The 2009 Rai Open was a professional tennis tournament played on outdoor red clay courts. It was part of the 2009 ATP Challenger Tour. It took place in Rome, Italy between 13 and 18 April 2009.

Nationality	Player	Ranking*	Seeding
ARG	Sergio Roitman	98	1
GER	Simon Greul	112	2
CRO	Roko Karanušić	122	3
CZE	Jiří Vaněk	123	4
SRB	Ilija Bozoljac	134	5
CZE	Lukáš Rosol	137	6
ITA	Filippo Volandri	140	7
FRA	Alexandre Sidorenko	155	8

• Rankings are as of April 6, 2009.

The following players received wildcards into the singles main draw:

• Daniele Bracciali
• Thomas Fabbiano
• Gianluca Naso
• Filippo Volandri

The following players received entry from the qualifying draw:

• Andrea Arnaboldi
• Thierry Ascione
• Eric Gomes
• Giancarlo Petrazzuolo
• Stefano Galvani (as a Lucky loser)

The following player received special exempt into the main draw:

• Alessio di Mauro
• Antonio Veić

Sebastián Decoud def. Simon Greul, 7–6(2), 6–1

Simon Greul / Alessandro Motti def. Daniele Bracciali / Filippo Volandri, 6–4, 7–5

• 2009 Draws
• Italian Tennis Federation official website
• ITF search Archived 2010-02-12 at the Wayback Machine