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.
Poznań Open The Poznań Open is a professional tennis tournament played on outdoor red clay courts. It is currently part of the Association of Tennis Professionals (ATP) Challenger Tour. It has been held annually at the Park Tenisowy Olimpia in Poznań, Poland, since 2004.