24‑Jun‑1968 | Wimbledon | Grass | R128 | | | Stan Smith [USA] d. Merlo | 6-4 6-3 6-0 | | | | | | | | | |
22‑Jun‑1965 | Wimbledon | Grass | R128 | | | Premjit Lall [IND] d. Merlo | 6-0 6-2 4-6 7-5 | | | | | | | | | |
26‑Jun‑1963 | Wimbledon | Grass | R32 | | | Adrian Bey [RHO] d. Merlo | 6-2 6-3 6-3 | | | | | | | | | |
26‑Jun‑1963 | Wimbledon | Grass | R64 | | | Merlo d. Bobby Siska [USA] | 6-3 6-2 6-3 | | | | | | | | | |
26‑Jun‑1963 | Wimbledon | Grass | R128 | | | Merlo d. Graham Stilwell [GBR] | 6-4 6-4 6-2 | | | | | | | | | |
26‑Jun‑1961 | Wimbledon | Grass | R128 | | | Wilhelm Bungert [GER] d. Merlo | 5-7 8-6 7-5 6-4 | | | | | | | | | |
20‑Jun‑1960 | Wimbledon | Grass | R64 | | | Roger Becker [GBR] d. Merlo | 4-6 3-6 9-7 6-3 6-2 | | | | | | | | | |
20‑Jun‑1960 | Wimbledon | Grass | R128 | | | Merlo d. Jackie Brichant [BEL] | 6-3 6-4 6-3 | | | | | | | | | |
22‑Jun‑1959 | Wimbledon | Grass | R64 | | | Jack Frost [USA] d. Merlo | 6-0 6-0 6-3 | | | | | | | | | |
22‑Jun‑1959 | Wimbledon | Grass | R128 | | | Merlo d. Dieter Ecklebe [GER] | 6-4 2-6 6-36 -1 | | | | | | | | | |
1‑Jun‑1955 | Wimbledon | Grass | R16 | | | Ken Rosewall [AUS] d. Merlo | 6-4 6-1 2-1 RET | | | | | | | | | |
1‑Jun‑1955 | Wimbledon | Grass | R32 | | | Merlo d. Michael Davies [GBR] | 8-6 1-6 6-4 3-6 8-6 | | | | | | | | | |
1‑Jun‑1955 | Wimbledon | Grass | R64 | | | Merlo d. Cyril V Botha [RSA] | 6-1 6-4 3-6 6-1 | | | | | | | | | |
1‑Jun‑1955 | Wimbledon | Grass | R128 | | | Merlo d. Ian Mcdonald [TRI] | 6-0 6-2 6-4 | | | | | | | | | |
1‑Jun‑1953 | Wimbledon | Grass | R64 | | | Torben Ulrich [DEN] d. Merlo | 6-4 3-6 6-2 6-3 | | | | | | | | | |
1‑Jun‑1953 | Wimbledon | Grass | R128 | | | Merlo d. Guy Jackson [IRL] | 6-4 6-4 7-5 | | | | | | | | | |
1‑Jun‑1952 | Wimbledon | Grass | R128 | | | Lew Hoad [AUS] d. Merlo | 4-6 7-5 2-6 6-2 6-2 | | | | | | | | | |