| Challenger Ochsenhausen | 2018/10/08 18:40 | Andriy Sitak v Irvin Bertrand | L | 0-3 |
| Challenger Ochsenhausen | 2018/10/08 17:20 | Andriy Sitak v Abdulaziz Bu Shulaybi | L | 1-3 |
| Challenger Ochsenhausen | 2018/10/08 11:50 | Andriy Sitak v Francisco Sanchi | L | 0-3 |
| Challenger Ochsenhausen | 2018/10/08 09:10 | Andriy Sitak v Tomas Konecny | L | 1-3 |
| Challenger Ochsenhausen | 2018/10/08 06:30 | Andriy Sitak v Emiliano Riofrio | W | 3-1 |
| Challenger Ochsenhausen | 2018/09/25 10:20 | Adrian Wiecek v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2018/09/25 08:20 | Andriy Sitak v Javier Benito | W | 3-1 |
| Challenger Ochsenhausen | 2018/09/24 20:00 | Jiri Martinko v Andriy Sitak | L | 3-0 |
| Challenger Ochsenhausen | 2018/10/08 19:20 | Guillermo Martinez v Antonin Gavlas | L | 1-3 |
| Challenger Ochsenhausen | 2018/10/08 16:00 | Guillermo Martinez v Emiliano Riofrio | W | 3-0 |
| 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 |