Stadium: Stadium Round: 46 Ground: Hardcourt indoor
| Challenger Newport Beach Qual | 2018/01/20 18:00 | Inigo C Huegun v Jared Hiltzik | 6-7,3-6 |
| Challenger Guayaquil | 2017/10/30 18:25 | Inigo C Huegun v Jose Hernandez-Fernandez | 6-3,4-6,0-6 |
| Challenger Lima | 2017/10/24 15:30 | Inigo C Huegun v Jozef Kovalik | 4-6,7-6,4-6 |
| Challenger Cali 2 | 2017/10/18 17:00 | Inigo C Huegun v Federico Delbonis | 6-7,3-6 |
| Challenger Cali 2 | 2017/10/16 21:20 | Joao Souza v Inigo C Huegun | 3-6,7-6,6-7 |
| Challenger Rome 2 | 2017/09/26 10:40 | Carlos Taberner v Inigo C Huegun | 7-5,6-2 |
| Challenger Rome 2 Qual | 2017/09/25 09:00 | Inigo C Huegun v Elliot Benchetrit | 6-4,6-4 |
| Challenger Rome 2 Qual | 2017/09/24 09:50 | Inigo C Huegun v Andreas Haider-Maurer | 6-4,6-3 |
| Challenger Dallas Qual | 2018/01/27 19:10 | Hans Hach Verdugo v Karl Poling | 7-6,4-6,4-6 |
| ITF USA F4 | 2018/01/15 15:00 | David Volfson v Karl Poling | 6-4,2-6,6-3 |
| ITF USA F4 | 2018/01/14 19:00 | Johannes Ingildsen v Karl Poling | 6-4,4-6,4-6 |
| ITF USA F4 | 2018/01/14 14:30 | Gabriel Decamps v Karl Poling | 5-7,4-6 |
| ITF USA F4 | 2018/01/13 16:00 | Karl Poling v Nicolas Uryson | 6-3,6-4 |
| ITF USA F22 | 2017/06/24 16:30 | Alessandro-D Ventre v Karl Poling | 6-1,3-6,6-2 |
| ITF USA F20 | 2017/06/17 19:00 | Karl Poling v Alexandru Gozun | 4-6,4-6 |
| ITF USA F18 | 2017/06/10 15:30 | Karl Poling v Kevin Kylar | 6-2,6-0 |