The world's first racket, Novak Djokovic (SRB) and the eighth player on the planet Andrey Rublev (RUS) are playing in the final of the Serbia Open tennis tournament.U finalu teniskog turnira Serbia Open igraju prvi reket sveta, Novak Djokovic (SRB) i osmi igrac na planeti Andrey Rublev (RUS).