The 2010 Estoril Open was a tennis tournament played on outdoor clay courts. It was the 21st edition of the Estoril Open for the men (the 14th for the women), and was part of the ATP World Tour 250 series of the 2010 ATP World Tour, and of the International-level tournaments of the 2010 WTA Tour. Both the men's and the women's events took place at the Estádio Nacional in Oeiras, Portugal, from 3 May until 9 May 2010. Albert Montañés and Anastasija Sevastova won the singles title.
ATP entrants
Seeds
Seedings are based on the rankings of April 26, 2010.
Other entrants
The following players received wildcards into the main draw: Rui Machado Gaël Monfils Leonardo Tavares
The following players received entry from the qualifying draw: Pablo Andújar Federico Delbonis Marc López Alberto Martín
The following players received the lucky loser spot: David Marrero Michał Przysiężny
Withdrawals
The following notable players withdrew from the event: Ivan Ljubičić (left side strain) Gaël Monfils (stomach)
WTA entrants
Seeds
Seedings are based on the rankings of April 26, 2010.
Other entrants
The following players received wildcards into the main draw: Magali de Lattre Maria João Koehler Michelle Larcher de Brito
The following players received entry from the qualifying draw: Nina Bratchikova Dia Evtimova Yvonne Meusburger Arantxa Rus
The following player received the lucky loser spot: Jarmila Groth
Finals
Men's singles
Albert Montañés defeated Frederico Gil, 6–2, 6–7(4–7), 7–5
It was Montanes' first title of the year and 4th of his career. He defended his title.
Women's singles
Anastasija Sevastova defeated Arantxa Parra Santonja, 6–2, 7–5
It was Sevastova's first career title.
Men's doubles
Marc López / David Marrero defeated Pablo Cuevas / Marcel Granollers, 6–7(1–7), 6–4, [10–4]
Women's doubles
Sorana Cîrstea / Anabel Medina Garrigues defeated Vitalia Diatchenko / Aurélie Védy, 6–1, 7–5