27‑Sep‑1971 | Berkeley | Hard | R64 | | | (6)Arthur Ashe [USA] d. Zednik | 2-6 6-4 6-4 | | | | | | | | | |
20‑Sep‑1971 | Sacramento | Hard | R16 | | | Roger Taylor [GBR] d. Zednik | 6-4 6-7 6-3 | | | | | | | | | |
20‑Sep‑1971 | Sacramento | Hard | R32 | | | Zednik d. Ken Stuart [USA] | 6-4 4-6 7-5 | | | | | | | | | |
20‑Sep‑1971 | Los Angeles | Hard | R64 | | | (3)Cliff Richey [USA] d. Zednik | 7-5 6-4 | | | | | | | | | |
20‑Sep‑1971 | Sacramento | Hard | R64 | | | Zednik d. Graham Stilwell [GBR] | 6-4 6-2 | | | | | | | | | |
1‑Sep‑1971 | US Open | Grass | R128 | | | Manuel Orantes [ESP] d. Zednik | 6-4 7-5 6-4 | | | | | | | | | |
1‑Aug‑1971 | Davis Cup EUR SF: BRA vs TCH | Clay | RR | | | Luis Felipe Tavares [BRA] d. Zednik | 7-9 7-5 6-4 4-5 RET | | | | | | | | | |
19‑Jul‑1971 | Kitzbuhel | Clay | R16 | | | Colin Dibley [AUS] d. Zednik | 4-6 6-3 7-6 4-6 6-4 | | | | | | | | | |
19‑Jul‑1971 | Kitzbuhel | Clay | R32 | | | Zednik d. Han Jurgen Pohmann [GER] | 6-3 6-3 6-4 | | | | | | | | | |
21‑Jun‑1971 | Wimbledon | Grass | R128 | | | Byron Bertram [RSA] d. Zednik | 6-3 3-6 6-2 6-0 | | | | | | | | | |
14‑Jun‑1971 | Eastbourne | Grass | R32 | | | Ken Rosewall [AUS] d. Zednik | W/O | | | | | | | | | |
21‑May‑1971 | Roland Garros | Clay | R128 | | | (12)Pierre Barthes [FRA] d. Zednik | 6-4 3-6 6-3 6-1 | | | | | | | | | |
17‑May‑1971 | Hamburg | Clay | SF | | | Andres Gimeno [ESP] d. Zednik | 6-3 6-3 6-2 | | | | | | | | | |
17‑May‑1971 | Hamburg | Clay | QF | | | Zednik d. Manuel Orantes [ESP] | 6-4 6-4 3-1 RET | | | | | | | | | |
17‑May‑1971 | Hamburg | Clay | R16 | | | Zednik d. Han Jurgen Pohmann [GER] | 6-4 9-8 6-4 | | | | | | | | | |
17‑May‑1971 | Hamburg | Clay | R32 | | | Zednik d. John Newcombe [AUS] | 2-6 6-3 6-3 RET | | | | | | | | | |
30‑Apr‑1971 | Davis Cup EUR R1: EGY vs TCH | Clay | RR | | | Moataz El Sonbol [EGY] d. Zednik | 7-5 6-3 6-4 | | | | | | | | | |
25‑Apr‑1971 | Catania | Clay | R16 | | | Jean Loup Rouyer [FRA] d. Zednik | 6-4 7-5 | | | | | | | | | |
25‑Apr‑1971 | Catania | Clay | R32 | | | Zednik d. Antonio Zugarelli [ITA] | 6-7 6-4 6-2 | | | | | | | | | |
7‑Apr‑1971 | Des Moines | Carpet | F | | | Cliff Richey [USA] d. Zednik | 6-1 6-3 | | | | | | | | | |
7‑Apr‑1971 | Des Moines | Carpet | SF | | | Zednik d. Terry Addison [AUS] | 6-3 7-5 | | | | | | | | | |
7‑Apr‑1971 | Des Moines | Carpet | QF | | | Zednik d. Onny Parun [NZL] | 7-6 6-4 | | | | | | | | | |
7‑Apr‑1971 | Des Moines | Carpet | R16 | | | Zednik d. Hans Kary [AUT] | 4-6 6-1 6-4 | | | | | | | | | |
28‑Mar‑1971 | San Juan | Hard | R32 | | | Erik Van Dillen [USA] d. Zednik | 6-4 6-3 | | | | | | | | | |
24‑Mar‑1971 | Pensacola | Hard | R16 | | | Steve Faulk [USA] d. Zednik | 2-6 6-2 6-3 | | | | | | | | | |
21‑Mar‑1971 | Caracas | Clay | R32 | | | Frank Froehling [USA] d. Zednik | 7-6 6-4 | | | | | | | | | |
7‑Mar‑1971 | Hampton | Hard | R32 | | | Martin Mulligan [AUS] d. Zednik | 4-6 6-0 6-0 | | | | | | | | | |
1‑Mar‑1971 | Macon | Hard | R32 | | | Tom Gorman [USA] d. Zednik | 6-4 6-4 | | | | | | | | | |
21‑Feb‑1971 | Salisbury | Hard | SF | | | Cliff Richey [USA] d. Zednik | 6-4 3-6 6-7 6-2 6-1 | | | | | | | | | |
21‑Feb‑1971 | Salisbury | Hard | QF | | | Zednik d. Peter Curtis [GBR] | 7-6 6-2 | | | | | | | | | |
21‑Feb‑1971 | Salisbury | Hard | R16 | | | Zednik d. Terry Addison [AUS] | 4-6 6-2 6-3 | | | | | | | | | |
21‑Feb‑1971 | Salisbury | Hard | R32 | | | Zednik d. Zeljko Franulovic [CRO] | 3-6 6-4 6-4 | | | | | | | | | |
21‑Feb‑1971 | Salisbury | Hard | R64 | | | Zednik d. Patricio Cornejo [CHI] | 6-2 6-4 | | | | | | | | | |
23‑Jan‑1971 | Melbourne | Grass | R64 | | | Cliff Letcher [AUS] d. Zednik | 7-5 7-5 6-3 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | QF | | | Phil Dent [AUS] d. Zednik | 6-2 6-4 6-7 4-6 6-1 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R16 | | | Zednik d. Ray Keldie [AUS] | 3-6 6-4 6-3 7-6 | | | | | | | | | |
18‑Jan‑1971 | Sydney Outdoor | Hard | R32 | | | Zednik d. John Bartlett [AUS] | 4-6 6-7 6-3 6-2 6-2 | | | | | | | | | |
10‑Jan‑1971 | Hobart | Hard | R16 | | | Ian Fletcher [AUS] d. Zednik | 6-1 6-1 | | | | | | | | | |
10‑Jan‑1971 | Hobart | Hard | R32 | | | Zednik d. Mervyn Rose [AUS] | 6-4 6-4 | | | | | | | | | |