List of Grand Slam singles champions in Open Era with age of first title

Columns: Age | Name | Tournament | Date of birth | Date of first title | Notes
33 years , 220 days | Ken Rosewall * | 1968 French Open | 2 November 1934 | 9 June 1968 | 1st of 4 | 29 years , 332 days | Rod Laver * | 1968 Wimbledon | 9 August 1938 | 6 July 1968 | 1st of 5 | 25 years , 60 days | Arthur Ashe | 1968 US Open | 10 July 1943 | 8 September 1968 | 1st of 3 | 24 years , 98 days | Jan Kodeš | 1970 French Open | 1 March 1946 | 7 June 1970 | 1st of 3 | 26 years , 42 days | John Newcombe * | 1970 Wimbledon | 23 May 1944 | 4 July 1970 | 1st of 5 | 24 years , 241 days | Stan Smith | 1971 US Open | 14 December 1946 | 12 August 1971 | 1st of 2 | 34 years , 306 days | Andrés Gimeno | 1972 French Open | 3 August 1937 | 4 June 1972

Example questions:
How many tennis Majors did the second oldest Grand Slam champion win ? | What is the date of first title for the Grand Slam champion who beat Željko Franulović in 1970 ? | What country is the Grand Slam Champion born on 9 August 1938 from ? | What is the name of the tennis stadium that held the 1972 Men 's French Open ?

Answers:
23 | 7 June 1970 | Australia | Kooyong Stadium