William Moll, William Mouw and Ricky Castillo were tied at 4-under after 36 holes at the U.S. Junior Amateur Inverness Club in Toledo, Ohio, and all three earned medalist honors.
The subplot to the end of the stroke-play portion of the tournament was the 8-way playoff for the final seven spots to advance to match play.
Kevin Sze, Thomas Ponder, Brett Sodetz, Matthew Garside, Tafafumi Shimoji, Yuki Moriyama, Gaven Lane and Andi Xu all finished 7-over and T-50 but there was only room for seven of those golfers.
However, there was not enough time in the day on Tuesday, so the playoff will go off first thing on Wednesday at 7 a.m on No. 10.
The tournament will then flip to match play Wednesday, with the round of 64 starting at 7:40 a.m., through the 36-hole final on Saturday.
MORE: U.S. Junior Amateur scores | Photo gallery
Mouw co-led after the first round with Karl Vilips. Vilips shot a second-round 73 and is T-10 at even par.
Defending champion Michael Thorbjornsen shot a 68 on Tuesday to climb into a tie for fourth along with Luke Potter.
The low round of the day, 68, was shot by four players: Moll, Castillo, Potter and Thorbjornsen. There were 15 rounds under par, compared to eight in the first round.
“It’s pretty special knowing that you have come out on top of 156 players, with two really good friends,” said Castillo in a statement released by the USGA.
“It’s cool, but it’s not the win,” said Mouw of sharing medalist honors. “I’m not too pumped. The job’s not finished.”
