The International Tennis Tournament of Messina (also known as Torneo Hamilton) was a tennis tournament held annually in Messina, Italy. Held for 12 editions in 1980s, the tournament was played on outdoor clay courts and was a part of the ATP Challenger Tour schedule from 1980 to 1991.^[1]

The tournament of Messina was part of ATP Challenger Tour circuit in 1980s.

Many important players have played in Messina, as Víctor Pecci or Guillermo Pérez Roldán, that when won in Messina was number 15 in ATP world Rankings.^[2]

Ed.	Date	Prize money	Winner	Note
I	24 September 1980	$25,000	Anders Järryd
II	7 September 1981	$25,000	Mario Martinez
III	6 September 1982	$50,000	Pablo Arraya
IV	5 September 1983	$50,000	Mario Martinez
V	3 September 1984	$50,000	Víctor Pecci
VI	2 September 1985	$50,000	Kent Carlsson
VII	1 September 1986	$50,000	Tarik Benhabiles
VIII	5 October 1987	$50,000	Hans Schwaier
IX	12 September 1988	$50,000	Claudio Panatta
X	18 September 1989	$50,000	Marc Rosset
XI	17 September 1990	$100,000	Guillermo Pérez Roldán
XII	16 September 1991	$100,000	Massimo Valeri

• Past champions at ATP Tour
• Cinque gloriose manifestazioni sportive che non esistono più (in Italian)