The CAS Summer Tennis Shield was first awarded in 1992 and won by Waverley College. The season is played over 10 weekends ( five in term 4 and five in term 1 ). The team with the most points at the end of the 10 rounds is the winner.

First team champions –

St. Aloysius

2008, 2009, 2010, 2011

Barker College

2002, 2004

Cranbrook School

Knox Grammar School

1993, 1994, 1995, 1996, 1997, 1998, 1999, 2005, 2006, 2007, 2012, 2013, 2014, 2016, 2018

Trinity Grammar School

2000, 2001, 2015, 2017

Waverley College

1992, 2003