Gaudio was a clay speciallist - like most Spanish & Latin players of the time. In 2005 only Nadal had more wins on clay than Gaudio. After that he had like one healthy season and soon fell into obscurity.
Nalbandian was the only Argentine non-clay speciallist at the time, he excelled in the now largely defunct indoor carpet events but Gaudio, Coria, Puerta, Monaco & Chela were all clay speciallists.
PS. You never heard about Andres Gomez before my post?
Have you heard about Virginia Ruzici winning Roland Garros? (just so people know Halep wasn't the first Romanian to do it)
Back when Andre Agassi still had his 1980s hair!