1‑Nov‑1971 | Stockholm Open | Hard | R64 | | | Tenny Svensson [SWE] d. Zahr | 6-4 4-6 6-2 | | | | | | | | | |
10‑Jul‑1971 | Bastad | Clay | R16 | | | Manuel Santana [ESP] d. Zahr | 6-2 6-2 4-6 6-2 | | | | | | | | | |
10‑Jul‑1971 | Bastad | Clay | R32 | | | Zahr d. William Alvarez [COL] | 6-3 6-2 6-2 | | | | | | | | | |
7‑May‑1971 | Davis Cup EUR R1: SWE vs FRA | Clay | RR | | | Pierre Barthes [FRA] d. Zahr | 6-1 6-4 6-1 | | | | | | | | | |
5‑Apr‑1971 | Monte Carlo | Clay | R16 | | | (7)Pierre Barthes [FRA] d. Zahr | 6-0 6-2 6-2 | | | | | | | | | |
5‑Apr‑1971 | Monte Carlo | Clay | R32 | | | Zahr d. Bill Bowrey [AUS] | 6-1 6-3 | | | | | | | | | |
30‑Mar‑1971 | Nice | Clay | R64 | | | Patrick Proisy [FRA] d. Zahr | 6-4 6-0 | | | | | | | | | |