Week 1 features a match on Sunday Feb 20th, where Ulsan will host Sangju Sangmu in a clash of the K-League 1. The game day is forecasted to be a cloudy and cold day, and temperatures reaching a maximum of only -1 degrees, which will make playing unpleasant. Ulsan has not played yet this season, and neither has Sangju Sangmu.
Ulsan is starting their season after ending last season at 2nd place, while Sangju Sangmu is playing their first match this season after being promoted last season.