1920 Australasian Championships – Singles
| Singles | |
|---|---|
| 1920 Australasian Championships | |
| Champion | Pat O'Hara Wood | 
| Runner-up | Ronald Thomas | 
| Score | 6–3, 4–6, 6–8, 6–1, 6–3 | 
| Draw | 26 | 
Pat O'Hara Wood defeated Ronald Thomas 6–3, 4–6, 6–8, 6–1, 6–3 in the final to win the men's singles tennis title at the 1920 Australasian Championships.