Peppermint Grove caused a boil over at home with a close 3-3 rubbers, 7-7 sets, 57-52 games win against higher-ranked Mosman Park.
Peppermint Grove raised the stakes as Frank Moser (world doubles ranking number 47) and Stefan Skadarka (world number 1280) made their debuts to secure easy singles wins.
Mosman Park fought back winning the other two singles and won the first of the doubles to lead 3-2 but Peppermint Groves’ Troy Hargreaves and Chris Moore closed it out 6-7 6-3 10-8 against Peter Schoolkate and Sam Alexander in a heart-stopper.
Dalkeith needed to win against league leaders Kings Park but went down 1-5.
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Kings Park showed its class with its number one Jake Robinson beating tour player Dane Propoggia (highest world ranking number 295) in a high quality match.
Dalkeith grabbed a valuable rubber when Propoggia and Dylan McCloskey beat Sam Ashendon and Jaron Stafford 6-0 6-4.