# 1977 Australian Open (December) – Men's singles

Vitas Gerulaitis defeated John Lloyd in the final, 6–3, 7–6, 5–7, 3–6, 6–2 to win the men's singles tennis title at the December 1977 Australian Open. It was his first and only major singles title. Gerulaitis was making his tournament debut.
Roscoe Tanner was the defending champion, but lost in the first round to Chris Lewis.
The second of the two Australian Opens held in 1977 started on 19 December and ended on 31 December. For the first Australian Open held in 1977, see: 1977 Australian Open (January).

## Seeds

The seeded players are listed below. Vitas Gerulaitis is the champion; others show the round in which they were eliminated.
* Vitas Gerulaitis (champion)
* Roscoe Tanner (first round)
* Tony Roche (first round)
* Ken Rosewall (quarterfinals)
* Phil Dent (second round)
* John Alexander (semifinals)
* Stan Smith (third round)
* Tim Gullikson (third round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* r = Retired

### Final eight

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final | Final |
| 1 | Vitas Gerulaitis | 6 | 6 | 6 | 6 | | | | | | | | | | | | |
| | Ray Ruffels | 7 | 4 | 4 | 2 | | | | | | | | | | | | |
| | Ray Ruffels | 7 | 4 | 4 | 2 | 1 | Vitas Gerulaitis | 6 | 6 | 6 | | | | | | | |
| | | | | | | 6 | John Alexander | 1 | 2 | 4 | | | | | | | |
| 4 | Ken Rosewall | 6 | 6 | 6 | 1 | 6 | John Alexander | 1 | 2 | 4 | | | | | | | |
| 6 | John Alexander | 7 | 7 | 4 | 6 | | | | | | | | | | | | |
| 6 | John Alexander | 7 | 7 | 4 | 6 | | | | | | 1 | Vitas Gerulaitis | 6 | 7 | 5 | 3 | 6 |
| | | | | | | | | | | | | John Lloyd | 3 | 6 | 7 | 6 | 2 |
| | John Newcombe | 6 | 3 | 5 | 5 | | | | | | | | | | | | | John Lloyd | 3 | 6 | 7 | 6 | 2 |
| | John Lloyd | 3 | 6 | 7 | 7 | | | | | | | | | | | | |
| | John Lloyd | 3 | 6 | 7 | 7 | | John Lloyd | 6 | 6 | 6 | | | | | | | |
| | | | | | | Q | Bob Giltinan | 4 | 2 | 0 | | | | | | | |
| | Robin Drysdale | 4 | 4 | 6 | 6 | Q | Bob Giltinan | 4 | 2 | 0 | | | | | | | |
| Q | Bob Giltinan | 6 | 6 | 3 | 7 | | | | | | | | | | | | |

### Section 1

| First round | First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 1 | V Gerulaitis | 7 | 6 | 6 | | | | | | | | | | | | | | | | | | | | |
| | J Marks | 6 | 0 | 1 | | | 1 | V Gerulaitis | 6 | 6 | 6 | | | | | | | | | | | | | |
| Q | R Frawley | 6 | 2 | 7 | 6 | 2 | Q | B Drewett | 4 | 3 | 3 | | | | | | | | | | | | | |
| Q | B Drewett | 7 | 6 | 6 | 2 | 6 | | | | | | | 1 | V Gerulaitis | 6 | 6 | 6 | | | | | | | |
| | O Parun | 2 | 4 | 7 | 4 | | | | | | | | | DR Bohrnstedt | 4 | 4 | 4 | | | | | | | |
| | DR Bohrnstedt | 6 | 6 | 6 | 6 | | | DR Bohrnstedt | 6 | 6 | 6 | 6 | | | | | | | | | | | | |
| | J James | 6 | 6 | 1 | 6 | | | J James | 2 | 4 | 7 | 4 | | | | | | | | | | | | |
| | J Bartlett | 0 | 3 | 6 | 2 | | | | | | | | | | | | | | 1 | V Gerulaitis | 6 | 6 | 6 | 6 |
| | K Warwick | 5 | 7 | 6 | 5 | | | | | | | | | | | | | | | R Ruffels | 7 | 4 | 4 | 2 |
| | P McNamee | 7 | 6 | 7 | 7 | | | P McNamee | 3 | 2 | 3 | | | | | | | | | | | | | |
| | R Ruffels | 6 | 7 | 3 | 6 | | | R Ruffels | 6 | 6 | 6 | | | | | | | | | | | | | |
| | W Maher | 4 | 6 | 6 | 1 | | | | | | | | | R Ruffels | 6 | 3 | 6 | 6 | | | | | | |
| | B Carmichael | 2 | 6 | 3 | 3 | | | | | | | | 8 | T Gullikson | 3 | 6 | 4 | 3 | | | | | | |
| Q | N Phillips | 6 | 4 | 6 | 6 | | Q | N Phillips | 2 | 2 | 1 | | | | | | | | | | | | | |
| | P McNamara | 6 | 3 | 6 | 6 | 3 | 8 | T Gullikson | 6 | 6 | 6 | | | | | | | | | | | | | |
| 8 | T Gullikson | 3 | 6 | 2 | 7 | 6 | | | | | | | | | | | | | | | | | | |

