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Sign upFrancisco Cerundolo defeated Jan-Lennard Struff 5-7, 7-5, 4-6, 6-2, 6-3 — US Open 2026 R64.
Jan-Lennard Struff and Francisco Cerundolo: Francisco Cerundolo leads 2–0 across 2 recorded meetings.
The low point came in game 4 of the third, a break for 3-1 that would leave Cerundolo a set down for the second time, with 3 of 13 on break points through three sets to show for the trouble. Then Struff's second serve went. Ranked 44th, he won just 44% behind the second ball and served 16 double faults, and the 24th seed answered with breaks in games 1 and 3 of the fourth; by the decider Cerundolo was down to one unforced error against Struff's 10. He finished it on the return, breaking in game 9 for 6-3 after 3 hours 53 minutes, and moves into the third round at the US Open having lost his previous two hard-court matches before this one. Fritz, at No. 10, is next.