- 2.2.1 Siege
- 2.2.2 finals
Filippini 1987 tennis pro and won his first tournament on the ATP Tour in the following year in Båstad. He also won at the side of Carlos di Laura at the tournament in Palermo. In 1989, he won his second tournament in Prague.
1990 was his most successful year; he was a finalist in Itaparica and reached the semi-finals of Båstad, Sanremo and San Marino. Although he could not place a tournament victory, he reached his highest position 30 listing in the tennis world rankings. In 1996 he played in the tournament in Casablanca against Alberto Berasategui one of the longest games in the history of the ATP World Tour. It went 20 times over cost and lasted 28 minutes.
Filippini won five individual titles, five more times he stood in a final. He also won in three double tournaments. His best individual result at a Grand Slam tournament was reaching the quarter- finals of the French Open in 1999. As a qualifier, he won among others against Greg Rusedski before he lost to the eventual champion Andre Agassi.
Filippini played 1985-2001 for the Uruguay Davis Cup team. His record stood at 31:22 in single, double and 11:14. Three times he was able to reach the first round of the World Group with Uruguay, but dropped out in 1990 against Mexico, in 1992 against the Netherlands and in 1994 against Austria.
In the South America playing in 1986 in Chile, he won bronze in singles and gold in the doubles side of Nicolás Zurmendi. In 1995 he represented his native country at the Pan American Games in Mar del Plata and won the silver medal. Also at the 1996 Summer Olympics in Atlanta, he took part of Uruguay, where he worked as a standard bearer of Uruguay, lost the competition but in the second round against Renzo Furlan.