# 1977 Marlboro South Australian Men's Tennis Classic – Singles

The event was being held for the first time since 1974.
Victor Amaya won the title, defeating Brian Teacher 6–1, 6–4 in the final.

## Seeds

* Roscoe Tanner (second round)
* Arthur Ashe (second round)
* Ray Ruffels (first round)
* Dick Stockton (quarterfinals)
* Mark Edmondson (second round)
* Ross Case (second round)
* N/A
* Phil Dent (second round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final |
| John Alexander | 4 | 4 | | | | |
| Victor Amaya | 6 | 6 | | | | |
| Victor Amaya | 6 | 6 | | Victor Amaya | 6 | 6 |
| | | | | Brian Teacher | 1 | 4 |
| Brian Teacher | 3 | 7 | 6 | Brian Teacher | 1 | 4 |
| Charlie Pasarell | 6 | 6 | 4 | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | R Tanner | 7 | 6 | | | | | | | | | | | | |
| | D Bohrnstedt | 5 | 3 | | 1 | R Tanner | 3 | 4 | | | | | | | |
| | | | | | | T Gorman | 6 | 6 | | | | | | | |
| | | | | | | | | | | T Gorman | 4 | 4 | | | |
| | | | | | | | | | | J Alexander | 6 | 6 | | | |
| | | | | | | C Letcher | 3 | 0 | | | | | | | |
| | J Alexander | 6 | 6 | | | J Alexander | 6 | 6 | | | | | | | |
| Q | G Thomson | 3 | 4 | | | | | | | | | | J Alexander | 6 | 6 |
| | R Gehring | 7 | 4 | 6 | | | | | | | | | R Gehring | 1 | 3 |
| | S Ball | 6 | 6 | 3 | | R Gehring | 6 | 5 | 6 | | | | | | |
| | | | | | | M Riessen | 4 | 7 | 4 | | | | | | |
| | | | | | | | | | | R Gehring | 6 | 3 | | | |
| | U Marten | 6 | 7 | | | | | | | U Marten | 3 | 0$^r$ | | | |
| | R Drysdale | 4 | 6 | | | U Marten | 6 | 7 | | | | | | | |
| | | | | | | Mark Meyers | 3 | 5 | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 3 | R Ruffels | 4 | 6 | 4 | | | | | | | | | | | | |
| | H Pfister | 6 | 4 | 6 | | H Pfister | 1 | 6 | 8 | | | | | | | |
| | | | | | | V Amaya | 6 | 3 | 10 | | | | | | | |
| | | | | | | | | | | V Amaya | 6 | 7 | | | | |
| | G Masters | 6 | 6 | | | | | | | G Masters | 4 | 6 | | | | |
| | A Gardiner | 4 | 0 | | | G Masters | 5 | 7 | 6 | | | | | | | |
| | | | | | Q | T Little | 7 | 6 | 4 | | | | | | | |
| | | | | | | | | | | | | | V Amaya | 6 | 6 | 6 |
| | | | | | | | | | | | | | C Dibley | 3 | 7 | 3 |
| | | | | | 6 | R Case | 4 | 6 | | | | | | | | |
| | E van Dillen | 7 | 6 | | | E van Dillen | 6 | 7 | | | | | | | | |
| | Noel Jensen | 6 | 1 | | | | | | | E van Dillen | 4 | 2 | | | | |
| | C Dibley | 6 | 6 | | | | | | | C Dibley | 6 | 6 | | | | |
| | B Drewett | 4 | 1 | | | C Dibley | 6 | 6 | | | | | | | | |
| | | | | | | Ronald Russo | 4 | 2 | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | W Pascoe | 4 | 7 | 6 | | | | | | | | | | | | | | |
| | J Hagey | 6 | 6 | 4 | | W Pascoe | 6 | 6 | | | | | | | | | | |
| | | | | | | C Fancutt | 7 | 7 | | | | | | | | | | |
| | | | | | | | | | | | C Fancutt | 6 | 1 | 4 | | | | |
| | | | | | | | | | | | B Teacher | 3 | 6 | 6 | | | | |
| | | | | | | B Teacher | 5 | 6 | 6 | | | | | | | | | |
| | J Feaver | 1 | 2 | | 5 | M Edmondson | 7 | 4 | 2 | | | | | | | | | |
| 5 | M Edmondson | 6 | 6 | | | | | | | | | | | | | B Teacher | 7 | 7 |
| | W Maher | 3 | 4 | | | | | | | | | | | | 4 | D Stockton | 6 | 6 |
| | A Stone | 6 | 6 | | | A Stone | 6 | 6 | | | | | | | | | | |
| | | | | | | B Carmichael | 1 | 4 | | | | | | | | | | |
| | | | | | | | | | | | A Stone | 3 | 5 | | | | | |
| | | | | | | | | | | 4 | D Stockton | 6 | 7 | | | | | |
| | | | | | | J Bartlett | 5 | 6 | 4 | | | | | | | | | |
| Q | P Elter | 4 | 4 | | 4 | D Stockton | 7 | 3 | 6 | | | | | | | | | |
| 4 | D Stockton | 6 | 6 | | | | | | | | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | | J Marks | 6 | 6 | | | | | | | | |
| Q | D Carter | 3 | 3 | | | K Eberhard | 3 | 4 | | | | | | | | |
| | K Eberhard | 6 | 6 | | | | | | | J Marks | 0 | 2 | | | | |
| | | | | | | | | | | S Stewart | 6 | 6 | | | | |
| | | | | | | S Stewart | 6 | 6 | | | | | | | | |
| | J James | 5 | 3 | | 8 | P Dent | 4 | 4 | | | | | | | | |
| 8 | P Dent | 7 | 6 | | | | | | | | | | S Stewart | 7 | 3 | 2 |
| | | | | | | | | | | | | | C Pasarell | 6 | 6 | 6 |
| | | | | | | K Warwick | 6 | 5 | 0$^r$ | | | | | | | |
| | B Phillips-Moore | 4 | 6 | 2 | | C Kachel | 3 | 7 | 4 | | | | | | | |
| | C Kachel | 6 | 4 | 6 | | | | | | C Kachel | 4 | 2 | | | | |
| Q | T Rocavert | 6 | 3 | | | | | | | C Pasarell | 6 | 6 | | | | |
| | C Pasarell | 7 | 6 | | | C Pasarell | 7 | 6 | 6 | | | | | | | |
| | | | | | 2 | A Ashe | 6 | 7 | 3 | | | | | | | |