17‑Nov‑1975 | Johannesburg | Hard | SF | 21 | 25 | Brian Gottfried [USA] d. Parun | 6-7 6-4 6-1 7-5 | | | | | | | | | |
17‑Nov‑1975 | Johannesburg | Hard | QF | 21 | 75 | Parun d. Raymond Moore [RSA] | 6-3 7-6 | | | | | | | | | |
17‑Nov‑1975 | Johannesburg | Hard | R16 | 21 | | Parun d. Paul Avis [RSA] | 6-0 6-4 | | | | | | | | | |
17‑Nov‑1975 | Johannesburg | Hard | R32 | 21 | | Parun d. Dennis Matthews [UNK] | 7-5 3-6 6-1 | | | | | | | | | |
17‑Nov‑1975 | Johannesburg | Hard | R64 | 21 | | Parun d. Bill Freer [RSA] | 6-4 6-4 | | | | | | | | | |
15‑Nov‑1975 | London | Carpet | R32 | 21 | 90 | John Lloyd [GBR] d. Parun | 6-2 6-1 | | | | | | | | | |
6‑Nov‑1975 | Stockholm | Hard | SF | 21 | 28 | Adriano Panatta [ITA] d. Parun | 6-3 6-3 | | | | | | | | | |
6‑Nov‑1975 | Stockholm | Hard | QF | 21 | 11 | Parun d. Roscoe Tanner [USA] | 3-6 7-6 7-6 | | | | | | | | | |
6‑Nov‑1975 | Stockholm | Hard | R16 | 21 | | Parun d. Graham Stilwell [GBR] | 5-7 6-4 6-3 | | | | | | | | | |
6‑Nov‑1975 | Stockholm | Hard | R32 | 21 | | Parun d. (Q)Jorge Andrew [VEN] | 6-3 6-4 | | | | | | | | | |
6‑Nov‑1975 | Stockholm | Hard | R64 | 21 | | Parun d. (Q)Hans Goransson [SWE] | 6-3 6-2 | | | | | | | | | |
27‑Oct‑1975 | Paris Indoor | Hard | QF | 21 | 7 | (2)Arthur Ashe [USA] d. (7)Parun | 6-4 6-0 | | | | | | | | | |
27‑Oct‑1975 | Paris Indoor | Hard | R16 | 21 | 38 | (7)Parun d. Karl Meiler [GER] | 6-4 0-6 6-1 | | | | | | | | | |
27‑Oct‑1975 | Paris Indoor | Hard | R32 | 21 | 47 | (7)Parun d. Francois Jauffret [FRA] | 8-9 6-3 6-4 | | | | | | | | | |
26‑Oct‑1975 | Tehran | Clay | QF | 21 | 27 | Eddie Dibbs [USA] d. Parun | 7-5 6-2 | | | | | | | | | |
26‑Oct‑1975 | Tehran | Clay | R16 | 21 | | Parun d. Martin Robinson [GBR] | 6-3 6-4 | | | | | | | | | |
26‑Oct‑1975 | Tehran | Clay | R32 | 21 | 44 | Parun d. Roger Taylor [GBR] | 6-1 7-6 | | | | | | | | | |
26‑Oct‑1975 | Tehran | Clay | R64 | 21 | | Parun d. Ricardo Cano [ARG] | 7-6 7-5 | | | | | | | | | |
13‑Oct‑1975 | Barcelona | Clay | R16 | 21 | 27 | (8)Eddie Dibbs [USA] d. (9)Parun | 6-4 6-3 | | | | | | | | | |
13‑Oct‑1975 | Barcelona | Clay | R32 | 21 | 75 | (9)Parun d. Raymond Moore [RSA] | 6-4 5-7 6-2 | | | | | | | | | |
13‑Oct‑1975 | Barcelona | Clay | R64 | 21 | 88 | (9)Parun d. Birger Andersson [SWE] | 7-5 6-1 | | | | | | | | | |
