| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 1 | Marquioni Juan Pablo |
0-6 3-6 | 4-6 6-4 2-6 | |
| 16 | Leichner Horacio |
6-0 6-3 | 6-0 6-0 (W.O.) | |
| Q | Hervier Hernan |
6-4 4-6 6-2 | 0-6 0-6 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 2 | Invernizio Christian |
6-3 6-0 | 6-4 2-6 2-6 | |
| 15 | Castro Javier |
3-6 0-6 | 3-6 0-6 | |
| Q | Pinto Alcides |
4-6 6-2 6-2 | 6-3 6-0 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 3 | Macagno Salvador |
4-6 6-4 1-6 | 3-6 6-3 4-6 | |
| 14 | Juncos Javier |
6-4 4-6 6-1 | 6-0 6-0 (W.O.) | |
| Q | Paez Fabian |
6-3 3-6 6-4 | 0-6 0-6 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 4 | Troncoso Felipe |
6-4 6-4 | 3-6 0-6 | |
| 13 | Buffagni Alberto |
4-6 4-6 | 6-1 7-5 | |
| Q | Rubinstein Pablo |
6-3 6-0 | 1-6 5-7 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 5 | Rossetto Norberto |
6-3 3-6 6-3 | 6-4 4-6 1-6 | |
| 12 | Larriva Walter |
3-6 6-3 3-6 | 6-2 6-1 | |
| Q | Troncoso Marcelo |
4-6 6-4 6-1 | 2-6 1-6 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 6 | Palacios Daniel |
6-0 6-0 (W.O.) | 7-6 6-1 | |
| 11 | Antipan Mariano |
0-6 0-6 (W.O.) | 0-6 0-6 (W.O.) | |
| Q | Lynn Federico |
6-7 1-6 | 6-0 6-0 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 7 | Damonte Fabian |
6-4 6-1 | 6-0 6-0 (W.O.) | |
| 10 | Chocobar Gustavo |
4-6 1-6 | 6-0 6-0 | |
| Q | Soto Pablo |
0-6 0-6 (W.O.) | 0-6 0-6 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 8 | Perez Fernando Raul |
6-1 6-4 | 6-4 4-6 7-5 | |
| 9 | Brizuela Mariano |
1-6 4-6 | 7-5 6-3 | |
| Q | Rojas David |
4-6 6-4 5-7 | 5-7 3-6 | |
