STUTTGART, Germany (AP) — Swiss teenager Dominic Stricker made his grass-court debut with a 7-6 (4), 7-6 (5) win over Radu Albot at the Stuttgart Open on Wednesday.
The 18-year-old Stricker, who is ranked 335th, hit 10 aces and held his nerve in both tiebreakers to set up a second-round meeting with the second-seeded Hubert Hurkacz.
Australian qualifier James Duckworth defeated seventh-seeded Adrian Mannarino 6-3, 6-2 to earn a meeting with Sam Querrey. The American defeated Turkish qualifier Altug Celikbilek 6-4, 6-1.
Jordan Thompson beat Guido Pella 6-3, 6-4 for an all-Australian clash against fourth-seeded Alex de Minaur in the second round.
Germans Peter Gojowczyk and Yannick Hanfmann also progressed.