| ITF Argentina F4 | 08/24 16:00 | 27 | Nicolas Alberto Arreche v Nicolas Santos | 7-6,2-6,4-6 | |
| ITF Argentina F4 | 08/23 16:30 | 26 | Nicolas Alberto Arreche v Alejo Vilaro | 6-1,6-3 | |
| ITF Argentina F4 | 08/22 17:55 | 25 | Gonzalo Villanueva v Nicolas Alberto Arreche | 7-6,0-6,2-6 | |
| Challenger Floridablanca Qual | 08/05 22:05 | 46 | Nicolas A. Arreche v Jose Olivares | 3-6,2-6 | |
| Challenger Floridablanca Qual | 08/05 17:50 | 45 | Nicolas A. Arreche v Andres A F Lopez | 6-0,6-2 | |
| ITF Colombia F3 | 08/01 17:00 | 25 | Nicolas Alberto Arreche v Oscar Jose Gutierrez | 6-7,1-6 | |
| ITF Colombia F2 | 07/26 18:15 | 26 | Nicolas Alberto Arreche v Michael Quintero | 6-2,3-6,1-6 | |
| ITF Colombia F2 | 07/25 14:30 | 25 | Gabriel Alejandro Hidalgo v Nicolas Alberto Arreche | 3-6,6-3,1-6 | |
| ITF Colombia F1 | 07/19 15:00 | 26 | Nicolas Alberto Arreche v Juan S Gomez | 6-7,1-6 | |
| ITF Colombia F1 | 07/18 16:40 | 25 | Nicolas Alberto Arreche v Juan Bautista Otegui | 6-3,6-2 | |
| ITF Colombia F1 | 07/17 15:00 | 44 | Nicolas Alberto Arreche v Juan Manuel Lopez | 6-1,6-0 | |
| Challenger Medellin Qual | 07/10 16:00 | 54 | Nicolas A. Arreche v David Souto | 6-2,6-7,2-6 | |
| Challenger Medellin Qual | 07/09 21:00 | 46 | Matias Franco Descotte v Nicolas A. Arreche | 4-6,6-2,4-6 | |
| Challenger Medellin Qual | 07/09 16:10 | 45 | Nicolas Alberto Arreche v Bruno Britez | 4-6,6-2,6-4 | |
| ITF Argentina F3 | 06/20 14:45 | 25 | Nicolas Santos v Nicolas Alberto Arreche | 6-1,6-0 | |
| ITF Argentina F3 | 06/19 13:00 | 62 | Nicolas Alberto Arreche v Facundo Juarez | 6-4,6-7,6-3 | |
| ITF Argentina F3 | 06/18 13:00 | 62 | Nicolas Alberto Arreche v Gaston Tonello | 6-2,1-6,6-4 | |
| ITF Argentina F3 | 06/17 14:30 | 62 | Nicolas Alberto Arreche v Tomas Reche | 4-6,7-5,6-2 | |
| ITF Argentina F2 | 06/12 13:00 | 62 | Nicolas Alberto Arreche v Santiago Sarudiansky | 0-6,1-6 | |
| ITF Argentina F2 | 06/11 12:30 | 62 | Nicolas Alberto Arreche v Leonardo Aboian | 7-6,7-6 | |
| ITF Argentina F2 | 06/10 12:00 | 62 | Nicolas Alberto Arreche v Mateo Berne | 6-1,6-1 | |
| ITF Argentina F1 | 06/04 15:00 | 62 | Nicolas Alberto Arreche v Geronimo E Busleiman | 4-6,4-6 | |
| ITF Argentina F1 | 06/03 16:30 | 62 | Nicolas Alberto Arreche v Fermin Tenti | 6-3,6-3 | |
| ITF Georgia F2 | 08/03 06:00 | 25 | Nicolas Alberto Arreche v Dan Dowson | 3-6,2-6 | |
| ITF Estonia F1 | 07/27 22:00 | 27 | Nicolas Alberto Arreche v Mikelis Libietis | 4-6,2-6 | |
| ITF Estonia F1 | 07/26 22:00 | 26 | Nicolas Alberto Arreche v Herkko Pollanen | 1-6,6-1,6-1 | |
| ITF Estonia F1 | 07/25 22:00 | 25 | Nicolas Alberto Arreche v Vladimir Polyakov | 7-6,6-2 | |
| ITF Lithuania F1 | 07/19 08:00 | 25 | Nicolas Alberto Arreche v Julius Tverijonas | 1-6,2-6 | |
| Challenger Bastad Qual | 07/02 12:30 | 46 | Filip Bergevi v Nicolas Alberto Arreche | 6-3,7-6 | |
| ITF Turkey F24 | 06/17 11:30 | 27 | Riccardo Bellotti v Nicolas Alberto Arreche | 6-0,6-1 |