Prevc made his World Cup debut in the &lt;a href="2009%E2%80%9310%20FIS%20Ski%20Jumping%20World%20Cup"&gt;2009/10 season&lt;/a&gt;, finishing 22nd in Lillehammer, Norway, on 5 December 2009. In January 2010, at the Junior World Championships, Prevc finished won silver at the individual and bronze at the team event. In the following month, he was a member of Slovenian team at the 2010 Winter Olympics in Vancouver, where he finished 7th in the individual normal hill and 16th in the individual large hill. Together with Robert Kranjec, Primož Pikl, and Mitja Mežnar, he finished 8th in the team large hill event. He finished the World Cup season at the 35th place in the overall standings.