Overview
- Riedi beat Cerúndolo 3-6, 4-6, 6-4, 6-4, 6-2 after trailing by two sets.
- The Swiss entered from qualifying and is ranked No. 435 in the ATP rankings.
- Cerúndolo finished with 12 double faults and 52 unforced errors in the defeat.
- With Cerúndolo out, no Argentine men remain in the US Open singles draw.
- Riedi moves on to face the winner of Karen Khachanov vs. Kamil Majchrzak in the third round.