The inaugural event was held on outdoor hard courts, and all the other editions were played on indoor carpet.

The event was part of the Grand Prix tennis circuit and was held on hard courts.

Until the early 80's most games were held on open courts with a tarmac floor and a wooden backboad.

The event was held on indoor hard courts in 1978 and 1979 before moving to indoor carpet courts.

It was held on outdoor hard courts from 1970-72 and grass courts from 1973-1974.

The inaugural event was held on indoor hard courts; the final three were held on indoor carpet.

The tournament was held on indoor hard courts in 1986 and on outdoor hard courts from 1987 to 1994.

It was held twice, in 1987 and 1988 and held on outdoor hard courts.

It was held on hard courts between the 18 and 22 November 2009.

Since 2004, it has been a part of the South American clay court circuit but was held on hard courts prior to 2004.