10‑Sep‑1965 | Freiburg | | SF | | | Martin Mulligan [AUS] d. Bungert | 8-6 6-2 | | | | | | | | | |
10‑Sep‑1965 | Freiburg | | QF | | | Bungert d. Werner Helmrich [FRG] | 6-3 6-4 | | | | | | | | | |
10‑Sep‑1965 | Freiburg | | R16 | | | Bungert d. Jurgen Fassbender [GER] | 6-2 6-3 | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | F | | | Bungert d. Bob Hewitt [RSA] | 5-7 5-7 6-4 6-3 6-3 | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | SF | | | Bungert d. Wolfgang Stuck [GER] | 10-8 0-6 6-3 6-3 | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | QF | | | Bungert d. Billy Knight [GBR] | 1-6 8-6 6-2 6-2 | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | R16 | | | Bungert d. Paul Pavich [AUT] | 5-7 6-2 6-1 | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | R32 | | | Bungert d. Gemocek [YUG] | UNK | | | | | | | | | |
9‑Aug‑1965 | Kitzbuhel | Clay | R64 | | | Bungert d. Heinrich Bertschinger [SUI] | UNK | | | | | | | | | |
2‑Aug‑1965 | Hamburg | Clay | QF | | | John Newcombe [AUS] d. Bungert | 7-9 9-7 2-6 6-3 6-4 | | | | | | | | | |
2‑Aug‑1965 | Hamburg | Clay | R16 | | | Bungert d. Jose Edison Mandarino [BRA] | 6-1 6-4 3-6 6-1 | | | | | | | | | |
2‑Aug‑1965 | Hamburg | Clay | R32 | | | Bungert d. Osamu Ishiguro [JPN] | 6-4 6-0 4-6 6-3 | | | | | | | | | |
2‑Aug‑1965 | Hamburg | Clay | R64 | | | Bungert d. Ray Ruffels [AUS] | 9-7 6-4 6-4 | | | | | | | | | |
28‑Jul‑1965 | Baden | Clay | SF | | | Tony Roche [AUS] d. Bungert | 6-4 6-3 | | | | | | | | | |
28‑Jul‑1965 | Baden | Clay | QF | | | Bungert d. Ingo Buding [GER] | 3-6 6-3 10-8 | | | | | | | | | |
28‑Jul‑1965 | Baden | Clay | R16 | | | Bungert d. Uwe Gottschalk [GER] | 6-2 6-4 | | | | | | | | | |
12‑Jul‑1965 | Gstaad | Clay | R32 | | | Sergio Tacchini [ITA] d. Bungert | 6-0 6-0 | | | | | | | | | |
5‑Jul‑1965 | Dusseldorf | Clay | QF | | | Martin Mulligan [AUS] d. Bungert | 6-4 3-6 6-3 | | | | | | | | | |
5‑Jul‑1965 | Dusseldorf | Clay | R16 | | | Bungert d. Ramanathan Krishnan [IND] | 6-4 7-5 | | | | | | | | | |
22‑Jun‑1965 | Wimbledon | Grass | R32 | | | Marty Riessen [USA] d. Bungert | 6-2 7-5 8-6 | | | | | | | | | |
22‑Jun‑1965 | Wimbledon | Grass | R64 | | | Bungert d. Robert Wilson [GBR] | 6-4 6-3 2-6 5-7 6-2 | | | | | | | | | |
22‑Jun‑1965 | Wimbledon | Grass | R128 | | | Bungert d. Tony Palafox [MEX] | 4-6 6-3 6-2 1-6 6-3 | | | | | | | | | |
11‑Jun‑1965 | Davis Cup EUR QF: ESP vs FRG | Clay | RR | | | Manuel Santana [ESP] d. Bungert | 6-2 6-3 6-3 | | | | | | | | | |
11‑Jun‑1965 | Davis Cup EUR QF: ESP vs FRG | Clay | RR | | | Juan Gisbert [ESP] d. Bungert | 2-6 2-6 6-0 7-5 6-1 | | | | | | | | | |
31‑May‑1965 | Lugano | Clay | R16 | | | Ion Tiriac [ROU] d. Bungert | 6-2 4-6 8-6 | | | | | | | | | |
31‑May‑1965 | Lugano | Clay | R32 | | | Bungert d. Barry Brennan [AUS] | 6-2 6-4 | | | | | | | | | |
14‑May‑1965 | Davis Cup EUR R2: FRG vs LUX | | RR | | | Bungert d. Thierry Brasseur [LUX] | 6-0 6-4 6-1 | | | | | | | | | |
14‑May‑1965 | Davis Cup EUR R2: FRG vs LUX | | RR | | | Bungert d. Frank Baden [LUX] | 7-5 6-4 4-6 6-3 | | | | | | | | | |
30‑Apr‑1965 | Davis Cup EUR R1: FRG vs SUI | | RR | | | Bungert d. Dimitri Sturdza [SUI] | 6-3 4-6 7-9 7-5 7-5 | | | | | | | | | |
30‑Apr‑1965 | Davis Cup EUR R1: FRG vs SUI | | RR | | | Bungert d. Thedy Stalder [SUI] | 6-2 2-6 7-5 3-6 6-2 | | | | | | | | | |