Seeds

Country	Player	Rank1	Seed
CHI	Alejandro Tabilo	35	1
ESP	Jaume Munar	38	2
BEL	Zizou Bergs	39	3
ARG	Camilo Ugo Carabelli	61	4
GER	Daniel Altmaier	64	5
ARG	Sebastián Báez	65	6
SRB	Miomir Kecmanović	70	7
GER	Jan-Lennard Struff	83	8

• ¹ Rankings are as of 4 May 2026.^[3]

Other entrants

The following players received wildcards into the singles main draw:

• Nicolás Álvarez Varona
• Roberto Carballés Baena
• Bernabé Zapata Miralles

The following players received entry into the singles main draw as alternates:

• Francisco Comesaña
• Dušan Lajović
• Pedro Martínez
• Christopher O'Connell
• Juan Carlos Prado Ángelo
• Leandro Riedi

The following players received entry from the qualifying draw:

• Nicolai Budkov Kjær
• Taro Daniel
• Alejo Sánchez Quílez
• Henri Squire

Singles

• Miomir Kecmanović def. Daniel Vallejo 6–2, 3–6, 6–2.

Doubles

• Constantin Frantzen / Robin Haase def. Sander Arends / David Pel 6–4, 6–7^(5–7), [11–9].