"We're under no illusions that they will be out for revenge," said Riga captain Tom Young. "You don't win the number of matches that they have by being mugs. With our injury situation, we're up against it but to win would do us no end of good."
Riga bowed 3-0 to second-placed Newcastle in their last National League Division One fixture.
In the West Midlands League Riga lost 3-1 to Birmingham their first defeat since the first match of the season.
