Jack Cummings (tennis)
 |
|
| Full name | Regnar Olaf Cummings |
|---|---|
| Country (sports) |
 Australia
|
| Born | 1901 Wellington, New South Wales |
| Died | 22 January 1972 (aged 70 or 71) Sydney, New South Wales |
| Singles | |
| Grand Slam Singles results | |
| Australian Open | F (1928) |
| Wimbledon | 2R (1932) |
| US Open | 2R (1928) |
| Doubles | |
| Grand Slam Doubles results | |
| Australian Open | SF (1929, 1930, 1933) |
| Mixed doubles | |
| Grand Slam Mixed Doubles results | |
| Australian Open | QF (1935) |
Regnar Olaf "Jack" Cummings or Ronald Cummings (1901 – 22 January 1972) was an Australian tennis player.
Cummings finished runner-up to Jean Borotra at the Australian Championships, the future Australian Open, in 1928. He also reached the semifinals in 1931 and the quarterfinals in 1930. Cummings won the Queensland Championships in 1926 and 1930.
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