| Challenger Ochsenhausen | 2018/10/08 14:00 | Irvin Bertrand v Guillermo Martinez | L | 3-1 |
| Challenger Ochsenhausen | 2018/10/08 10:30 | Abdulaziz Bu Shulaybi v Guillermo Martinez | W | 0-3 |
| Challenger Ochsenhausen | 2018/10/08 07:50 | Francisco Sanchi v Guillermo Martinez | L | 3-2 |
| Qatar Open XD | 2018/04/03 10:25 | Guillermo Martinez v Francisco Sanchi | W | 4-0 |
| Qatar Open XD | 2018/03/30 10:25 | Guillermo Martinez v Seungmin Cho | L | 2-4 |
| Qatar Open XD | 2018/03/28 16:20 | Guillermo Martinez v Fabian Albornoz | W | 4-1 |
| Qatar Open XD | 2017/11/23 17:40 | David Serdaroglu v Guillermo Martinez | L | 4-3 |
| Qatar Open XD | 2017/11/13 15:10 | Elias Ranefur v Guillermo Martinez | L | 4-2 |
| Challenger Ochsenhausen | 2018/10/08 12:30 | Tomas Konecny v Emiliano Riofrio | L | 3-1 |
| Challenger Ochsenhausen | 2018/10/08 11:10 | Irvin Bertrand v Emiliano Riofrio | L | 3-1 |
| Challenger Ochsenhausen | 2018/10/08 06:30 | Andriy Sitak v Emiliano Riofrio | L | 3-1 |
| Qatar Open XD | 2017/05/30 10:30 | El-Sayed Lashin v Emiliano Riofrio | L | 4-0 |