TRES UNO is a Spanish phrase meaning 'three one'. It is often used to refer to the three-one score in a game or match, such as in soccer or tennis. The phrase is also used to refer to the three-one victory of a team or individual. In the crossword, the solutions for TRES UNO are DOS, which is the Spanish word for two. This phrase is commonly used to refer to the two-one score or victory of a team or individual.