Stadium: Court 7 Round: 25 Ground: Clay
| ITF Chile F3 | 2018/11/27 14:00 | Nicolas Alberto Arreche v Juan Ignacio Galarza | 1-6,0-6 |
| ITF Chile F2 | 2018/11/22 17:00 | Tomas Martin Etcheverry v Nicolas Alberto Arreche | 4-6,6-4,6-4 |
| ITF Chile F2 | 2018/11/21 17:35 | Michel Vernier v Nicolas Alberto Arreche | 4-6,6-3,4-6 |
| ITF Chile F2 | 2018/11/19 16:30 | Nicolas Alberto Arreche v Mateo Nicolas Martinez | 7-5,3-6,6-4 |
| Challenger Buenos Aires | 2018/11/11 14:00 | Tomas Lipovsek Puches v Nicolas Alberto Arreche | 6-2,7-6 |
| ITF Argentina F8 | 2018/11/08 14:00 | Facundo Mena v Nicolas Alberto Arreche | 6-4,6-2 |
| ITF Argentina F8 | 2018/11/07 13:00 | Nicolas Uryson v Nicolas Alberto Arreche | 3-6,2-6 |
| ITF Argentina F8 | 2018/11/06 13:00 | Conner Huertas Del Pino v Nicolas Alberto Arreche | 2-6,1-6 |
| ITF M15 Palmanova | 2019/02/02 10:00 | Johan Nikles v Hernan Casanova | 5-7,6-2,5-7 |
| ITF M15 Palmanova | 2019/02/01 10:00 | Johan Nikles v Jaume Pla Malfeito | 6-3,6-3 |
| ITF M15 Palmanova | 2019/01/31 10:55 | Teymuraz Gabashvili v Johan Nikles | 4-6,0-6 |
| ITF M15 Palmanova | 2019/01/30 09:00 | Johan Nikles v Benjamin Winter Lopez | 6-0,6-4 |
| ITF M15 Palmanova | 2019/01/24 10:40 | Johan Nikles v Sandro Ehrat | 6-4,4-6,4-6 |
| ITF M15 Palmanova | 2019/01/22 12:55 | Andrey Chepelev v Johan Nikles | 1-6,6-7 |
| ITF M15 Manacor | 2019/01/18 11:00 | Ivan Gakhov v Johan Nikles | 7-5,6-4 |
| ITF M15 Manacor | 2019/01/17 08:30 | Johan Nikles v Alberto Romero De Avila Senise | 7-5,6-2 |