| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 1 | Marquioni Juan Pablo |
6-1 6-3 | 6-0 6-0 (W.O.) | |
| 16 | Troncoso Marcelo |
1-6 3-6 | 6-2 6-3 | |
| Q | Szuldman Alejandro |
0-6 0-6 (W.O.) | 2-6 3-6 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 2 | Invernizio Christian |
6-3 4-6 4-6 | 6-0 6-0 (W.O.) | |
| 15 | Perez Fernando Raul |
3-6 6-4 6-4 | 6-0 6-0 (W.O.) | |
| Q | De Anchorena Juan |
0-6 0-6 (W.O.) | 0-6 0-6 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 3 | Troncoso Felipe |
6-7 6-2 6-2 | 0-6 0-6 (W.O.) | |
| 14 | Buffagni Alberto |
7-6 2-6 2-6 | 6-0 6-0 (W.O.) | |
| Q | López Taboada Aníbal |
6-0 6-0 (W.O.) | 0-6 0-6 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 4 | Macagno Salvador |
6-2 6-4 | 6-0 6-0 (W.O.) | |
| 13 | Castro Javier |
2-6 4-6 | 6-0 6-0 (W.O.) | |
| Q | Madala Agustín |
0-6 0-6 (W.O.) | 0-6 0-6 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 5 | Rossetto Norberto |
7-5 2-6 6-3 | 6-7 2-6 | |
| 12 | Lynn Federico |
5-7 6-2 3-6 | 0-6 7-6 3-6 | |
| Q | Damonte Fabian |
7-6 6-2 | 6-0 6-7 6-3 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 6 | Palacios Daniel |
6-3 7-6 | 6-1 6-2 | |
| 11 | Chocobar Gustavo |
3-6 6-7 | 6-7 6-2 6-3 | |
| Q | Basiak Ricardo |
1-6 2-6 | 7-6 2-6 3-6 | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 7 | Antipan Mariano |
0-6 0-6 (W.O.) | 0-6 0-6 (W.O.) | |
| 10 | Larriva Walter |
6-0 6-0 (W.O.) | 0-6 0-6 (W.O.) | |
| Q | Rojas David |
6-0 6-0 (W.O.) | 6-0 6-0 (W.O.) | |
| 1 | 2 | 3 | ||
|---|---|---|---|---|
| 8 | Brizuela Mariano |
4-6 7-6 6-0 | 6-3 4-6 0-6 | |
| 9 | Leichner Horacio |
6-4 6-7 0-6 | 1-6 6-1 7-6 | |
| Q | Juncos Javier |
3-6 6-4 6-0 | 6-1 1-6 6-7 | |
