26‑Dec‑1971 | Australian Open | Grass | R32 | | | Patrice Dominguez [FRA] d. Mcdonald | 3-6 6-2 6-1 6-3 | | | | | | | | | |
26‑Dec‑1971 | Australian Open | Grass | R64 | | | Mcdonald d. Stephen Myers [AUS] | 6-2 6-4 6-4 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R16 | | | Colin Dibley [AUS] d. Mcdonald | 6-3 6-3 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R32 | | | Mcdonald d. Anthony Hammond [AUS] | 6-1 6-1 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R64 | | | Mcdonald d. Michael Phillips [AUS] | 6-2 6-1 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | R16 | | | Onny Parun [NZL] d. Mcdonald | 6-2 6-2 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | R32 | | | Mcdonald d. Bill Freer [RSA] | 7-5 6-2 | | | | | | | | | |
22‑May‑1971 | Bournemouth | Clay | R16 | | | Mark Cox [GBR] d. Mcdonald | 6-4 6-2 6-2 | | | | | | | | | |
22‑May‑1971 | Bournemouth | Clay | R32 | | | Mcdonald d. Jaime Pinto Bravo [CHI] | 6-2 6-3 6-4 | | | | | | | | | |
30‑Mar‑1971 | Nice | Clay | R64 | | | Frantisek Pala [CZE] d. Mcdonald | 6-2 6-2 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R64 | | | John Cooper [AUS] d. Mcdonald | 6-3 7-5 6-4 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R32 | | | Jean Baptiste Chanfreau [FRA] d. Mcdonald | 6-3 6-3 6-3 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R64 | | | Mcdonald d. William Durham [AUS] | 6-3 6-2 | | | | | | | | | |