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Johnny Muller
Johnny Muller has found the Tour difficult, recording 1–4 across 5 matches (20.0%). The numbers point to a player still building their Tour presence — a key area of opportunity going forward.
| Date | Tournament | Srf | Rd | Wrk | Winner | Lrk | Loser | Score |
|---|---|---|---|---|---|---|---|---|
| 1980-04-08 | Johannesburg-1 | Hard | R16 | 73 | - | 6-3 6-2 | ||
| 1980-04-08 | Johannesburg-1 | Hard | R32 | - | 543 | 6-0 6-1 | ||
| 1977-03-08 | Johannesburg-1 | Hard | R32 | 2 | 240 | 6-1 6-0 | ||
| 1976-04-05 | Johannesburg WCT | Hard | R16 | 20 | 347 | 6-2 6-4 | ||
| 1975-11-17 | Johannesburg-2 | Hard | R64 | 129 | - | 6-3 1-6 6-1 |