
Maris Verpakovskis scored the two goals for Latvia and Theofanis Gekas scored four goals for Greece, the fifth by Georgios Samaras.
On October 14, Latvia will play the final qualification game against Moldova in Riga.
The team at the top of the group will automatically qualify for the 2010 World Cup. However, the second place teams will play an additional qualification game.
As the roster currently stands, Switzerland is first with 10 points, Greece is second with 17 points, Luxembourg fifth and Moldova last.