noun
fight outside the stadium; fighting outside the ring
Used in sports or combat contexts when a fight or brawl breaks out beyond the designated competition area.
試合後、両チームの選手が場外戦を始めた。
After the match, players from both teams started fighting outside the ring.
あのボクシングの試合では、場外
In that boxing match, a fight broke out outside the ring and caused a huge commotion.