The 2026 Open de Oeiras II was a professional tennis tournament played on clay courts. It was the 15th edition of the tournament which was part of the 2026 ATP Challenger Tour. It took place in Oeiras, Portugal between 11 and 16 May 2026.
Singles main-draw entrants Seeds Country Player Rank1 SeedCristian Garín1041Emilio Nava1082Jaime Faria1193Henrique Rocha1204Vilius Gaubas1215Hugo Dellien1336Tomás Barrios Vera1347Jack Pinnington Jones1378 1 Rankings are as of 4 May 2026.
Other entrants The following players received wildcards into the singles main draw: Gastão Elias Frederico Ferreira Silva Tiago Pereira
The following players received entry into the singles main draw through the Next Gen Accelerator programme: Darwin Blanch Petr Brunclík
The following players received entry into the singles main draw as alternates: Lautaro Midón Genaro Alberto Olivieri Colton Smith
The following players received entry from the qualifying draw: Laslo Djere Benjamin Hassan David Jordà Sanchis Tiago Torres Eero Vasa Zhang Zhizhen
Champions Singles
Laslo Djere def. Emilio Nava 6–3, 6–4.
Doubles
Siddhant Banthia / Alexander Donski def. Tiago Pereira / David Vega Hernández 6–3, 6–2.
References