The 2009 Zucchetti Kos Tennis Cup was a professional tennis tournament played on outdoor red clay courts. It was the sixth edition of the tournament which was part of the Tretorn SERIE+ of the 2009 ATP Challenger Tour. It took place in Cordenons, Italy between 10 and 16 August 2009.

Singles entrants

Seeds

Other entrants

The following players received wildcards into the singles main draw: The following players received entry from the qualifying draw:

Champions

Singles

🇦🇺 Peter Luczak def. 🇧🇪 Olivier Rochus, 6–3, 3–6, 6–1

Doubles

🇺🇸 James Cerretani / 🇺🇸 Travis Rettenmaier def. 🇦🇺 Peter Luczak / 🇮🇹 Alessandro Motti, 4–6, 6–3, [11–9]