# 1946 Australian Championships – Men's singles

John Bromwich defeated Dinny Pails 5–7, 6–3, 7–5, 3–6, 6–2 in the final to win the men's singles tennis title at the 1946 Australian Championships.

## Seeds

The seeded players are listed below. John Bromwich is the champion; others show the round in which they were eliminated.
* John Bromwich (champion)
* Adrian Quist (semifinals)
* Dinny Pails (finalist)
* Harry Hopman (quarterfinals)
* Jack Crawford (third round)
* Geoffrey Brown (semifinals)
* Lionel Brodie (quarterfinals)
* Jack Harper (quarterfinals)

## Draw
### Key

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

### Finals

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final | Final | Final |
| 1 | John Bromwich | 6 | 6 | 6 | | | | | | | | | | | | | |
| 8 | Jack Harper | 1 | 2 | 1 | | | | | | | | | | | | | |
| 8 | Jack Harper | 1 | 2 | 1 | | 1 | John Bromwich | 6 | 6 | 6 | | | | | | | |
| | | | | | | 6 | Geoffrey Brown | 3 | 2 | 1 | | | | | | | |
| 4 | Harry Hopman | 6 | 3 | 3 | 4 | 6 | Geoffrey Brown | 3 | 2 | 1 | | | | | | | |
| 6 | Geoffrey Brown | 4 | 6 | 6 | 6 | | | | | | | | | | | | |
| 6 | Geoffrey Brown | 4 | 6 | 6 | 6 | | | | | | 1 | John Bromwich | 5 | 6 | 7 | 3 | 6 |
| | | | | | | | | | | | 3 | Dinny Pails | 7 | 3 | 5 | 6 | 2 |
| 7 | Lionel Brodie | 2 | 2 | 0 | | | | | | | | | | | | | | 3 | Dinny Pails | 7 | 3 | 5 | 6 | 2 |
| 3 | Dinny Pails | 6 | 6 | 6 | | | | | | | | | | | | | |
| 3 | Dinny Pails | 6 | 6 | 6 | | 3 | Dinny Pails | 6 | 6 | 6 | | | | | | | |
| | | | | | | 2 | Adrian Quist | 2 | 4 | 2 | | | | | | | |
| | Max Bonner | 0 | 6 | 6 | 2 | 2 | Adrian Quist | 2 | 4 | 2 | | | | | | | |
| 2 | Adrian Quist | 6 | 8 | 3 | 6 | | | | | | | | | | | | |

### Earlier rounds
#### Section 1

| 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 |
| | | | | | | 1 | Bromwich | 6 | 6 | 6 | | | | | | | | | | | |
| Mehaffey | 0 | 9 | 6 | 3 | 6 | | Mehaffey | 1 | 3 | 3 | | | | | | | | | | | |
| Hammond | 6 | 7 | 2 | 6 | 4 | | | | | | | 1 | Bromwich | 6 | 6 | 6 | | | | | |
| | | | | | | | | | | | | | Slater | 4 | 1 | 2 | | | | | |
| | | | | | | | Slater | 6 | 6 | 6 | | | | | | | | | | | |
| | | | | | | | Warhurst | 0 | 2 | 4 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 1 | Bromwich | 6 | 6 | 6 |
| | | | | | | | | | | | | | | | | | 8 | Harper | 1 | 2 | 1 |
| | | | | | | 8 | Harper | 6 | 6 | 6 | | | | | | | | | | | |
| Rowe | 6 | 6 | 6 | | | | Rowe | 0 | 2 | 2 | | | | | | | | | | | |
| Barnett | 1 | 2 | 1 | | | | | | | | | 8 | Harper | 6 | 6 | 6 | | | | | |
| | | | | | | | | | | | | | Sidwell | 3 | 2 | 2 | | | | | |
| | | | | | | | Sidwell | 6 | 4 | 6 | 6 | | | | | | | | | | |
| | | | | | | | Molloy | 4 | 6 | 1 | 1 | | | | | | | | | | |

#### Section 2

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| 4 | Hopman | 10 | 1 | 0 | 8 | 6 | | | | | | | | | | | | |
| | Schwartz | 8 | 6 | 6 | 6 | 4 | | | | | | | | | | | | |
| | | | | | | | 4 | Hopman | 6 | 7 | 4 | 6 | | | | | | |
| | | | | | | | | Turnbull | 4 | 5 | 6 | 3 | | | | | | |
| | Turnbull | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Callaghan | 4 | 1 | 4 | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | 4 | Hopman | 6 | 3 | 3 | 4 |
| | | | | | | | | | | | | | 6 | Brown | 4 | 6 | 6 | 6 |
| 6 | Brown | 6 | 6 | 6 | | | | | | | | | | | | | | |
| | Lock | 1 | 3 | 1 | | | | | | | | | | | | | | |
| | | | | | | | 6 | Brown | 6 | 6 | 6 | | | | | | | |
| | | | | | | | | Sedgman | 2 | 1 | 4 | | | | | | | |
| | Sedgman | 6 | 8 | 6 | | | | | | | | | | | | | | |
| | Clements | 4 | 6 | 3 | | | | | | | | | | | | | | |

#### Section 3

| 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 |
| | Taylor | 0 | 3 | 2 | | | | | | | | | | |
| | Schwartz | 6 | 6 | 6 | | | | | | | | | | |
| | | | | | | Schwartz | 6 | 4 | 4 | | | | | |
| | | | | | 7 | Brodie | 8 | 6 | 6 | | | | | |
| | Candy | 0 | 3 | 2 | | | | | | | | | | |
| 7 | Brodie | 6 | 6 | 6 | | | | | | | | | | |
| | | | | | | | | | | 7 | Brodie | 2 | 2 | 0 |
| | | | | | | | | | | 3 | Pails | 6 | 6 | 6 |
| | Long | 9 | 9 | 6 | | | | | | | | | | |
| | Maidens | 7 | 7 | 2 | | | | | | | | | | |
| | | | | | | Long | 3 | 1 | 2 | | | | | |
| | | | | | 3 | Pails | 6 | 6 | 6 | | | | | |
| | Heathcote | 1 | 2 | 1 | | | | | | | | | | |
| 3 | Pails | 6 | 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 | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | | Cock | 2 | 4 | 5 | | | | | | | | | | | | |
| | | | | | | Bonner | 6 | 6 | 7 | | | | | | | | | | | | |
| | | | | | | | | | | | Bonner | 10 | 2 | 6 | 6 | | | | | | |
| | | | | | | | | | | 5 | Crawford | 8 | 6 | 1 | 1 | | | | | | |
| | | | | | | Lapthorne | 4 | 4 | 1 | | | | | | | | | | | | |
| | | | | | 5 | Crawford | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | Bonner | 0 | 6 | 6 | 2 |
| | | | | | | | | | | | | | | | | 2 | Quist | 6 | 8 | 3 | 6 |
| | | | | | | McCarthy | 6 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | Newcombe | 0 | 2 | 1 | | | | | | | | | | | | |
| | | | | | | | | | | | McCarthy | 1 | 4 | 3 | | | | | | | |
| Diggle | 5 | 7 | 6 | 6 | | | | | | 2 | Quist | 6 | 6 | 6 | | | | | | | |
| Davidson | 7 | 5 | 1 | 4 | | Diggle | 2 | 3 | 3 | | | | | | | | | | | | |
| | | | | | 2 | Quist | 6 | 6 | 6 | | | | | | | | | | | | |