a coin toss

going second (in an offensive–defensive competition)

to go second (in an offensive–defensive competition)

beginning, start / birth / origin

to decide to do something: to do something on purpose / to perform a maneuver, to carry out a tactical action / to decide on an opinion: to believe in an opinion firmly

going first (in an offensive–defensive competition)

to go first (in an offensive–defensive competition)

(sports) match, game

coin

attack