Guillermo Rivera Aránguiz

Guillermo Andrés Rivera Aránguiz (born 2 February 1989) is a Chilean former professional tennis player. Rivera represented Chile in March 2011 against the United States, making his Davis Cup debut by playing the fifth rubber against John Isner, losing the match 3–6, 7–6, 5–7. It would be the only Davis Cup match of his career.