### Section 2

| First round | First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | K Rosewall | 6 | 7 | 6 | | | | | | | | | | | | | | | | | | | | |
| | D Collings | 4 | 6 | 3 | | 4 | K Rosewall | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | B Lloyd | 7 | 6 | 6 | | | B Lloyd | 3 | 2 | 3 | | | | | | | | | | | | | | |
| | W Lofgren | 5 | 2 | 2 | | | | | | | | 4 | K Rosewall | 6 | 4 | 6 | 4 | 9 | | | | | | |
| | B Phillips-Moore | 6 | 7 | 7 | | | | | | | | | A Stone | 4 | 6 | 4 | 6 | 7 | | | | | | |
| | C Casa | 0 | 6 | 5 | | | B Phillips-Moore | 1 | 1 | 1 | | | | | | | | | | | | | | |
| | A Stone | 3 | 6 | 6 | 6 | | A Stone | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | S Carnahan | 6 | 2 | 4 | 1 | | | | | | | | | | | | | | 4 | K Rosewall | 6 | 6 | 6 | 1 |
| | B Scanlon | 6 | 6 | 6 | | | | | | | | | | | | | | | 6 | J Alexander | 7 | 7 | 4 | 6 |
| | B Fairlie | 3 | 2 | 3 | | | B Scanlon | 6 | 2 | 6 | 6 | | | | | | | | | | | | | |
| | D Palm | 5 | r. | | | | A Gardiner | 2 | 6 | 3 | 4 | | | | | | | | | | | | | |
| | A Gardiner | 7 | | | | | | | | | | | B Scanlon | 6 | 7 | 1 | 2 | | | | | | | |
| Q | M Anderson | 6 | 5 | r. | | | | | | | | 6 | J Alexander | 7 | 6 | 6 | 6 | | | | | | | |
| | C Kachel | 7 | 7 | | | | C Kachel | 3 | 4 | 7 | 2 | | | | | | | | | | | | | |
| | W Blocher | 2 | 2 | 5 | | 6 | J Alexander | 6 | 6 | 5 | 6 | | | | | | | | | | | | | |
| 6 | J Alexander | 6 | 6 | 7 | | | | | | | | | | | | | | | | | | | | |

