| Country (sports) |  Australia |
|---|---|
| Grand Slam singles results | |
| Australian Open | QF (1940) |
| Grand Slam doubles results | |
| Australian Open | F (1946)1 |
| Grand Slam mixed doubles results | |
| Australian Open | QF (1940)1 |
Douglas Maxwell Newcombe was an Australian amateur tennis player who competed in the 1930s and 1940s. He reached the quarterfinals of the Australian Championships in 1940 and won the junior singles in 1938.2 In 1946, he was runner-up in the men's doubles (partnering Len Schwartz).
Grand Slam finals
Doubles: 1 runner-up
| Result | Year | Championship | Surface | Partner | Opponents | Score |
|---|---|---|---|---|---|---|
| Loss | 1946 | Australian Championships | Grass | Len Schwartz |
John Bromwich Adrian Quist |
3–6, 1–6, 7–9 |