Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Skopje | 2025/05/20 10:15 | Nerman Fatic v Nicolas Alvarez Varona | 6-3,2-6,6-4 |
| Challenger Bogota | 2025/05/16 15:00 | Pedro Rodrigues v Nicolas Alvarez Varona | 6-4,6-3 |
| Challenger Bogota | 2025/05/14 16:25 | Lorenzo Joaquin Rodriguez v Nicolas Alvarez Varona | 3-6,2-6 |
| Challenger Bogota | 2025/05/13 16:20 | Ignacio Monzon v Nicolas Alvarez Varona | 2-6,1-6 |
| Challenger Santos | 2025/05/08 22:05 | Matheus Pucinelli De Almeida v Nicolas Alvarez Varona | 6-1,4-6,6-1 |
| Challenger Santos | 2025/05/06 14:45 | Nicolas Alvarez Varona v Gonzalo Bueno | 6-4,6-2 |
| Challenger Porto Alegre | 2025/04/28 22:15 | Nicolas Alvarez Varona v Pedro Boscardin Dias | 4-6,6-3,4-6 |
| Challenger Madrid | 2025/04/06 13:45 | Ryan Nijboer v Nicolas Alvarez Varona | 3-6,7-6,7-6 |
| Challenger Tbilisi | 2025/05/21 07:55 | Robert Strombachs v Martin Damm | 1-6,3-6 |
| Challenger Tbilisi | 2025/05/19 09:30 | Robert Strombachs v Kasidit Samrej | 6-4,6-2 |
| ITF M25 Tbilisi | 2025/05/14 06:00 | Robert Strombachs v Lukas Pokorny | 6-7,2-6 |
| ITF M25 Nottingham | 2025/05/08 12:00 | Fabrizio Andaloro v Robert Strombachs | 2-6,6-2,5-1 |
| ITF M25 Nottingham | 2025/05/06 12:33 | Finn Bass v Robert Strombachs | 4-6,6-3,5-7 |
| ITF M15 Monastir | 2025/04/17 10:00 | Robert Strombachs v Peter Buldorini | 6-7,6-7 |
| ITF M15 Monastir | 2025/04/16 12:00 | Robert Strombachs v Pietro Pampanin | 6-4,6-1 |
| ITF M15 Monastir | 2025/04/13 09:00 | Robert Strombachs v Giles Hussey | 6-3,6-7,4-6 |