Kammala jumla mai zuwa: A Gasar Cin Kofin Duniya ta ICF Canoe Sprint, Opalev ya lashe lambobin yabo 20 tsakanin 1997 da 2007. Wannan ya hada da zinare goma sha ɗaya (C-1 200 m: 1999, 2002, 2003; C-1 500 m: 1998, 1999,
2001, 2002, 2006; C-1 1000 m: 1999, C-4 200 m: 2002, 2005), azurfa shida (C-1 200 m: 2001, 2005, 2007; C-1 500 m: 2003, C-1 1000 m: 2002, C-4 1000 m: 1997), da tagulla uku (C-1 500 m: 2005, C-1 1000 m: 2003, C-4 200 m: 2001). Opalev ya kuma lashe lambobin yabo biyu a gasar zakarun duniya ta 2003 a Gainesville, Georgia, Amurka tare da zinare a cikin C-4 200 m da C-4 500 m, amma an cire su daga waɗannan lambobin yabo lokacin da abokin aikinsa Sergey Ulegin ya kasa gwajin doping.