2025 Upper Austria Open

Country	Player	Rank1	Seed
BEL	Raphaël Collignon	81	1
BRA	Thiago Monteiro	94	2
CRO	Marin Čilić	109	3
ITA	Fabio Fognini	112	4
CHI	Tomás Barrios Vera	128	5
JPN	Taro Daniel	131	6
SUI	Jérôme Kym	133	7
ARG	Thiago Agustín Tirante	134	8

• ¹ Rankings as of 21 April 2025.^[1]

The following players received wildcards into the singles main draw:

• Fabio Fognini
• Neil Oberleitner
• Joel Schwärzler

The following player received entry into the singles main draw as a special exempt:

• Matteo Gigante

The following player received entry into the singles main draw through the Next Gen Accelerator programme:

• Nicolai Budkov Kjær

The following player received entry into the singles main draw as an alternate:

• Benjamin Hassan

The following players received entry from the qualifying draw:

• Mika Brunold
• Dimitar Kuzmanov
• Tadeáš Paroulek
• Jakub Paul
• David Pichler
• Thiago Seyboth Wild

The following player received entry as a lucky loser:

• Nerman Fatić

• Cristian Garín def. Tomás Barrios Vera 3–6, 6–1, 6–4.

• Nico Hipfl / Jérôme Kym def. Ryan Seggerman / David Stevenson 7–5, 3–6, [10–2].