Career
Rønning Ovenstad made his debut for Mjøndalen in the 1–3 loss against Moss on 25 April 2010, just one week after his 16th birthday. He was part of the 2013 Tippeligaen title winning squad, playing 13 league matches. In July 2014, he was diagnosed with mononucleosis and was expected to miss the rest of the 2014 season.