26‑Dec‑1971 | Australian Open | Grass | R16 | | | (4)Alex Metreveli [RUS] d. Case | 6-2 3-6 6-4 6-2 | | | | | | | | | |
26‑Dec‑1971 | Australian Open | Grass | R32 | | | Case d. John Stephens [AUS] | 6-4 3-6 6-2 7-5 | | | | | | | | | |
26‑Dec‑1971 | Australian Open | Grass | R64 | | | Case d. Colin Stubs [AUS] | 6-1 6-3 6-1 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | QF | | | John Cooper [AUS] d. Case | 0-6 6-1 6-2 3-6 6-3 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R16 | | | Case d. Frank Sedgman [AUS] | 6-4 7-6 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R32 | | | Case d. Greg Braun [AUS] | 6-3 6-2 | | | | | | | | | |
6‑Dec‑1971 | Brisbane | Grass | R64 | | | Case d. Guy Tytherleigh [AUS] | 6-2 6-1 | | | | | | | | | |
27‑Sep‑1971 | Berkeley | Hard | R32 | | | Andres Gimeno [ESP] d. (Q)Case | 6-2 7-6 | | | | | | | | | |
27‑Sep‑1971 | Berkeley | Hard | R64 | | | (Q)Case d. Onny Parun [NZL] | 3-6 6-3 7-6 | | | | | | | | | |
20‑Sep‑1971 | Los Angeles | Hard | R64 | | | (1)Stan Smith [USA] d. Case | 6-3 7-6 | | | | | | | | | |
20‑Sep‑1971 | Sacramento | Hard | R64 | | | Jeff Borowiak [USA] d. Case | 6-4 6-4 | | | | | | | | | |
1‑Sep‑1971 | US Open | Grass | R64 | | | Toshiro Sakai [JPN] d. Case | 6-3 7-6 6-3 | | | | | | | | | |
1‑Sep‑1971 | South Orange | Hard | R64 | | | Georges Goven [FRA] d. Case | 7-6 6-3 | | | | | | | | | |
1‑Sep‑1971 | US Open | Grass | R128 | | | Case d. Premjit Lall [IND] | 7-6 6-7 7-6 6-4 | | | | | | | | | |
22‑Aug‑1971 | Merion | Hard | R32 | | | John Cooper [AUS] d. Case | 4-6 6-3 6-2 | | | | | | | | | |
22‑Aug‑1971 | Merion | Hard | R64 | | | Case d. Larry Turville [USA] | 6-3 6-3 | | | | | | | | | |
9‑Aug‑1971 | Indianapolis | Clay | R64 | | | Pierre Barthes [FRA] d. Case | 6-4 7-6 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | F | | | Gerald Battrick [GBR] d. Case | 6-3 6-4 9-7 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | SF | | | Case d. Jun Kamiwazumi [JPN] | 5-7 3-6 6-3 6-3 6-2 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | QF | | | Case d. Jun Kuki [JPN] | 6-4 6-4 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | R16 | | | Case d. Patrice Dominguez [FRA] | 6-3 6-4 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | R32 | | | Case d. Nicholas Kalogeropoulos [GRE] | 6-2 2-6 12-10 | | | | | | | | | |
3‑Aug‑1971 | Hilversum | Hard | R64 | | | Case d. Jan Hordijk [NED] | 8-6 4-6 6-3 | | | | | | | | | |
2‑Aug‑1971 | Cincinnati | Clay | R64 | | | Patrick Proisy [FRA] d. Case | 7-6 6-3 | | | | | | | | | |
19‑Jul‑1971 | Kitzbuhel | Clay | R16 | | | Martin Mulligan [AUS] d. Case | 6-3 6-2 6-1 | | | | | | | | | |
19‑Jul‑1971 | Kitzbuhel | Clay | R32 | | | Case d. Ingo Buding [GER] | 6-4 7-6 6-2 | | | | | | | | | |
10‑Jul‑1971 | Gstaad | Clay | R32 | | | Adriano Panatta [ITA] d. Case | 7-5 9-7 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R16 | | | Tom Gorman [USA] d. Case | 6-3 8-6 6-4 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R32 | | | Case d. Henry Hank Irvine [ZIM] | 6-3 6-4 6-3 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R64 | | | Case d. Jorgen Ulrich [DEN] | 6-3 2-6 5-7 6-3 6-1 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R128 | | | Case d. (Q)Jeff Simpson [NZL] | 6-4 7-5 7-5 | | | | | | | | | |
14‑Jun‑1971 | London / Queen's Club | Grass | QF | | | John Newcombe [AUS] d. Case | 6-2 9-8 | | | | | | | | | |
14‑Jun‑1971 | London / Queen's Club | Grass | R16 | | | Case d. Buster C Mottram [GBR] | 6-4 7-5 | | | | | | | | | |
14‑Jun‑1971 | London / Queen's Club | Grass | R32 | | | Case d. John Paish [GBR] | 6-3 8-6 | | | | | | | | | |
14‑Jun‑1971 | London / Queen's Club | Grass | R64 | | | Case d. Frank Froehling [USA] | 3-6 6-3 6-4 | | | | | | | | | |
31‑May‑1971 | Manchester | Grass | R16 | | | Ray Keldie [AUS] d. Case | 7-5 6-3 | | | | | | | | | |
31‑May‑1971 | Manchester | Grass | R32 | | | Case d. David Segal [USA] | 6-2 6-3 | | | | | | | | | |
31‑May‑1971 | Manchester | Grass | R64 | | | Case d. John Feaver [GBR] | 7-5 6-4 | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R64 | | | Ray Ruffels [AUS] d. Case | 6-1 6-1 6-0 | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R128 | | | Case d. Jose Edison Mandarino [BRA] | 6-4 10-8 7-5 | | | | | | | | | |
3‑Apr‑1971 | Davis Cup AME SF: INA vs AUS | | RR | | | Case d. Atet Wijono [INA] | 6-2 2-6 4-6 6-3 6-3 | | | | | | | | | |
7‑Mar‑1971 | Auckland | Hard | R16 | | | Raymond Moore [RSA] d. Case | 7-5 5-7 6-0 7-5 | | | | | | | | | |
7‑Mar‑1971 | Auckland | Hard | R32 | | | Case d. Phil Gunning [USA] | 7-5 6-4 7-5 | | | | | | | | | |
7‑Mar‑1971 | Australian Open | Grass | R64 | | | Syd Ball [AUS] d. Case | 4-6 7-5 6-4 7-6 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R16 | | | Alex Metreveli [RUS] d. Case | 6-0 6-1 7-6 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R32 | | | Case d. Ray Keldie [AUS] | 6-3 3-6 3-6 6-3 6-4 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R64 | | | Case d. Kim Warwick [AUS] | 7-5 6-1 6-1 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | QF | | | John Alexander [AUS] d. Case | 6-2 5-7 4-6 6-4 6-2 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R16 | | | Case d. Colin Dibley [AUS] | 6-3 7-6 6-4 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R32 | | | Case d. Jim Ward [USA] | 6-3 6-4 7-5 | | | | | | | | | |