World version W5 (W5 professional kickboxing) is a sports promotion of Russian origin with headquarters in Bratislava, Slovakia, and Moscow, Russia. They also have representatives in Prague (Czech Republic), Almere (Netherlands), Serbia and Croatia. W5 holds professional kickboxing events across Russia and Europe with future events planned for North and South America.
W5 was established in 2007, when Sergey Chepinoga organized the very first event in Budva, Montenegro at a football stadium. The event was an immediate success and thus began W5 in the world of kickboxing. To date W5 has promoted more than 40 kickboxing events in locations like Prague (the Czech Republic), Vienna (Austria), Bratislava, Prievidza, Zvolen (Slovakia), Zagreb and Dubrovnik (Croatia), Ingolstadt (Germany), Budva (Montenegro), Minsk (Belarus), Moscow, Ryazan, Oryol, Kalyazin and many other Russian cities.