1975 - Born in December 26th. Chilean tennis player.
1986 - Started playing tennis at the Sport Française country club in Vitacura at the age of 11.
1992 - He won the boys' singles title at the US Open that year, and also captured his first Satellite tournament in Chile at the age of 17.
1993 - He was soon recognized for his talented left-hand and reserved personality.Ríos was ranked the world's No. 1 junior tennis player (he was the first male player from Latin America to achieve the top spot).
1994 - Ríos turned professional.
- He won his first Challenger Series tournament at Dresden.
1995 - He won his first top-level tour title at Bologna.
1996 - He became the first Chilean to be ranked in the world's top 10.
1998 - Ríos reached his first (and only) Grand Slam final at the Australian Open.
- Ríos became the first Latin American male to reach the World No. 1 singles ranking after defeating Andre Agassi in the final of the Miami Masters (one of seven titles he won that year).
2000 - Ríos met Giuliana Sotela of Costa Rica while training at the Nick Bollettieri Tennis Academy in Florida. They got married and had a daughter.
2004 - Ríos announced his retirement from the sport.
2005 - Ríos remarried in April to model Eugenia "Kenita" Larraín, a former fiancée of soccer star Iván Zamorano.