### Section 3

| First round | First round | First round | First round | First round | First round | First round | Second 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 | Quarterfinals |
| 7 | S Smith | 7 | 6 | 6 | | | | | | | | | | | | | | | | | | |
| | J Feaver | 5 | 3 | 4 | | | 7 | S Smith | 4 | 6 | 7 | 6 | | | | | | | | | | |
| | D Crealy | 6 | 7 | 5 | 6 | | | D Crealy | 6 | 3 | 6 | 3 | | | | | | | | | | |
| Q | P Campbell | 2 | 6 | 7 | 3 | | | | | | | | 7 | S Smith | 3 | 6 | 5 | | | | | |
| | J Newcombe | 6 | 7 | 6 | | | | | | | | | | J Newcombe | 6 | 7 | 7 | | | | | |
| | B Teacher | 3 | 6 | 3 | | | | J Newcombe | 6 | 7 | 6 | | | | | | | | | | | |
| | E Teltscher | 3 | 2 | 2 | | | | C Dibley | 4 | 6 | 3 | | | | | | | | | | | |
| | C Dibley | 6 | 6 | 6 | | | | | | | | | | | | | | J Newcombe | 6 | 3 | 5 | 5 |
| | J Lloyd | 4 | 6 | 4 | 6 | 6 | | | | | | | | | | | | J Lloyd | 3 | 6 | 7 | 7 |
| | S Ball | 6 | 3 | 6 | 4 | 4 | | J Lloyd | 0 | 6 | 7 | 6 | | | | | | | | | | |
| | T Rocavert | 5 | 4 | 2 | | | | J Andrew | 6 | 3 | 6 | 2 | | | | | | | | | | |
| | J Andrew | 7 | 6 | 6 | | | | | | | | | | J Lloyd | 6 | 6 | 6 | | | | | |
| | T Wilkison | 2 | 6 | 1 | | | | | | | | | | C Letcher | 2 | 4 | 2 | | | | | |
| | C Letcher | 6 | 7 | 6 | | | | C Letcher | 7 | 6 | 3 | 6 | | | | | | | | | | |
| | R Lewis | 4 | 4 | 6 | 6 | 6 | | R Lewis | 6 | 2 | 6 | 2 | | | | | | | | | | |
| 3 | T Roche | 6 | 6 | 3 | 3 | 3 | | | | | | | | | | | | | | | | |

### Section 4

| First round | First round | First round | First round | First round | First round | First round | Second round | Second 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 | Quarterfinals | Quarterfinals |
| 5 | P Dent | 4 | 6 | 5 | 6 | 6 | | | | | | | | | | | | | | | | | | |
| | M Machette | 6 | 2 | 7 | 1 | 2 | 5 | P Dent | 6 | 1 | 4 | | | | | | | | | | | | | |
| | S Docherty | 3 | 4 | 4 | | | | R Drysdale | 7 | 6 | 6 | | | | | | | | | | | | | |
| | R Drysdale | 6 | 6 | 6 | | | | | | | | | | | R Drysdale | 6 | 7 | 7 | | | | | | |
| | E Friedler | 6 | 7 | 6 | 6 | 4 | | | | | | | | | K Meiler | 3 | 6 | 6 | | | | | | |
| Q | P Feigl | 7 | 6 | 7 | 3 | 6 | Q | P Feigl | 6 | 7 | 2 | 1 | r. | | | | | | | | | | | |
| | T Gorman | 7 | 2 | 1 | 3 | | | K Meiler | 7 | 6 | 6 | 2 | | | | | | | | | | | | |
| | K Meiler | 6 | 6 | 6 | 6 | | | | | | | | | | | | | | | R Drysdale | 4 | 4 | 6 | 6 |
| LL | G Moretton | 7 | 6 | 3 | 4 | 5 | | | | | | | | | | | | | Q | B Giltinan | 6 | 6 | 3 | 7 |
| | J Norbäck | 6 | 1 | 6 | 6 | 7 | | J Norbäck | 6 | 3 | 4 | | | | | | | | | | | | | |
| Q | B Giltinan | 6 | 6 | 6 | | | Q | B Giltinan | 7 | 6 | 6 | | | | | | | | | | | | | |
| | G Hardie | 3 | 2 | 4 | | | | | | | | | | Q | B Giltinan | 6 | 6 | 7 | | | | | | |
| | G Masters | 6 | 6 | 6 | | | | | | | | | | | C Lewis | 3 | 3 | 6 | | | | | | |
| LL | C Sylvan | 4 | 4 | 3 | | | | G Masters | 0 | 3 | 3 | | | | | | | | | | | | | |
| | C Lewis | 3 | 6 | 6 | 1 | 6 | | C Lewis | 6 | 6 | 6 | | | | | | | | | | | | | |
| 2 | R Tanner | 6 | 3 | 2 | 6 | 4 | | | | | | | | | | | | | | | | | | |