- Tennis Alumni and Trainees
- Languages Spoken: English
Marcelo Ríos is a former World No. 1 tennis player from Chile. He became the first Latin American player to reach the top position on the ATP singles rankings in 1998. He held the World No. 1 ranking for six weeks. He has held the top ranking in both juniors and seniors. He was the first player to win the three clay-court Masters Series tournaments (Monte Carlo, Rome, and Hamburg) since the format began in 1990. He is the only male player in the open era to have been World No. 1 while never managing to win a Grand Slam singles tournament in his career. He did reach the 1998 Australian Open final, losing to Petr Korda.