Mezue ahịrịokwu na-esonụ: Zirnis mere egwuregwu mbụ ya maka ndị otu bọọlụ mba Latvia na 19 August 1997 na 0 <unk> 0 draw na Azerbaijan. Na Nọvemba 2003 ọ bụ akụkụ nke ndị otu Latvian meriri Turkey n'akụkụ abụọ iji ruo eruo maka UEFA Euro 2004 finals, na nke mbụ na-eru eru maka nnukwu asọmpi mba ụwa.
nke ikpeazụ n'afọ 2004. A chụpụrụ Zirnis na Baltic Cup ikpeazụ megide Lithuania na Kaunas na 22 Mee 2005. Na 17 Nọvemba 2007 o nyere goolu nke onwe ya iji nye Liechtenstein ụzọ na egwuregwu UEFA Euro 2008 na-eru eru nke Group F nke Latvia mechara merie 4-1. Zirnis gbara egwuregwu mba ụwa 68 maka Latvia.