8‑Nov‑1971 | Paris Indoor | Clay | R16 | | | Dennis Ralston [USA] d. Chanfreau | 7-6 5-7 7-6 | | | | | | | | | |
8‑Nov‑1971 | Paris Indoor | Clay | R32 | | | Chanfreau d. Tom Okker [NED] | 6-7 7-6 6-4 | | | | | | | | | |
1‑Sep‑1971 | South Orange | Hard | R32 | | | Jimmy Connors [USA] d. Chanfreau | 6-4 6-7 6-4 | | | | | | | | | |
1‑Sep‑1971 | South Orange | Hard | R64 | | | Chanfreau d. Jim Mcmanus [USA] | 6-4 6-4 | | | | | | | | | |
1‑Sep‑1971 | US Open | Grass | R128 | | | Phil Dent [AUS] d. Chanfreau | 7-6 6-1 6-3 | | | | | | | | | |
22‑Aug‑1971 | Merion | Hard | R32 | | | Raymond Moore [RSA] d. Chanfreau | 6-3 7-5 | | | | | | | | | |
22‑Aug‑1971 | Merion | Hard | R64 | | | Chanfreau d. Robert Kreiss [USA] | 6-4 6-4 | | | | | | | | | |
9‑Aug‑1971 | Indianapolis | Clay | R64 | | | (3)Clark Graebner [USA] d. Chanfreau | 6-3 6-1 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | R16 | | | Jun Kamiwazumi [JPN] d. Chanfreau | 2-6 7-5 7-5 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | R32 | | | Chanfreau d. Richard Kasten [UNK] | 6-2 7-5 | | | | | | | | | |
2‑Aug‑1971 | Cincinnati | Clay | R64 | | | Patricio Cornejo [CHI] d. Chanfreau | 3-6 6-0 6-4 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | SF | | | Roger Taylor [GBR] d. Chanfreau | 9-8 6-2 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | QF | | | Chanfreau d. Stephen Warboys [GBR] | 6-4 8-9 6-1 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | R16 | | | Chanfreau d. Premjit Lall [IND] | 6-4 7-5 | | | | | | | | | |
10‑Jul‑1971 | Newport | Grass | R32 | | | Chanfreau d. Syd Ball [AUS] | 6-3 9-8 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R64 | | | Jaime Fillol [CHI] d. Chanfreau | 9-8 6-3 9-8 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R128 | | | Chanfreau d. (Q)John De Mendoza [GBR] | 8-9 6-3 6-3 6-4 | | | | | | | | | |
14‑Jun‑1971 | Eastbourne | Grass | R64 | | | Jan Leschly [DEN] d. Chanfreau | 6-1 3-6 6-3 | | | | | | | | | |
7‑Jun‑1971 | Beckenham | Grass | R64 | | | Paul Hutchins [GBR] d. Chanfreau | 6-4 6-2 | | | | | | | | | |
22‑May‑1971 | Bournemouth | Clay | R32 | | | Bill Freer [RSA] d. Chanfreau | 6-2 6-4 6-2 | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R32 | | | Francois Jauffret [FRA] d. Chanfreau | 6-3 7-5 6-1 | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R64 | | | Chanfreau d. Anatoli Volkov [RUS] | 6-3 6-4 6-2 | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R128 | | | Chanfreau d. (Q)Ivan Molina [COL] | 6-4 6-4 2-6 6-8 6-3 | | | | | | | | | |
5‑Apr‑1971 | Monte Carlo | Clay | R32 | | | Jan Kukal [CZE] d. Chanfreau | 6-4 7-5 | | | | | | | | | |
30‑Mar‑1971 | Nice | Clay | R64 | | | Peter Pokorny [AUT] d. Chanfreau | 6-3 3-6 8-6 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | QF | | | Mal Anderson [AUS] d. Chanfreau | 6-2 6-3 4-6 6-2 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R16 | | | Chanfreau d. Ian Fletcher [AUS] | 6-2 6-4 2-6 0-6 6-4 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R32 | | | Chanfreau d. Neale Fraser [AUS] | 3-6 4-6 RET | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R64 | | | Chanfreau d. Max Pettman [AUS] | 7-6 1-6 6-1 7-6 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R16 | | | John Alexander [AUS] d. Chanfreau | 7-6 6-4 6-3 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R32 | | | Chanfreau d. Allan Mcdonald [AUS] | 6-3 6-3 6-3 | | | | | | | | | |
10‑Jan‑1971 | Hobart | Hard | QF | | | John Alexander [AUS] d. Chanfreau | 7-6 6-2 | | | | | | | | | |
10‑Jan‑1971 | Hobart | Hard | R16 | | | Chanfreau d. Frank Sedgman [AUS] | 6-7 7-6 6-4 | | | | | | | | | |