# 1955 Australian Championships – Men's singles

First-seeded Ken Rosewall defeated Lew Hoad 9–7, 6–4, 6–4 in the final to win the men's singles tennis title at the 1955 Australian Championships.

## Seeds

The seeded players are listed below. Ken Rosewall is the champion; others show the round in which they were eliminated.
* Ken Rosewall (champion)
* Vic Seixas (quarterfinals)
* Rex Hartwig (semifinals)
* Tony Trabert (semifinals)
* Lew Hoad (finalist)
* Sven Davidson (third round)
* Mervyn Rose (quarterfinals)
* Lennart Bergelin (quarterfinals)
* Don Candy (second round)
* Roger Becker (third round)
* Neale Fraser (third round)
* n/a
* George Worthington (third round)
* Michael Green (third round)
* Ashley Cooper (quarterfinals)
* Gerald Moss (third round)

## Draw
### Key

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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Ken Rosewall | 6 | 6 | 6 | | | | | | | | | | | | |
| 15 | Ashley Cooper | 4 | 2 | 0 | | | | | | | | | | | | |
| 15 | Ashley Cooper | 4 | 2 | 0 | | | 1 | Ken Rosewall | 8 | 6 | 6 | | | | | |
| | | | | | | | 4 | Tony Trabert | 6 | 3 | 3 | | | | | |
| 7 | Mervyn Rose | 5 | 6 | 3 | 1 | | 4 | Tony Trabert | 6 | 3 | 3 | | | | | |
| 4 | Tony Trabert | 7 | 4 | 6 | 6 | | | | | | | | | | | |
| 4 | Tony Trabert | 7 | 4 | 6 | 6 | | | | | | | 1 | Ken Rosewall | 9 | 6 | 6 |
| | | | | | | | | | | | | 5 | Lew Hoad | 7 | 4 | 4 |
| 3 | Rex Hartwig | 4 | 6 | 4 | 6 | 6 | | | | | | | | | | | 5 | Lew Hoad | 7 | 4 | 4 |
| 8 | Lennart Bergelin | 6 | 2 | 6 | 4 | 3 | | | | | | | | | | |
| 8 | Lennart Bergelin | 6 | 2 | 6 | 4 | 3 | 3 | Rex Hartwig | 1 | 4 | 4 | | | | | |
| | | | | | | | 5 | Lew Hoad | 6 | 6 | 6 | | | | | |
| 5 | Lew Hoad | 4 | 6 | 6 | 8 | | 5 | Lew Hoad | 6 | 6 | 6 | | | | | |
| 2 | Vic Seixas | 6 | 3 | 4 | 6 | | | | | | | | | | | |

### Earlier rounds
#### Section 1

| 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 |
| 1 | Rosewall | 6 | 6 | 7 | | | | | | | | | | | | |
| | Bennett | 0 | 4 | 5 | | | | | | | | | | | | |
| | | | | | | 1 | Rosewall | 6 | 1 | 9 | 6 | | | | | |
| | | | | | | 10 | Becker | 0 | 6 | 7 | 2 | | | | | |
| | Flanders | 1 | 2 | 7 | | | | | | | | | | | | |
| 10 | Becker | 6 | 6 | 9 | | | | | | | | | | | | |
| | | | | | | | | | | | | 1 | Rosewall | 6 | 6 | 6 |
| | | | | | | | | | | | | 15 | Cooper | 4 | 2 | 0 |
| 15 | Cooper | 8 | 6 | 6 | | | | | | | | | | | | |
| | Wilderspin | 6 | 1 | 1 | | | | | | | | | | | | |
| | | | | | | 15 | Cooper | 8 | 6 | 6 | | | | | | |
| | | | | | | 6 | Davidson | 6 | 3 | 2 | | | | | | |
| | Potter | 3 | 1 | 6 | 3 | | | | | | | | | | | |
| 6 | Davidson | 6 | 6 | 4 | 6 | | | | | | | | | | | |

