1973 Australian Open – Men's singles
| Men's singles | |
|---|---|
| 1973 Australian Open | |
| Champion |  John Newcombe |
| Runner-up |  Onny Parun |
| Score | 6–3, 6–7, 7–5, 6–1 |
Ken Rosewall was the two time defending champion, but was upset in the second round by unseeded Karl Meiler.
John Newcombe defeated Onny Parun 6–3, 6–7, 7–5, 6–1 in the final to win the Men's Singles tennis title at the 1973 Australian Open.
The format was the first round was best of 3 sets and the rest of the tournament was best of 5 sets.
Seeds
The seeded players are listed below. John Newcombe is the champion; others show the round in which they were eliminated.
|
|
Draw
Key
- Q = Qualifier
- WC = Wild Card
- L = Loser
- r. = retired
Final Eight
| Quarterfinals | Semifinals | Final | ||||||||||||||||||||||||
 Karl Meiler
| 7 | 6 | 6 | 7 | ||||||||||||||||||||||
 Wanaro N'Godrella
| 6 | 7 | 3 | 6 | ||||||||||||||||||||||
| Karl Meiler
| 6 | 3 | 5 | |||||||||||||||||||||||
| 12 | Onny Parun
| 2 | 6 | 7 | ||||||||||||||||||||||
| 4 |  Alex Metreveli
| 4 | 6 | 3 | 7 | 3 | ||||||||||||||||||||
| 12 | Onny Parun
| 6 | 3 | 6 | 6 | 6 | ||||||||||||||||||||
| 12 | Onny Parun
| 3 | 7 | 5 | 1 | |||||||||||||||||||||
| 2 | John Newcombe
| 6 | 6 | 7 | 6 | |||||||||||||||||||||
| 11 | Patrick Proisy
| 6 | 3 | 6 | 7 | |||||||||||||||||||||
| John Cooper
| 4 | 6 | 1 | 6 | ||||||||||||||||||||||
| 11 | Patrick Proisy
| 6 | 4 | 2 | ||||||||||||||||||||||
| 2 | John Newcombe
| 7 | 6 | 6 | ||||||||||||||||||||||
| 10 | Bob Carmichael
| 4 | 6 | 3 | ||||||||||||||||||||||
| 2 | John Newcombe
| 6 | 7 | 6 | ||||||||||||||||||||||
Section 1
Template:16TeamBracket-Compact-Tennis3555-Byes
Section 2
Template:16TeamBracket-Compact-Tennis3555-Byes
Section 3
Template:16TeamBracket-Compact-Tennis3555-Byes
Section 4
Template:16TeamBracket-Compact-Tennis3555-Byes