The Coventry outfit started well and won the first set 15-10 before Rockets, with their England stars Lesz Zarzicki and Lee Southern levelled the scores with a similar score.
Riga. could not get into full stride and Rockets won the next two sets 15-12, 15-11.
In their second game, against Liverpool at Rugby Sports Centre, Riga never reached the level . they produced against Rockets. Liverpool won the first set 15 - 13.
Riga's best work was In the second set, which they won 15-13, but Liverpool's attack took control of the game and won the next two 15-6. 15-5.
