THREE of the Vodacom Tour’s top professionals will take part in this week’s Russian Open on the European Challenge Tour schedule. South Africans Hennie Otto and Steve van Vuuren, and Zimbabwean Marc Cayeux will tee it up in Thursday’s first round of this popular 72-hole event, to be played at the scenic Moscow Country Club. Otto’s current form on the Vodacom Tour suggests that he will lead the Southern African challenge in the hunt for the first prize of 15000 (R147000).