There were four tennis events at the 2010 South American Games. The events were held over March 19–24.
| Tennis at the 2010 South American Games | |
|---|---|
| Champions | |
| Men's singles | |
 Facundo Bagnis (ARG) | |
| Women's singles | |
 Cecilia Costa Melgar (CHI) | |
| Men's doubles | |
 Diego HidalgoRoberto Quiroz (ECU) | |
| Women's doubles | |
| Fernanda Brito Cecilia Costa Melgar (CHI) |
Medal table edit
| Rank | Nation | Gold | Silver | Bronze | Total |
|---|---|---|---|---|---|
| 1 |  Chile (CHI) | 2 | 0 | 1 | 3 |
| 2 |  Argentina (ARG) | 1 | 2 | 1 | 4 |
| 3 |  Ecuador (ECU) | 1 | 0 | 0 | 1 |
| 4 |  Paraguay (PAR) | 0 | 1 | 0 | 1 |
 Venezuela (VEN) | 0 | 1 | 0 | 1 | |
| 6 |  Bolivia (BOL) | 0 | 0 | 1 | 1 |
 Brazil (BRA) | 0 | 0 | 1 | 1 | |
| Totals (7 entries) | 4 | 4 | 4 | 12 | |
Medalists edit
| Event | Gold | Silver | Bronze |
|---|---|---|---|
| Men's events | |||
| Men's singles |
Facundo Argüello Argentina
|
Agustín Velotti Argentina
|
Guilherme Clézar Brazil
|
| Men's doubles |
Diego Hidalgo Roberto Quiroz Ecuador
|
Facundo Argüello Agustín Velotti Argentina
|
Alejandro Arias Justiniano Bruno del Granado Barrancos Bolivia
|
| Women's events | |||
| Women's singles |
Cecilia Costa Melgar Chile
|
Verónica Cepede Royg Paraguay
|
Fernanda Brito Chile
|
| Women's doubles |
Fernanda Brito Cecilia Costa Melgar Chile
|
Andrea Gámiz Adriana Pérez Venezuela
|
Agustina Eskenazi Catalina Pella Argentina
|