Marc Polmans, with Andrew Whittington, reached the semi-final of a tennis tournament where who were the defending champions?
Marc Polmans Marc Polmans (born 2 May 1997) is a South African born Australian tennis player. Polmans won the 2015 Australian Open – Boys' Doubles title with fellow Australian Jake Delaney, defeating Hubert Hurkacz and Alex Molčan in the final, 0–6, 6–2, [10–8]. He reached the semi-final of the 2017 Australian Open – Men's Doubles with Andrew Whittington.
1975 Commercial Union Assurance Masters The 1975 Commercial Union Assurance Masters was a men's tennis tournament played on indoor carpet courts at the Kungliga tennishallen in Stockholm, Sweden. The tournament was the season ending event of the 1975 Commercial Union Assurance Grand Prix circuit and was played by the eight highest ranking singles players and the four highest ranked doubles teams. It was the 6th edition of the Masters Grand Prix and was held from November 30 through December 7, 1975. Ilie Năstase won the singles title and the $40,000 first prize.