# 1970 Australian Open – Men's singles

Arthur Ashe defeated Dick Crealy in the final, 6–4, 9–7, 6–2 to win the men's singles tennis title at the 1970 Australian Open. It was his second major singles title.
Rod Laver was the reigning champion, but chose not to compete this year. The first round was best-of-three sets, and the rest of the tournament was best-of-five.

## Seeds

All seeds receive a bye into the second round.
* Tony Roche (quarterfinals)
* John Newcombe (quarterfinals)
* Tom Okker (quarterfinals)
* Arthur Ashe (champion)
* Stan Smith (third round)
* Dennis Ralston (semifinals)
* Nikola Pilić (third round)
* Roger Taylor (semifinals)
* Robert Lutz (third round)
* Ray Ruffels (quarterfinals)
* Allan Stone (third round)
* Dick Crealy (final)
* William Bowrey (third round)
* John Alexander (third round)
* Gerald Battrick (third round)
* Bob Carmichael (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

### Final eight

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final | Final |
| 1 | Tony Roche | 7 | 5 | 5 | | | | | | | | | | | | | | |
| 8 | Roger Taylor | 9 | 7 | 7 | | | | | | | | | | | | | | |
| 8 | Roger Taylor | 9 | 7 | 7 | | | 8 | Roger Taylor | 4 | 11 | 3 | 6 | 6 | | | | | |
| | | | | | | | 12 | Dick Crealy | 6 | 9 | 6 | 4 | 8 | | | | | |
| 3 | Tom Okker | 1 | 6 | 6 | 5 | 3 | 12 | Dick Crealy | 6 | 9 | 6 | 4 | 8 | | | | | |
| 12 | Dick Crealy | 6 | 3 | 4 | 7 | 6 | | | | | | | | | | | | |
| 12 | Dick Crealy | 6 | 3 | 4 | 7 | 6 | | | | | | | | 12 | Dick Crealy | 4 | 7 | 2 |
| | | | | | | | | | | | | | | 4 | Arthur Ashe | 6 | 9 | 6 |
| 10 | Ray Ruffels | 8 | 3 | 4 | 2 | | | | | | | | | | | | | | 4 | Arthur Ashe | 6 | 9 | 6 |
| 4 | Arthur Ashe | 6 | 6 | 6 | 6 | | | | | | | | | | | | | |
| 4 | Arthur Ashe | 6 | 6 | 6 | 6 | | 4 | Arthur Ashe | 6 | 8 | 6 | 2 | | | | | | |
| | | | | | | | 6 | Dennis Ralston | 3 | 10 | 3 | 1 | r | | | | | |
| 6 | Dennis Ralston | 19 | 20 | 4 | 6 | | 6 | Dennis Ralston | 3 | 10 | 3 | 1 | r | | | | | |
| 2 | John Newcombe | 17 | 18 | 6 | 3 | | | | | | | | | | | | | |

### Section 1

| 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 |
| | | | 1 | T Roche | 8 | 11 | 6 | | | | | | | | | | | | | | |
| J Cooper | | | | J Cooper | 6 | 9 | 4 | | | | | | | | | | | | | | |
| R Wilson | w/o | | | | | | | | | 1 | T Roche | 6 | 6 | 6 | | | | | | | |
| J Kukal | 6 | 12 | | | | | | | | 15 | G Battrick | 2 | 2 | 4 | | | | | | | |
| A Hammond | 4 | 10 | | J Kukal | 6 | 3 | 6 | 0 | 4 | | | | | | | | | | | | |
| | | | 15 | G Battrick | 2 | 6 | 2 | 6 | 6 | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 1 | T Roche | 7 | 5 | 5 |
| | | | | | | | | | | | | | | | | | 8 | R Taylor | 9 | 7 | 7 |
| | | | 8 | R Taylor | 6 | 6 | 6 | | | | | | | | | | | | | | |
| G Pollard | 5 | 4 | | L Schloss | 4 | 3 | 4 | | | | | | | | | | | | | | |
| L Schloss | 7 | 6 | | | | | | | | 8 | R Taylor | 1 | 2 | 6 | 12 | 6 | | | | | |
| M Anderson | w/o | | | | | | | | | 9 | R Lutz | 6 | 6 | 4 | 10 | 3 | | | | | |
| M Werren | | | | M Werren | 1 | 3 | 1 | | | | | | | | | | | | | | |
| | | | 9 | R Lutz | 6 | 6 | 6 | | | | | | | | | | | | | | |

