Roger Federer was the defending champion, but chose not to play that year. Albert Montañés won the title, notably by saving match points in quarterfinal and final match.
في بطولة إستوريل المفتوحة 2009 - فردي الرجال فاز الإسباني ألبرت مونتانيس بلقب البطولة بعد فوزه على الأمريكي جيمس بليك في المباراة النهائية بنتيجة 5–7، 7–6(8–6)، 6–0. (ar)
Roger Federer was the defending champion, but chose not to play that year. Albert Montañés won the title, notably by saving match points in quarterfinal and final match. (en)
Il singolare maschile dell'Estoril Open 2009 è stato un torneo di tennis facente parte dell'ATP World Tour 2009. Roger Federer era il detentore del titolo, ma quest'anno non ha partecipato. Il torneo si è concluso con la vittoria di Albert Montañés che ha sconfitto in finale James Blake. (it)