They beat Sefton (Liverpool) last season and on Saturday moved into a 2 - 1 lead after taking the third set 15 - 5.
But Riga eased off and allowed Sefton back into the match and they scored a 3 - 2 win.
On Sunday Riga travelled to Deeside. who had beaten them 3.0 last season. and reversed the scoreline with an impressive win. Riga's 3 - 0 victory puts them in second place with six wins from eight matches.
Said club spokesman Tom Ojasoo: "Sefton are in front of us and if we had beaten them it would have given us a great chance to go .top".
"But we are pleased with the win over Deeside and we still have a good opportunity to close the gap - and win the league." he added.
Riga's next match is at the Etone Centre on Sunday, December 14 when they take on the RAF.
