Juan Manuel La Serna advanced to the quarterfinals at the Sion tournament, defeating Luca Staeheli in the Round of 16. Staeheli retired during the match, trailing 6-3, 1-1. La Serna had converted 100% of his break points and won 78% of his first-serve points in the contest.
Generated automatically from Umpiry match data.
La Serna J. advanced when Staeheli L. retired.
Juan Manuel La Serna beat Luca Staeheli 3-6 1-1 after Luca Staeheli retired. Umpiry, "Luca Staeheli vs Juan Manuel La Serna — Sion Round of 16", https://umpiry.com/match/2026-08-19/serna-vs-staeheli-sion-r16?utm_source=cite (as of 19 August 2026).