# 1905 Australasian Championships – Singles

Rodney Heath defeated Albert Curtis, 4–6, 6–3, 6–4, 6–4, in the final to win the men's singles tennis title at the 1905 Australasian Championships. The event was played on Grass courts in Melbourne, Australia at Warehouseman's Cricket Ground. It was the inaugural edition of the tournament and took place in November 1905.

## 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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| Rodney Heath | 6 | 6 | 6 | | | | | | | | | | | |
| Herbert Turner | 2 | 1 | 2 | | | | | | | | | | | |
| Herbert Turner | 2 | 1 | 2 | | Rodney Heath | 6 | 9 | 6 | 6 | | | | | |
| | | | | | Randolph Lycett | 3 | 11 | 3 | 1 | | | | | |
| Randolph Lycett | | | | | Randolph Lycett | 3 | 11 | 3 | 1 | | | | | |
| Gordon Wright | w/o | | | | | | | | | | | | | |
| Gordon Wright | w/o | | | | | | | | | Rodney Heath | 4 | 6 | 6 | 6 |
| | | | | | | | | | | Albert Curtis | 6 | 3 | 4 | 4 |
| Albert Curtis | 3 | 7 | 6 | 6 | | | | | | | | | | | Albert Curtis | 6 | 3 | 4 | 4 |
| Eric Pockley | 6 | 5 | 3 | 4 | | | | | | | | | | |
| Eric Pockley | 6 | 5 | 3 | 4 | Albert Curtis | 4 | 11 | 6 | 6 | | | | | |
| | | | | | Alfred Dunlop | 6 | 9 | 3 | 4 | | | | | |
| Alfred Dunlop | 6 | 6 | 6 | | Alfred Dunlop | 6 | 9 | 3 | 4 | | | | | |
| Reginald Fraser | 4 | 3 | 2 | | | | | | | | | | | |

### Top half

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| R Heath | 6 | 6 | 6 | | | | | | | | | | | | | | | |
| T Fitchett | 4 | 1 | 0 | R Heath | 4 | 6 | 6 | 6 | | | | | | | | | | |
| | | | | H Rice | 6 | 2 | 4 | 0 | | | | | | | | | | |
| | | | | | | | | | | R Heath | 6 | 6 | 6 | | | | | |
| | | | | | | | | | | H Turner | 2 | 1 | 2 | | | | | |
| | | | | H Turner | 6 | 6 | 6 | 3 | 6 | | | | | | | | | |
| | | | | Cecil Heath | 3 | 8 | 4 | 6 | 4 | | | | | | | | | |
| | | | | | | | | | | | | | | R Heath | 6 | 9 | 6 | 6 |
| | | | | | | | | | | | | | | R Lycett | 3 | 11 | 3 | 1 |
| | | | | R Lycett | 6 | 6 | 6 | | | | | | | | | | | |
| | | | | H Hastings | 2 | 2 | 2 | | | | | | | | | | | |
| | | | | | | | | | | R Lycett | | | | | | | | |
| | | | | | | | | | | G Wright | w/o | | | | | | | |
| | | | | G Wright | 4 | 6 | 7 | 6 | | | | | | | | | | |
| | | | | D Harbison | 6 | 3 | 5 | 2 | | | | | | | | | | |

### Bottom half

| Second round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| A Curtis | 6 | 6 | 8 | | | | | | | | | | | | |
| Andrew Laurie | 3 | 0 | 6 | | | | | | | | | | | | |
| | | | | | | A Curtis | 3 | 7 | 6 | 6 | | | | | |
| | | | | | | E Pockley | 6 | 5 | 3 | 4 | | | | | |
| E Pockley | 6 | 4 | 6 | 4 | 6 | | | | | | | | | | |
| E Robertson | 3 | 6 | 3 | 6 | 1 | | | | | | | | | | |
| | | | | | | | | | | | A Curtis | 4 | 11 | 6 | 6 |
| | | | | | | | | | | | A Dunlop | 6 | 9 | 3 | 4 |
| A Dunlop | 6 | 6 | 6 | | | | | | | | | | | | |
| George Howitt | 4 | 3 | 2 | | | | | | | | | | | | |
| | | | | | | A Dunlop | 6 | 6 | 6 | | | | | | |
| | | | | | | R Fraser | 4 | 3 | 2 | | | | | | |
| Percy Rowe | 2 | 2 | 1 | | | | | | | | | | | | |
| R Fraser | 6 | 6 | 6 | | | | | | | | | | | | |