12‑Oct‑1975 | Madrid | Clay | R16 | 21 | 28 | Adriano Panatta [ITA] d. Parun | 6-3 6-1 | | | | | | | | | |
12‑Oct‑1975 | Madrid | Clay | R32 | 21 | | Parun d. Rolf Gehring [GER] | 6-4 6-2 | | | | | | | | | |
12‑Oct‑1975 | Madrid | Clay | R64 | 21 | | Parun d. Lito Alvarez [ARG] | 2-6 7-5 6-4 | | | | | | | | | |
26‑Sep‑1975 | San Francisco | Carpet | R32 | 21 | | Rolf Thung [NED] d. (8)Parun | 6-3 6-4 | | | | | | | | | |
26‑Sep‑1975 | San Francisco | Carpet | R64 | 21 | | (8)Parun d. Tim Gullikson [USA] | 6-3 4-6 6-1 | | | | | | | | | |
15‑Sep‑1975 | Los Angeles | Hard | R16 | 21 | | Allan Stone [AUS] d. (6)Parun | 6-3 6-4 | | | | | | | | | |
15‑Sep‑1975 | Los Angeles | Hard | R32 | 21 | | (6)Parun d. Tim Gullikson [USA] | 6-1 6-7 6-1 | | | | | | | | | |
15‑Sep‑1975 | Los Angeles | Hard | R64 | 21 | | (6)Parun d. Haroon Rahim [PAK] | 3-6 6-3 6-4 | | | | | | | | | |
27‑Aug‑1975 | US Open | Clay | R32 | 21 | 14 | (11)Raul Ramirez [MEX] d. Parun | 1-6 6-3 6-3 | | | | | | | | | |
27‑Aug‑1975 | US Open | Clay | R64 | 21 | 39 | Parun d. Kim Warwick [AUS] | 7-5 6-3 | | | | | | | | | |
27‑Aug‑1975 | US Open | Clay | R128 | 21 | 17 | Parun d. Stan Smith [USA] | 6-4 6-2 | | | | | | | | | |
26‑Aug‑1975 | Boston | Clay | R64 | 21 | | Jim Delaney [USA] d. Parun | 6-1 4-6 7-6 | | | | | | | | | |
11‑Aug‑1975 | Toronto | Clay | R32 | 21 | 62 | Jose Higueras [ESP] d. (9)Parun | 6-2 6-4 | | | | | | | | | |
11‑Aug‑1975 | Toronto | Clay | R64 | 21 | | (9)Parun d. Martin Robinson [GBR] | 7-5 6-1 | | | | | | | | | |
5‑Aug‑1975 | Louisville | Clay | R16 | 21 | 14 | Raul Ramirez [MEX] d. Parun | 6-2 6-2 | | | | | | | | | |
5‑Aug‑1975 | Louisville | Clay | R32 | 21 | 40 | Parun d. Charlie Pasarell [USA] | 4-6 6-4 6-3 | | | | | | | | | |
5‑Aug‑1975 | Louisville | Clay | R64 | 21 | | Parun d. Jairo Velasco [ESP] | 6-0 6-1 | | | | | | | | | |
4‑Aug‑1975 | Indianapolis | Clay | SF | 21 | 7 | (2)Arthur Ashe [USA] d. (6)Parun | 6-4 7-6 | | | | | | | | | |
4‑Aug‑1975 | Indianapolis | Clay | QF | 21 | 83 | (6)Parun d. Ivan Molina [COL] | 4-6 6-1 6-4 | | | | | | | | | |
4‑Aug‑1975 | Indianapolis | Clay | R16 | 21 | 28 | (6)Parun d. Adriano Panatta [ITA] | 6-4 6-3 | | | | | | | | | |
4‑Aug‑1975 | Indianapolis | Clay | R32 | 21 | 66 | (6)Parun d. Sherwood Stewart [USA] | 6-4 7-5 | | | | | | | | | |
