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Zachary Svajda defeated Daniel Altmaier 6-3, 6-1, 6(5)-7(7), 6-2 — US Open 2026 R128.
Zachary Svajda and Daniel Altmaier are level at 1–1 across 2 recorded meetings.
The higher-ranked man never earned a break, finishing 0 for 4 on the chances he made while a dozen double faults and 61 unforced errors piled up behind him. Svajda handed back nothing: 17 holds from 17 service games, four break points faced and all four saved, with breaks in the opening game of both the second and fourth sets. Only the ranking sheet read this as an upset, since the betting market had the 23-year-old Californian at 57 percent, and Altmaier's win in their lone meeting on record dated to 2023. Svajda had won once in his previous five and sat 3-8 on hard this season; Altmaier won no return games at all.