### Section 2

| 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 | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 3 | T Okker | 6 | 6 | 7 | | | | | | | | | | | | | | |
| A McDonald | 5 | 4 | | | K Stuart | 4 | 2 | 5 | | | | | | | | | | | | | | |
| K Stuart | 7 | 6 | | | | | | | 3 | T Okker | 7 | 10 | 10 | 4 | 6 | | | | | | | |
| A Shapter | 6 | 4 | | | | | | | 14 | J Alexander | 5 | 8 | 12 | 6 | 4 | | | | | | | |
| R Keldie | 8 | 6 | | | R Keldie | 3 | 1 | r | | | | | | | | | | | | | | |
| | | | | 14 | J Alexander | 6 | 2 | | | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | 3 | T Okker | 1 | 6 | 6 | 5 | 3 |
| | | | | | | | | | | | | | | | | 12 | D Crealy | 6 | 3 | 4 | 7 | 6 |
| | | | | 12 | D Crealy | 6 | 10 | 12 | | | | | | | | | | | | | | |
| A Gardiner | | | | | A Gardiner | 4 | 8 | 10 | | | | | | | | | | | | | | |
| R Russell | w/o | | | | | | | | 12 | D Crealy | 6 | 6 | 14 | | | | | | | | | |
| P Doerner | 7 | 6 | 4 | | | | | | 5 | S Smith | 4 | 4 | 12 | | | | | | | | | |
| J Brown | 9 | 0 | 6 | | J Brown | 1 | 6 | 4 | | | | | | | | | | | | | | |
| | | | | 5 | S Smith | 6 | 8 | 6 | | | | | | | | | | | | | | |

### Section 3

| 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 | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 7 | N Pilić | 6 | 13 | 9 | 3 | 6 | | | | | | | | | | | | |
| T Gorman | 6 | 6 | | | T Gorman | 3 | 11 | 11 | 6 | 1 | | | | | | | | | | | | |
| S Ball | 1 | 1 | | | | | | | | | 7 | N Pilić | 5 | 4 | 7 | 5 | | | | | | |
| B Phillips-Moore | 6 | 8 | 6 | | | | | | | | 10 | R Ruffels | 7 | 6 | 5 | 7 | | | | | | |
| C Dibley | 3 | 10 | 4 | | B Phillips-Moore | 6 | 4 | 6 | 5 | | | | | | | | | | | | | |
| | | | | 10 | R Ruffels | 8 | 6 | 1 | 7 | | | | | | | | | | | | | |
| | | | | | | | | | | | | | | | | | 10 | R Ruffels | 8 | 3 | 4 | 2 |
| | | | | | | | | | | | | | | | | | 4 | A Ashe | 6 | 6 | 6 | 6 |
| | | | | 13 | W Bowrey | 6 | 1 | 6 | 4 | 7 | | | | | | | | | | | | |
| F Sedgman | 6 | 3 | 6 | | F Sedgman | 2 | 6 | 3 | 6 | 5 | | | | | | | | | | | | |
| B Paul | 4 | 6 | 3 | | | | | | | | 13 | W Bowrey | 3 | 7 | 4 | | | | | | | |
| G Masters | 6 | 7 | | | | | | | | | 4 | A Ashe | 6 | 9 | 6 | | | | | | | |
| K Coombes | 4 | 5 | | | G Masters | 15 | 2 | 3 | | | | | | | | | | | | | | |
| | | | | 4 | A Ashe | 17 | 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 |
| | | | | 6 | D Ralston | 6 | 6 | 4 | 6 | | | | | | | | | | | |
| J Bartlett | 19 | 3 | 2 | | V Zedník | 3 | 3 | 6 | 4 | | | | | | | | | | | |
| V Zedník | 17 | 6 | 6 | | | | | | | 6 | D Ralston | 6 | 6 | 6 | | | | | | |
| J McManus | 6 | 7 | 3 | | | | | | | 11 | A Stone | 2 | 3 | 2 | | | | | | |
| B Giltinan | 4 | 9 | 6 | | B Giltinan | 5 | 3 | 6 | 1 | | | | | | | | | | | |
| | | | | 11 | A Stone | 7 | 6 | 3 | 6 | | | | | | | | | | | |
| | | | | | | | | | | | | | | | 6 | D Ralston | 19 | 20 | 4 | 6 |
| | | | | | | | | | | | | | | | 2 | J Newcombe | 17 | 18 | 6 | 3 |
| | | | | 16 | B Carmichael | 1 | r | | | | | | | | | | | | | |
| P Dent | 6 | 6 | | | P Dent | 2 | | | | | | | | | | | | | | |
| R Brent | 4 | 3 | | | | | | | | | P Dent | 2 | 3 | 3 | | | | | | |
| I Bidmeade | w/o | | | | | | | | | 2 | J Newcombe | 6 | 6 | 6 | | | | | | |
| E Neely | | | | | E Neely | 1 | 5 | 1 | | | | | | | | | | | | |
| | | | | 2 | J Newcombe | 6 | 7 | 6 | | | | | | | | | | | | |