4‑Aug‑1975 | Indianapolis | Clay | R64 | 21 | | (6)Parun d. Antonio Munoz [ESP] | 6-4 5-7 6-2 | | | | | | | | | |
21‑Jul‑1975 | Washington | | R64 | 21 | | Lito Alvarez [ARG] d. Parun | 6-3 6-2 | | | | | | | | | |
13‑Jul‑1975 | Kitzbuhel | Clay | R16 | 21 | 70 | Wojtek Fibak [POL] d. Parun | 6-4 3-6 11-9 | | | | | | | | | |
13‑Jul‑1975 | Kitzbuhel | Clay | R32 | 21 | | Parun d. Frank Gebert [GER] | 7-5 6-3 | | | | | | | | | |
23‑Jun‑1975 | Wimbledon | Grass | R32 | 20 | 34 | Sandy Mayer [USA] d. (15)Parun | 6-4 9-8 6-2 | | | | | | | | | |
23‑Jun‑1975 | Wimbledon | Grass | R64 | 20 | 136 | (15)Parun d. (LL)Tenny Svensson [SWE] | 6-2 1-0 RET | | | | | | | | | |
23‑Jun‑1975 | Wimbledon | Grass | R128 | 20 | 221 | (15)Parun d. Neale Fraser [AUS] | 6-3 6-3 9-7 | | | | | | | | | |
16‑Jun‑1975 | Nottingham | Grass | R64 | 20 | 149 | John Feaver [GBR] d. Parun | 9-8 6-4 | | | | | | | | | |
4‑Jun‑1975 | Roland Garros | Clay | QF | 20 | 3 | (4)Guillermo Vilas [ARG] d. (16)Parun | 6-2 6-2 7-6 | | | | | | | | | |
4‑Jun‑1975 | Roland Garros | Clay | R16 | 20 | 11 | (16)Parun d. (6)John Alexander [AUS] | 6-2 2-6 3-6 6-3 8-6 | | | | | | | | | |
4‑Jun‑1975 | Roland Garros | Clay | R32 | 20 | 48 | (16)Parun d. Patrick Proisy [FRA] | 6-2 6-7 6-2 6-4 | | | | | | | | | |
4‑Jun‑1975 | Roland Garros | Clay | R64 | 20 | 154 | (16)Parun d. Wanaro Ngodrella [FRA] | 6-4 7-5 | | | | | | | | | |
4‑Jun‑1975 | Roland Garros | Clay | R128 | 20 | 239 | (16)Parun d. (Q)Jose Castanon [ESP] | 6-2 6-3 | | | | | | | | | |
25‑May‑1975 | Rome | Clay | QF | 20 | 2 | (2)Guillermo Vilas [ARG] d. (7)Parun | 6-3 6-1 | | | | | | | | | |
25‑May‑1975 | Rome | Clay | R16 | 20 | 50 | (7)Parun d. Karl Meiler [GER] | 7-6 4-6 7-5 | | | | | | | | | |
25‑May‑1975 | Rome | Clay | R32 | 20 | 85 | (7)Parun d. Fred Mcnair [USA] | 6-4 6-7 6-1 | | | | | | | | | |
25‑May‑1975 | Rome | Clay | R64 | 20 | 121 | (7)Parun d. Kjell Johansson [SWE] | 7-6 7-5 | | | | | | | | | |
19‑May‑1975 | Hamburg | Clay | QF | 20 | 10 | Manuel Orantes [ESP] d. Parun | 6-2 6-4 | | | | | | | | | |
19‑May‑1975 | Hamburg | Clay | R16 | 20 | 50 | Parun d. Karl Meiler [GER] | 6-3 6-4 | | | | | | | | | |
19‑May‑1975 | Hamburg | Clay | R32 | 20 | 162 | Parun d. Rolf Norberg [SWE] | 6-1 6-2 | | | | | | | | | |
