| 1 | Dylan Andrianaly (SLUM) def. Juan Luis Yanine (STU) 6-3, 6-2 |
| 2 | Ghali Mensour (SLUM) def. Jakub Federowicz (STU) 6-0, retired |
| 3 | Oliver Andersson (STU) def. Eduardo Cohen (SLUM) 6-3, 7-5 |
| 4 | Jinsei Tajima (SLUM) def. Noah Castillo (STU) 6-1, 3-6, 10-7 |
| 5 | Viktor Ek Johansson (SLUM) def. Jan Gewaltig (STU) 3-6, 6-4, 10-7 |
| 6 | Alejandro Ley (SLUM) def. Leon Emich (STU) 4-6, 6-1, 12-10 |
| 7 | Joel Stuboeck (SLUM) def. Georg Fahrner (STU) 6-4, 7-5 |
| 8 | Caio Amaral (STU) def. Timothy Barrow (SLUM) 7-6 (4-0), 6-1 |
| 1 | Martin Soukal (SLUM) def. George Russell (FSC) 6-4, 6-0 |
| 2 | Chris Fok Kow (FSC) def. Vincent Thiel (SLUM) 6-7 (4-0), 7-6 (6-0), 8-10 |
| 3 | Mario Garoz (FSC) def. Luis Iriarte (SLUM) 6-4, 6-2 |
| 4 | Kodai Kato (SLUM) def. Inaki Braun Simo (FSC) 6-2, 6-2 |
| 5 | Bosko Boskovic (FSC) def. Eduardo Cohen (SLUM) 2-6, 6-4, 10-5 |
| 6 | Elliott Altman (FSC) def. Enes Kocu (SLUM) 6-4, 6-7 (4-0), 10-5 |
| 7 | Edoardo Melindo (FSC) def. Alejandro Ley (SLUM) 1-6, 6-3, 10-8 |
| 8 | Gabriel Jornet (FSC) def. Elliot Jarosz (SLUM) 8-0 |
| 1 | Huga Car (EFSC) def. Baptiste Mercier (FC) 6-4, 3-6, 10-6 |
| 2 | Simon Mails (FC) def. Jack Dixon (EFSC) 6-4, 6-4 |
| 3 | Eric Tripathi (EFSC) def. Philipp Lemken (FC) 6-7 (3-0), 0-6 |
| 4 | Ilian Borlee (FC) def. Tomas Quesada Perez (EFSC) 6-4, 7-5 |
| 5 | Makary Adamek (FC) def. Alexander Achour (EFSC) 6-2, 4-6, 10-4 |
| 6 | Asher Willenborg (FC) def. Colin Tavares (EFSC) 6-2, 6-3 |
| 7 | Pavel Kelo (EFSC) def. Diego Amilibia (FC) 6-4, 6-4 |
| 1 | Bruno Pessoa (SEU) def. Batu Ataseven (EC) 6-3, 5-7, 10-7 |
| 2 | Diego Menendez Vina (SEU) def. Mario Kirkov (EC) 6-4, 6-2 |
| 3 | Alejandro Orihuela (SEU) def. Eric Asakura (EC) 6-0, 6-1 |
| 4 | Pireo Fernandez (SEU) def. Marshall Hulett (EC) 6-1, 6-4 |
| 5 | Gustavo Rubio (SEU) def. Phil Grueninger (EC) 6-1, 6-1 |
| 6 | Federico Boscolo (SEU) def. Colbin Campbell (EC) 6-1, 6-2 |
| 7 | Sam Reeder (SEU) def. Arik Suez (EC) 6-1, 6-2 |
