What sport are both the 2015 City of Onkaparinga ATP Challenger and Happy Valley, South Australia known for?
2015 City of Onkaparinga ATP Challenger The 2015 City of Onkaparinga ATP Challenger was a professional tennis tournament played on hard courts. It was the first edition of the tournament which was part of the 2015 ATP Challenger Tour. It took place in Happy Valley, Australia between 3–11 January 2015.
2013 Melbourne Challenger The 2013 Melbourne Challenger was a professional tennis tournament played on outdoor hard court. It was the first edition of the tournament which was part of the 2013 ATP Challenger Tour. It took place in Melbourne, Australia between 21 and 27 October 2013.