What do you call the game that both teams are very close at winning
team A scores one point this around and team B scores one point the next. and then team A scores again.
U.S. sports announcers have a variety of cliches to describe a very close game:
It's a game of inches.
It's going down to the wire.
It's a real nail-biter.
We've got a real barn-burner.
The fans are getting their money's worth.
It's a see-saw game.
It's been nip and tuck all the way.