| 1 | Oliver Bonovich (RHO) def. Juan Ycaza (CBU) 6-4, 6-3 |
| 2 | Oliver Bonovich (RHO) def. Guilherme Cupertino (UTS) 6-4, 6-3 |
| 1 | Paul Fridman (RHO) def. Gaspar Audisio (UTS) 7-6 (7-1), 6-4 |
| 2 | Paul Fridman (RHO) def. Ignacio Mora (CBU) 6-2, 6-1 |
| 1 | Christian Mainella (RHO) def. Benjamin Hanriot (CBU) 7-6 (7-5), 6-2 |
| 2 | Christian Mainella (RHO) def. Tristian Kelly (UTS) 1-6, 6-4, 1-0 (12-10) |
| 1 | Nicholas Miloi (RHO) def. Javier Flores (CBU) 6-1, 5-7, 1-0 (10-1) |
| 2 | Felipe Dias (UTS) def. Nicholas Miloi (RHO) 6-3, 6-4 |
| 1 | David Phillips (RHO) def. Juan Camilo Moreno (UTS) 6-2, 7-5 |
| 2 | David Phillips (RHO) def. Pedro Gomez (CBU) 7-5, 6-1, 0-1 (7-10) |
| 1 | Joseph Sandoz (CBU) def. Gabriel Williams (RHO) 6-4, 7-6 (0-5) |
| 2 | Martin Cabrera (UTS) def. Gabriel Williams (RHO) 6-1, 6-2 |
| 1 | Juan Felipe Buchelli (UTS) def. Justin Bobo (RHO) 6-1, 6-0 |
| 2 | Miguel Perez (CBU) def. Justin Bobo (RHO) 6-1, 6-2 |
| 1 | Owen Kohler (RHO) def. Emilian Zavala (CBU) 7-6 (7-1), 6-2 |
| 2 | Owen Kohler (RHO) def. Bruno Moreira (CBU) 2-6, 7-5, 1-0 (10-1) |
| 1 | Jacob Lehmann (RHO) def. Simao Nobre (CBU) 5-7, 6-2, 1-0 (10-2) |
| 2 | Juan Felipe Buchelli (UTS) def. Jacob Lehmann (RHO) 6-4, 7-5 |
| 1 | Bruno Moreira (CBU) def. Cole McNair (RHO) 6-2, 6-1 |
| 2 | Cole McNair (RHO) def. Jose Villacis (CBU) 6-0, 6-2 |
| 1 | Hunter Johnson (RHO) def. Andres Andrade (CBU) 6-2, 6-4 |
| 2 | Miguel Perez (CBU) def. Hunter Johnson (RHO) 6-1, 6-4 |
| 1 | Erwann Monnet (RHO) def. Seth Macute (CBU) 6-1, 7-6 (8-6) |
| 2 | Erwann Monnet (RHO) def. Emilian Zavala (CBU) 6-1, 6-2 |
| 1 | Andres Andrade (CBU) def. Eli Felker (RHO) 6-1, 6-3 |
| 1 | Fernando Martinez (CBU) def. Joseph Haynes (RHO) 6-3, 6-0 |
| 2 | Simao Nobre (CBU) def. Joseph Haynes (RHO) 6-0, 6-2 |
