Zirnis akaita mutambo wake wekutanga wechikwata chenyika yenhabvu yeLatvia musi wa19 Nyamavhuvhu 1997 mumutambo wa0<unk>0 neAzerbaijan. MunaNovember 2003 aive chikamu chechikwata cheLatvia chakakunda Turkey pamakumbo maviri kuti ikwanise kuenda kumakwikwi eUEFA Euro 2004, kekutanga kukwanisa kuenda kumakwikwi makuru epasi rose. uye akatamba kumagumo
muna 2004. Zirnis akadzingwa mumutambo wekupedzisira weBaltic Cup neLithuania muKaunas musi wa22 Chivabvu 2005. Musi wa17 Mbudzi 2007 akahwina chibodzwa chake kuti ape Liechtenstein kutungamira mumutambo weEFAFA Euro 2008 wekukodzera Boka F uyo Latvia yakazopedzisira yakahwina 4<unk>1. Zirnis akatamba 68 mitambo yenyika yeLatvia.