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Sign upMatteo Berrettini vs Adolfo Daniel Vallejo — R16 — Japan Open
Completed
Japan OpenRound of 16
·500·HardCompleted
Oct 3, 2026·07:10 AM·1h 45m·Tokyo
Adolfo Daniel Vallejo defeated Matteo Berrettini 7(8)-6(6), 6-1 — Japan Open 2026 R16.
Matteo Berrettini and Adolfo Daniel Vallejo: Adolfo Daniel Vallejo leads 1–0 across 1 recorded meeting.
Paraguay's Adolfo Daniel Vallejo reached the Japan Open quarterfinals with a straight-sets win over Matteo Berrettini, whom the betting market had made a 59 percent favorite. The 22-year-old has climbed from ATP No. 143 at the start of the season to No. 56. Neither player broke in the opening set, though Berrettini earned three of its four break points. Vallejo saved all three, then took the tiebreak 8-6. Vallejo pulled away in the second set, breaking for 2-0 and again for 4-0. Berrettini won 40 percent of his first-serve points in that set, down from 72 percent in the first, and did not earn another break point. Vallejo held serve throughout the match.