2024 Oeiras Indoors

The 2024 Oeiras Indoors was a professional tennis tournament played on hard courts. It was the 3rd edition of the tournament which was part of the 2024 ATP Challenger Tour. It took place in Oeiras, Portugal from 1 to 7 January 2024.

2024 Oeiras Indoors
Date	1 – 7 January
Edition	3rd
Surface	Hard (indoor)
Location	Oeiras, Portugal
Champions
Singles
Maks Kaśnikowski
Doubles
Jay Clarke / Marcus Willis

Singles main-draw entrants

Seeds

Country	Player	Rank1	Seed
POR	Henrique Rocha	246	1
POR	João Sousa	249	2
TUR	Cem İlkel	255	3
FRA	Maxime Janvier	258	4
BUL	Adrian Andreev	265	5
FRA	Valentin Royer	276	6
FRA	Mathias Bourgue	278	7
BEL	Michael Geerts	286	8

• ¹ Rankings are as of 25 December 2023.

Other entrants

The following players received wildcards into the singles main draw:

• João Domingues
• Jaime Faria
• Tiago Pereira

The following players received entry into the singles main draw using protected rankings:

• Nicolás Álvarez Varona
• Paul Jubb

The following players received entry from the qualifying draw:

• Jay Clarke
• Kenny de Schepper
• Egor Gerasimov
• Alastair Gray
• Noah Rubin
• Samuel Vincent Ruggeri

The following player received entry as a lucky loser:

• Vadym Ursu

Champions

Singles

Main article: 2024 Oeiras Indoors – Singles

• Maks Kaśnikowski def. Gastão Elias 7–6^(7–1), 4–6, 6–3.

Doubles

Main article: 2024 Oeiras Indoors – Doubles

• Jay Clarke / Marcus Willis def. Théo Arribagé / Michael Geerts 6–4, 6–7^(9–11), [10–3].