SAN FRANCISCO — The son of two-time major champion John Daly was among 32 players who won their matches Wednesday in the first round of match play at the U.S. Amateur, where five of the top 10 amateurs in the world also advanced at The Olympic Club.

John Daly II, a senior-to-be at Arkansas, had a scorecard that looked nothing like the “wild thing” reputation of his famous father. In a 1-up victory over Cooper Claycomb, Daly won the 11th hole with a birdie and the other 17 holes were halved.

Jackson Koivun of Auburn, the No. 1 player in the world amateur ranking, was all square with Ryan Vools until Koivun made par on the 16th for a 1-up lead and closed out his opponent with a two-putt birdie on the par-5 17th. It was Koivun's only birdie of the match.

Ben James, the No. 2 amateur in the

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