Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF M25 Sanxenxo | 2023/04/26 16:00 | Robert Strombachs v Ander Tarrio Ponte | 6-1,6-1 |
| Challenger Morelos | 2023/04/17 18:55 | Luke Saville v Robert Strombachs | 6-1,7-6 |
| Challenger Leon | 2023/04/09 18:50 | Robert Strombachs v Aidan Mchugh | 2-6,6-1,6-7 |
| Challenger San Luis Potosi | 2023/04/02 19:35 | Jorge Panta v Robert Strombachs | 6-4,6-3 |
| ITF M15 Sharm El Sheikh | 2023/03/18 08:00 | Lukas Pokorny v Robert Strombachs | 6-3,3-6,6-3 |
| ITF M15 Sharm El Sheikh | 2023/03/17 08:00 | Robert Strombachs v Jakob Schnaitter | 6-2,6-1 |
| ITF M15 Sharm El Sheikh | 2023/03/16 08:00 | Robert Strombachs v Zach Stephens | 6-1,7-5 |
| ITF M15 Sharm El Sheikh | 2023/03/15 13:20 | Robert Strombachs v Johannes Ingildsen | 7-5,6-3 |
| ITF M25 Sanxenxo | 2023/04/25 09:55 | Julio Cesar Porras v Svyatoslav Gulin | 5-7,6-3,6-0 |
| UTR Pro Barcelona | 2023/03/11 10:00 | Julio Cesar Porras v Svyatoslav Gulin | 6-1,6-7,6-7 |
| UTR Pro Barcelona | 2023/03/10 07:00 | Grigory Kuklin v Julio Cesar Porras | 3-6,1-6 |
| UTR Pro Barcelona | 2023/03/09 14:27 | Lamine Ouahab v Julio Cesar Porras | 2-6,1-6 |
| UTR Pro Barcelona | 2023/03/08 08:00 | Ricardo Villacorta-Alonso v Julio Cesar Porras | 2-6,0-6 |
| UTR Pro Barcelona | 2023/03/06 09:30 | Alen Moritz Hodzic v Julio Cesar Porras | 4-6,3-5 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/16 11:10 | Julio Cesar Porras v Pablo Llamas Ruiz | 5-7,7-5,4-6 |
| ITF M25 Vila Real de Santo Antonio | 2023/02/15 16:20 | Tomas C Abasolo v Julio Cesar Porras | 7-6,1-6,3-6 |