#### Section 2

| 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 | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 7 | Rose | 6 | 6 | 6 | | | | | | | | | | | | | | | |
| Mason | 6 | 6 | | | Mason | 1 | 0 | 1 | | | | | | | | | | | | | | | |
| Rowe | 0 | 1 | | | | | | | | | 7 | Rose | 7 | 6 | 6 | | | | | | | | |
| | | | | | | | | | | | 16 | Moss | 5 | 2 | 1 | | | | | | | | |
| | | | | | Emerson | 6 | 6 | 6 | 3 | 2 | | | | | | | | | | | | | |
| | | | | 16 | Moss | 8 | 3 | 2 | 6 | 6 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | | 7 | Rose | 5 | 6 | 3 | 1 |
| | | | | | | | | | | | | | | | | | | 4 | Trabert | 7 | 4 | 6 | 6 |
| | | | | 11 | Fraser | 6 | 6 | 3 | 7 | | | | | | | | | | | | | | |
| | | | | | Bowman | 4 | 4 | 6 | 5 | | | | | | | | | | | | | | |
| | | | | | | | | | | | 11 | Fraser | 6 | 6 | 1 | 4 | 4 | | | | | | |
| Goodger | 6 | 6 | 6 | | | | | | | | 4 | Trabert | 1 | 3 | 6 | 6 | 6 | | | | | | |
| Reid | 4 | 0 | 2 | | Goodger | 1 | 2 | 1 | | | | | | | | | | | | | | | |
| | | | | 4 | Trabert | 6 | 6 | 6 | | | | | | | | | | | | | | | |

#### Section 3

| 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 | Quarterfinals |
| | | | | 3 | Hartwig | 6 | 6 | 6 | | | | | | | | | | | | | | |
| Kenny | 6 | 6 | 6 | | Kenny | 1 | 2 | 3 | | | | | | | | | | | | | | |
| Sumner | 1 | 2 | 3 | | | | | | | 3 | Hartwig | 6 | 9 | 6 | 6 | | | | | | | |
| | | | | | | | | | | 14 | Green | 1 | 11 | 0 | 2 | | | | | | | |
| | | | | | Barrett | 3 | 6 | 5 | 2 | | | | | | | | | | | | | |
| | | | | 14 | Green | 6 | 4 | 7 | 6 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | 3 | Hartwig | 4 | 6 | 4 | 6 | 6 |
| | | | | | | | | | | | | | | | | 8 | Bergelin | 6 | 2 | 6 | 4 | 3 |
| | | | | 13 | Worthington | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | | | | | Hann | 4 | 4 | 3 | | | | | | | | | | | | | | |
| | | | | | | | | | | 13 | Worthington | 2 | 4 | 6 | 2 | | | | | | | |
| | | | | | | | | | | 8 | Bergelin | 6 | 6 | 4 | 6 | | | | | | | |
| | | | | | Gilmour | 2 | 1 | 1 | | | | | | | | | | | | | | |
| | | | | 8 | Bergelin | 6 | 6 | 6 | | | | | | | | | | | | | | |

#### Section 4

| 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 | Quarterfinals |
| | | | | 5 | Hoad | 6 | 6 | 6 | | | | | | | | | | | | |
| O'Brien | 9 | 6 | 6 | | O'Brien | 3 | 3 | 4 | | | | | | | | | | | | |
| Johnson | 7 | 4 | 3 | | | | | | | 5 | Hoad | 6 | 6 | 6 | | | | | | |
| | | | | | | | | | | | Woodcock | 1 | 2 | 3 | | | | | | |
| | | | | | Blacklock | 2 | 0 | 1 | | | | | | | | | | | | |
| | | | | | Woodcock | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 5 | Hoad | 4 | 6 | 6 | 8 |
| | | | | | | | | | | | | | | | 2 | Seixas | 6 | 3 | 4 | 6 |
| | | | | 9 | Candy | 10 | 4 | 3 | 4 | | | | | | | | | | | |
| | | | | | Anderson | 8 | 6 | 6 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | Anderson | 2 | 0 | 2 | | | | | | |
| Ryan | 6 | 6 | 6 | | | | | | | 2 | Seixas | 6 | 6 | 6 | | | | | | |
| Mehaffey | 3 | 1 | 0 | | Ryan | 2 | 2 | 0 | | | | | | | | | | | | |
| | | | | 2 | Seixas | 6 | 6 | 6 | | | | | | | | | | | | |