| Antonio Prieto | |
| Fullname: | Antonio Prieto |
| Birth Date: | 7 September 1973 |
| Birth Place: | Curitiba, Brazil |
| Plays: | Right-handed |
| Turnedpro: | 1997 |
| Careerprizemoney: | $92,509 |
| Doublesrecord: | 12–21 |
| Doublestitles: | 1 |
| Highestdoublesranking: | No. 95 (10 July 2000) |
| Australianopendoublesresult: | 1R (2001) |
| Frenchopendoublesresult: | 1R (2000) |
| Wimbledondoublesresult: | 2R (2000) |
| Usopendoublesresult: | 1R (2000) |
Antonio Prieto (born 7 September 1973) is a former professional tennis player from Brazil.
Born in Curitiba, Prieto went to college in the United States, at Florida State University from 1994 to 1997. While studying for a business degree he played varsity tennis as the No. 1 singles player.[1]
Prieto, who specialised in doubles, turned professional in 1997. He won an ATP Tour doubles title with countryman Gustavo Kuerten at the 2000 Chevrolet Cup, in Santiago, Chile.[2] From the 2000 French Open to the 2001 Australian Open, Prieto appeared in the men's doubles main draw of all four Grand Slam tournaments in succession. He made the second round once, at the 2000 Wimbledon Championships with Israel's Eyal Ran.[3]
He now runs Prieto Tennis, a tennis academy in Ecoville, Brazil.[4]
| width=40 | No. | width=50 | Year | width=200 | Tournament | width=60 | Surface | width=160 | Partner | width=200 | Opponents | width=160 | Score |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1. | 1999 | Gramado, Brazil | Hard |  Alexandre Simoni | Paulo Carvallo Ricardo Schlachter | 6–1, 6–4 | |||||||
| 2. | 1999 | Belo Horizonte, Brazil | Hard | Daniel Melo |  Jamie Delgado Martin Lee | 6–2, 3–6, 7–5 | |||||||
| 3. | 1999 | Santiago, Chile | Clay | Cristiano Testa |  Germán Puentes Álex López Morón | 4–6, 6–4, 6–3 | |||||||
| 4. | 2001 | Ribeirão Preto, Brazil | Clay | Adriano Ferreira |  Sergio Roitman Andrés Schneiter | 6–1, 6–7, 6–4 |