Connor Syme shot a 6-under 6 to help Scotland take a one-stroke lead over Australia after the first round of the World Amateur Team Championship.
Walker Cup player Grant Forrest added a 68 at Iberostar Playa Paraiso to give Scotland a 10-under 134 total, with only the best two scores counting for the three-man teams. Robert MacIntyre had a 69.
The 20-year-old Syme topped the individual standings along with Poland's Adrian Meronk. A rangekeeper at Drumoig Golf Centre in St. Andrews, Syme won the 2016 Australian Amateur.
Cameron Davis led Australia with a 67, Harrison Endycott had a 68, and U.S. Amateur champion Curtis Luck shot 69, also opening at Iberostar Playa Paraiso in the rotation with Mayakoba El Camaleon.
Spain was third 8 under at Iberostar Playa Paraiso. Mario Galiano shot 67, Manuel Elvira 69, and Ivan Cantero 71.
The two-time defending champion United States was tied for seventh at 5 under. Oklahoma's Brad Dalke opened with a 67 at Mayakoba El Camaleon, Stanford's Maverick McNealy had a 70, and Texas' Scottie Scheffler a 73.