19‑May‑1975 | Hamburg | Clay | R64 | 20 | 95 | Parun d. Antonio Munoz [ESP] | 7-6 7-6 | | | | | | | | | |
12‑May‑1975 | Bournemouth | Clay | SF | 20 | 75 | Patrick Proisy [FRA] d. Parun | 6-4 6-1 | | | | | | | | | |
12‑May‑1975 | Bournemouth | Clay | QF | 20 | 22 | Parun d. Jan Kodes [CZE] | 1-6 6-4 6-3 | | | | | | | | | |
12‑May‑1975 | Bournemouth | Clay | R16 | 20 | 136 | Parun d. Jean Francois Caujolle [FRA] | 4-6 6-0 6-3 | | | | | | | | | |
12‑May‑1975 | Bournemouth | Clay | R32 | 20 | 193 | Parun d. Stephen Warboys [GBR] | 9-8 6-2 | | | | | | | | | |
12‑May‑1975 | Bournemouth | Clay | R64 | 20 | 333 | Parun d. David Lloyd [GBR] | 6-4 4-6 7-5 | | | | | | | | | |
21‑Apr‑1975 | Stockholm - WCT | Carpet | SF | 20 | 8 | (1)Arthur Ashe [USA] d. (7)Parun | 6-4 6-1 | | | | | | | | | |
21‑Apr‑1975 | Stockholm - WCT | Carpet | QF | 20 | 59 | (7)Parun d. Corrado Barazzutti [ITA] | 6-7(5) 6-3 6-2 | | | | | | | | | |
21‑Apr‑1975 | Stockholm - WCT | Carpet | R16 | 20 | 79 | (7)Parun d. Frew Mcmillan [RSA] | 6-4 3-6 6-4 | | | | | | | | | |
21‑Apr‑1975 | Stockholm - WCT | Carpet | R32 | 20 | 48 | (7)Parun d. Paolo Bertolucci [ITA] | 6-3 6-1 | | | | | | | | | |
11‑Apr‑1975 | Johannesburg - WCT | Hard | QF | 20 | 9 | (4)Tom Okker [NED] d. (8)Parun | 7-5 4-6 7-6(5) | | | | | | | | | |
11‑Apr‑1975 | Johannesburg - WCT | Hard | R16 | 20 | 95 | (8)Parun d. Bob Giltinan [AUS] | 7-5 6-4 | | | | | | | | | |
11‑Apr‑1975 | Johannesburg - WCT | Hard | R32 | 20 | 93 | (8)Parun d. Steve Krulevitz [USA] | 4-6 7-5 6-4 | | | | | | | | | |
23‑Mar‑1975 | Monte Carlo WCT | Clay | R16 | 19 | 41 | Adriano Panatta [ITA] d. (6)Parun | 6-2 7-5 | | | | | | | | | |
23‑Mar‑1975 | Monte Carlo WCT | Clay | R32 | 19 | 61 | (6)Parun d. Corrado Barazzutti [ITA] | 6-1 6-2 | | | | | | | | | |
10‑Mar‑1975 | Munich WCT | Carpet | R32 | 19 | 46 | Balazs Taroczy [HUN] d. (6)Parun | 6-4 6-4 | | | | | | | | | |
4‑Mar‑1975 | London WCT | Carpet | R16 | 19 | 75 | Zeljko Franulovic [CRO] d. Parun | 3-6 6-4 6-3 | | | | | | | | | |
28‑Feb‑1975 | Davis Cup EUR F: NZL vs AUS | Grass | RR | 21 | 8 | Ken Rosewall [AUS] d. Parun | 6-2 6-4 6-2 | | | | | | | | | |
28‑Feb‑1975 | Davis Cup EUR F: NZL vs AUS | Grass | RR | 21 | 54 | Geoff Masters [AUS] d. Parun | 3-6 8-10 Played and unfinished | | | | | | | | | |
