Previously, the Latvian team won against Poland and France.
Haralds Egle and Roberts Bukarts scored in regulation time.
In the group round, Latvia will play against Germany (May 15), Sweden (May 18), Slovakia (May 19) and USA (May 21). The four strongest teams in the group will advance to the quarter-finals. The medal winners will be announced in Prague on May 26.
All World Championship matches can be seen live on LSM.lv.