| 1 | Martin Soukal (SLUM) def. Bruno Pessoa (SEU) 6-1, 6-3 |
| 2 | Vincent Thiel (SLUM) def. Diego Menendez Vina (SEU) 6-1, 6-1 |
| 3 | Alejandro Orihuela (SEU) def. Dylan Andrianaly (SLUM) 6-7 (6-0), 7-5, 5-10 |
| 4 | Luis Iriarte (SLUM) def. Pireo Fernandez (SEU) 6-4, 6-2 |
| 5 | Kodai Kato (SLUM) def. Victor Olivera (SEU) 6-4, 6-4 |
| 6 | Eduardo Cohen (SLUM) def. Sam Reeder (SEU) 6-0, 6-1 |
| 7 | Alejandro Ley (SLUM) def. Gustavo Rubio (SEU) 1-6, 6-4, 10-5 |
| 8 | Joel Stuboeck (SLUM) def. Riley Dodd (SEU) 6-2, 6-1 |
| 1 | Nicholas Bacella (SLUM) def. Batu Ataseven (EC) 6-3, 7-5 |
| 2 | Ghali Mensour (SLUM) def. Mario Kirkov (EC) 7-5, 6-3 |
| 3 | Jinsei Tajima (SLUM) def. Eric Asakura (EC) 6-4, 6-1 |
| 4 | Viktor Ek Johansson (SLUM) def. Marshall Hulett (EC) 6-4, 6-4 |
| 5 | Enes Kocu (SLUM) def. Phil Grueninger (EC) 6-1, 6-1 |
| 6 | Elliot Jarosz (SLUM) def. Colbin Campbell (EC) 6-7 (0-2), 6-0, 11-9 |
| 7 | Timothy Barrow (SLUM) def. Arik Suez (EC) 7-5, 6-4 |
| 1 | Huga Car (EFSC) def. Juan Luis Yanine (STU) 6-1, 6-3 |
| 2 | Jack Dixon (EFSC) def. Jakub Federowicz (STU) 6-2, 6-4 |
| 3 | Oliver Andersson (STU) def. Eric Tripathi (EFSC) 6-7 (1-0), 6-7 (4-0) |
| 4 | Tomas Quesada Perez (EFSC) def. Noah Castillo (STU) 6-0, 4-6, 10-6 |
| 5 | Alexander Achour (EFSC) def. Jan Gewaltig (STU) 6-1, 6-1 |
| 6 | Pavel Kelo (EFSC) def. Leon Emich (STU) 6-2, 6-3 |
| 7 | Colin Tavares (EFSC) def. Georg Fahrner (STU) 6-1, 6-1 |
| 1 | Baptiste Mercier (FC) def. George Russell (FSC) 6-2, 5-7, 10-5 |
| 2 | Chris Fok Kow (FSC) def. Jacopo Denitto (FC) 7-6 (0-3), 6-0 |
| 3 | Mario Garoz (FSC) def. Philipp Lemken (FC) 6-3, 6-7 (5-0) |
| 4 | Makary Adamek (FC) def. Inaki Braun Simo (FSC) 3-6, 6-3, 10-7 |
| 5 | Ilian Borlee (FC) def. Bosko Boskovic (FSC) 6-3, 7-5 |
| 6 | Alex Fascio (FSC) def. Asher Willenborg (FC) 6-3, 4-6, 10-7 |
| 7 | Elliott Altman (FSC) def. Max Berner (FC) 6-7 (4-0), 3-6 |
| 8 | Diego Amilibia (FC) def. Matteo Feggi (FSC) 7-5, 7-5 |
