event with ... rounds/innings/legs
Attaches to a number to indicate the total number of rounds, innings, or legs in a competition. Common in sports and game contexts.
この試合は5回戦まで行われる。
This match will be played over five rounds.
3回戦制のトーナメントに参加した。
I participated in a three-round tournament.
nth-round match
Attaches to a number to specify a particular round in a knockout tournament. Often used with ordinals like 第1回戦.
第2回戦で強豪チームと当たった。
We faced a strong team in the second-round match.
彼は1回戦で敗退した。
He was eliminated in the first round.
He was eliminated in the third round.
Our team advanced to the second round.
The first round will be held tomorrow.
This tournament is held with a five-round format.