17‑Feb‑1975 | Barcelona WCT | Carpet | SF | 21 | 7 | (2)Arthur Ashe [USA] d. (5)Parun | 6-2 6-4 | | | | | | | | | |
17‑Feb‑1975 | Barcelona WCT | Carpet | QF | 21 | 147 | (5)Parun d. Kjell Johansson [SWE] | 6-2 6-1 | | | | | | | | | |
17‑Feb‑1975 | Barcelona WCT | Carpet | R16 | 21 | 64 | (5)Parun d. Patrice Dominguez [FRA] | 6-3 6-4 | | | | | | | | | |
17‑Feb‑1975 | Barcelona WCT | Carpet | R32 | 21 | 97 | (5)Parun d. John Lloyd [GBR] | 6-7(4) 6-3 6-3 | | | | | | | | | |
6‑Feb‑1975 | Bologna WCT | Carpet | QF | 21 | 7 | (1)Arthur Ashe [USA] d. (5)Parun | 6-2 6-4 | | | | | | | | | |
6‑Feb‑1975 | Bologna WCT | Carpet | R16 | 21 | 50 | (5)Parun d. Paolo Bertolucci [ITA] | 3-6 6-3 6-1 | | | | | | | | | |
6‑Feb‑1975 | Bologna WCT | Carpet | R32 | 21 | 63 | (5)Parun d. Sherwood Stewart [USA] | 6-3 7-5 | | | | | | | | | |
27‑Jan‑1975 | Richmond-WCT | Carpet | QF | 21 | 39 | (8)Kim Warwick [AUS] d. (4)Parun | 6-4 7-6(3) | | | | | | | | | |
27‑Jan‑1975 | Richmond-WCT | Carpet | R16 | 21 | 50 | (4)Parun d. Paolo Bertolucci [ITA] | 7-6(5) 6-3 | | | | | | | | | |
27‑Jan‑1975 | Richmond-WCT | Carpet | R32 | 21 | 95 | (4)Parun d. Steve Krulevitz [USA] | 6-4 1-6 6-2 | | | | | | | | | |
20‑Jan‑1975 | Philadelphia WCT | Carpet | R64 | 21 | 58 | Brian Fairlie [NZL] d. Parun | 6-1 7-6(6) | | | | | | | | | |
20‑Jan‑1975 | Philadelphia WCT | Carpet | R128 | 21 | 66 | Parun d. Patricio Cornejo [CHI] | W/O | | | | | | | | | |
17‑Jan‑1975 | Davis Cup EUR SF: IND vs NZL | | RR | 25 | 39 | Parun d. Vijay Amritraj [IND] | 4-6 6-2 10-12 6-3 6-4 | | | | | | | | | |
17‑Jan‑1975 | Davis Cup EUR SF: IND vs NZL | | RR | 25 | 87 | Parun d. Anand Amritraj [IND] | 5-7 6-4 6-3 6-8 6-2 | | | | | | | | | |
12‑Jan‑1975 | Auckland | Grass | F | 25 | 58 | (1)Parun d. (2)Brian Fairlie [NZL] | 4-6 6-4 6-4 6-7 6-4 | | | | | | | | | |
12‑Jan‑1975 | Auckland | Grass | SF | 25 | 132 | (1)Parun d. Jeff Simpson [NZL] | 6-3 6-3 6-3 | | | | | | | | | |
12‑Jan‑1975 | Auckland | Grass | QF | 25 | 228 | (1)Parun d. Gerard Wimmer [AUT] | 7-6 6-7 7-6 6-4 | | | | | | | | | |
12‑Jan‑1975 | Auckland | Grass | R16 | 25 | 210 | (1)Parun d. Mike Machette [USA] | 6-4 6-7 6-4 2-6 17-15 | | | | | | | | | |
12‑Jan‑1975 | Auckland | Grass | R32 | 25 | | (1)Parun d. Jukka Narakka [FIN] | 6-1 6-3 3-6 6-1 | | | | | | | | | |