Career
At the 2014 Winter Olympics he carried Serbian flag at the opening ceremony and competed in biathlon and cross-country skiing. Occasionally, he competes in cross-country skiing. At the 2013 Winter Universiade he made a remarkable success by winning first ever international medals for Serbia in biathlon and cross-country skiing.
The best finish in Individual was 87th place in 2011.
Milanko Petrović competed at the 2013 Summer World Championship. He came 5th in pursuit and 9th in Sprint.
At the 2012 European Championship, he finished 9th in sprint and 20th in Individual. At the 4th stage of World Cup in German, Oberhof, he finished 39th in 10 km Sprint and 40th in 12,5 km Pursuit.
Those were his the best world cup results which brought him first world cup points.
Petrović finished 2012/13 season on 86th place overall scoring 15 points, in sprint he came 80th with 8 points and in pursuit he was ranked 72nd with 7 points. Olympic Games
World Championships
World Cup
Petrović competes for Serbian in cross-country skiing in Balkan Cup. He brought Serbia first ever wins in Balkan Cup in 10 km and 15 km Freestyle during the 2013 stage, held in Pale, Bosnia and Herzegovina.
In 2013 he finished 8th in 10 km freestyle during the Austria Cup in Seefeld.