Clay-Court Swing On The Challenger Tour Continues With CT Porto Cup

CT Porto Cup (photo: Brigitte Urban)

PORTO, August 25, 2025

Even with the start of the US Open, the ATP Challenger Tour shows no sign of slowing down. Four tournaments in the 75 category across two continents are on the schedule for the upcoming week.

The clay-court season continues in Portugal with the second edition of the CT Porto Cup. Brazil’s Thiago Seyboth Wild tops the draw as the No. 1 seed, followed by No. 2 seed Guy den Ouden from the Netherlands.

World No. 143 Seyboth Wild will take on Nikolas Sanchez Izquierdo of Spain in the first round. Den Ouden, ranked World No. 161, starts his title bid against Croatian Mili Poljicak.

A total of ten Portuguese players are competing – five in the main draw and five in qualifying. Leading the home contingent is Henrique Rocha, seeded third, who opens against Switzerland’s Mika Brunold. Also in the main draw are Frederico Silva, Tiago Pereira, Pedro Araújo, and Francisco Rocha.