A "grudge match" refers to a competitive event or game between two individuals or teams who have a strong and long-lasting negative feeling towards each other. Full definition
The real life grudge match between Björn Borg (Sverrir Gudnason) and John McEnroe (Shia LaBeouf) becomes a dramatized battle of the wills (not to be confused with that other tennis movie, Battle of the Sexes) in this new tennis movie. (decider.com)
Named after a Tory poster of Tony Blair, Demon Eyes regularly played grudge matches against the Parliamentary Press Gallery, for whom Pascoe Watson was a star player. (totalpolitics.com)
Master Ip doesn't believe in grudge matches, but he will fight for national pride and honor in the inevitable East vs. West showdown. (seanax.com)