Tour · 1980-04-08 · draw of 32
Johannesburg-1 1980
HardFinal
| 🇨🇭 Heinz Gunthardt | d. | 🇺🇸 Victor Amaya | 6-4 6-4 | H2H |
Semifinals
| 🇺🇸 Victor Amaya | d. | 🇧🇷 Carlos Kirmayr | 7-6 6-3 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇦🇷 Jose-Luis Clerc | 6-3 6-4 | H2H |
Quarterfinals
| 🇧🇷 Carlos Kirmayr | d. | 🇺🇸 Ferdi Taygan | 7-5 6-4 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇿🇦 Deon Joubert | 6-3 6-2 | H2H |
| 🇺🇸 Victor Amaya | d. | 🇮🇱 Shlomo Glickstein | 6-2 4-6 6-4 | H2H |
| 🇦🇷 Jose-Luis Clerc | d. | 🇫🇷 Patrick Proisy | 7-6 6-4 | H2H |
Round of 16
| 🇺🇸 Ferdi Taygan | d. | 🇬🇧 Colin Dowdeswell | 6-3 3-6 6-3 | H2H |
| 🇫🇷 Patrick Proisy | d. | 🇫🇷 Patrice Dominguez | 7-6 7-6 | H2H |
| 🇮🇱 Shlomo Glickstein | d. | 🇿🇦 Johnny Muller | 6-3 6-2 | H2H |
| 🇧🇷 Carlos Kirmayr | d. | 🇦🇺 Paul Kronk | 6-4 6-2 | H2H |
| 🇿🇦 Deon Joubert | d. | 🇿🇼 Andrew Pattison | 6-4 6-3 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇿🇦 Raymond Moore | 6-4 6-0 | H2H |
| 🇺🇸 Victor Amaya | d. | 🇫🇷 Dominique Bedel | 6-1 6-0 | H2H |
| 🇦🇷 Jose-Luis Clerc | d. | 🇳🇿 Onny Parun | 6-3 6-2 | H2H |
Round of 32
| 🇺🇸 Ferdi Taygan | d. | 🇿🇦 Jean Van Rensburg | 6-0 6-4 | H2H |
| 🇫🇷 Patrick Proisy | d. | 🇿🇦 Schalk Van Der Merwe | 2-6 6-1 6-4 | H2H |
| 🇳🇿 Onny Parun | d. | 🇿🇦 Frew McMillan | 6-4 6-1 | H2H |
| 🇿🇦 Johnny Muller | d. | 🇿🇦 Frank Puncec | 6-0 6-1 | H2H |
| 🇿🇦 Raymond Moore | d. | 🇺🇸 Tom Gullikson | 6-3 2-6 6-1 | H2H |
| 🇦🇺 Paul Kronk | d. | 🇺🇸 David Schneider | 6-3 6-2 | H2H |
| 🇿🇦 Deon Joubert | d. | 🇺🇸 Rick Fisher | 4-6 6-2 6-3 | H2H |
| 🇫🇷 Dominique Bedel | d. | 🇿🇦 Andre Zietsman | 6-3 6-2 | H2H |
| 🇫🇷 Patrice Dominguez | d. | 🇿🇦 Byron Bertram | 7-6 6-0 | H2H |
| 🇮🇱 Shlomo Glickstein | d. | 🇫🇷 Eric Deblicker | 6-3 6-2 | H2H |
| 🇧🇷 Carlos Kirmayr | d. | 🇿🇦 John Yuill | 6-2 6-3 | H2H |
| 🇿🇼 Andrew Pattison | d. | 🇨🇱 Belus Prajoux | 7-6 6-3 | H2H |
| 🇨🇭 Heinz Gunthardt | d. | 🇿🇦 Bob Hewitt | 6-2 7-6 | H2H |
| 🇺🇸 Victor Amaya | d. | 🇫🇷 Gilles Moretton | 6-3 6-3 | H2H |
| 🇬🇧 Colin Dowdeswell | d. | 🇺🇸 John Sadri | 7-6 6-4 | H2H |
| 🇦🇷 Jose-Luis Clerc | d. | 🇫🇷 Christophe Freyss | 7-5 6-4 | H2H |