Abdullah Shelbayh won 28 of 37 points behind his first serve to defeat Tristan Boyer 7–6(2), 6–1 in the Tiburon Challenger second round on September 16, 2026.
First-serve frequency and point conversion separated the players. Boyer landed 35 of 50 first serves; Shelbayh landed 37 of 63. They then won 18/35 and 28/37 of those points respectively.

Shelbayh converted four of six break points. Boyer converted two of five but lost four of his nine service games, while Shelbayh held eight of 10.
Shelbayh won the opening tiebreak 7–2 and then conceded just one game in the second set.


