KRS I, the Birmingham League men's Division One champions, were on the receiving end of a 6-3 defeat to Birmingham University students in their first match of the season.
Combinations of Lewis Halsey with John Forde, Richard Wrigley with Ben Witham and Steve Kirkby with Simon Pearce won two games each against the Handsworth side.
However, the mixed side enjoyed an emphatic 7-2 win over Divison Two champions Solihull & Shirley I, with Chris Tonks and Stephannie Lally remaining undefeated.
Broadway I, the reigning mixed Division One champions, continued their impressive start after handing their second side a second consecutive 9-0 thrashing. Chris Teale with Kirsty Tarr, Leroy Campbell with Merlene Sterling and Rupert Sterling with Alison Franks took the honours.
SGN ladies enjoyed a 5-1 win over Solihull & Shirley I with Sally Bangay and Linda Arrowsmith in top form for the Barnt Green side.
Despite an unbeaten display by Holy Trinity's Mark Hatton and Lesley Broadway, the Walsall club lost out 5-4 to Solihull & Shirley II with Nigel Field and Judy Warrington and Paul Harris and Sue Pitrolino winning two games each.
Warwickshire's second and fourth Inter- County sides recorded excellent away victories.
The seconds beat Norfolk 9-6 while the fourths enjoyed a 14-1 demolition over Worcestershire IV.
Birmingham University's Lewis Halsey continues his rich vein of form after securing two victories in the second team.
He beat Alex Wyatt 15-13, 15-7 in his singles and won the mixed doubles with Mary Le Druillanec 4-15, 15-8, 15-12.
Sarah Stevenson contributed a singles win over Sharon Crane 11-7, 11-8 and two ladies' doubles wins with Sara Mason.
The fourths had Alistair Smith, Catriona Hamilton, Jenny Hoare and Helen Richmond win three games each while Farrah Moloobhai stole the show with four victories.