — — — — — — — — — — — — — — — — — — —
Career — 1 2 3 33.3% 10 18 28 35.7% 2 4 6 33.3% 6 7 13 46.2% — 3 4 7 42.9% 2 10 12 16.7% 17 24 41 41.5% — — — —

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 Robert Machan Allan McDonald
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 — — — — — — — — — — — — — — — — 1968 1461 95.2 — — — — — — — 0.0% -3.00 — — — +0.08
18 — — — — — — — — — — — — — — — — 1969 1445 104.6 — — — — — — +25 27.3% -1.55 0–1 — — +0.02
19 — — — — — — — — — — — — — — — — 1970 1474 108.0 — — — — — — +34 40.4% -0.49 3–3 (50%) — — +1.32
20 — — — — — — — — — — — — — — — — 1971 1492 107.3 — — — — — -7 +45 42.3% -0.27 — — — +1.29
21 1970 1479 97.9 — — — — — — — 25.0% -2.25 — — — +0.04 1972 1522 106.4 — — — — +41 — -1 45.5% -0.55 — — — -0.11
22 1971 1454 101.9 — — — — — — — 28.6% -0.29 0–1 — — +0.02 1973 1499 108.9 — — — — — -24 +12 45.2% +0.23 1–1 0–2 — +1.23
23 1972 1486 114.5 — — — — — +40 — 41.7% -0.25 1–0 — — +0.09 1974 1490 98.4 — — — — — — — 0.0% -3.50 — — — +0.10
24 1973 1508 111.8 — — — — — +50 +11 39.6% -0.65 2–3 (40%) 3–3 (50%) 99.3 +0.42 1975 1479 99.8 — — — — — — — 0.0% -3.00 — — — +0.08
25 1974 1483 103.6 — — — — +8 +54 — 23.1% -1.00 — 0–1 — +0.17 — — — — — — — — — — — — — — — —
26 1975 1569 111.3 — — — — +16 — — 50.0% +0.04 2–0 2–2 (50%) — +1.90 — — — — — — — — — — — — — — — —
27 1976 1548 99.4 — — — — — — — 0.0% -3.25 — — — -0.08 — — — — — — — — — — — — — — — —
Career — 1575 112.8 — — — — +14 +48 +11 37.5% -0.63 5–4 (56%) 5–6 (45%) 101.5 +5.33 — 1539 108.7 — — — — +41 -16 +24 39.5% -0.55 4–5 (44%) 0–2 — +6.91

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.