post·sea·son 
/ˈpoʊstˌsi:zn̩/ noun
plural post·sea·sons /ˈpoʊstˌsi:zn̩/ noun [count] US, sports : a period of time immediately after the regular season when teams play against each other in a series of games to determine a champion
▪ The team has never played in the postseason. — often used before another noun ▪ postseason games
▪ The team has never played in the postseason. — often used before another noun ▪ postseason games
