| Challenger Ochsenhausen | 10/08 19:20 | 1 | Martinez, Guillermo v Antonin Gavlas | L | 1-3 | |
| Challenger Ochsenhausen | 10/08 16:00 | 1 | Martinez, Guillermo v Riofrio, Emiliano | W | 3-0 | |
| Challenger Ochsenhausen | 10/08 14:00 | 1 | Irvin Bertrand v Martinez, Guillermo | L | 3-1 | |
| Challenger Ochsenhausen | 10/08 10:30 | 1 | Abdulaziz Bu Shulaybi v Martinez, Guillermo | W | 0-3 | |
| Challenger Ochsenhausen | 10/08 07:50 | 1 | Francisco Sanchi v Martinez, Guillermo | L | 3-2 | |
| Qatar Open XD | 04/03 10:25 | 1 | Martinez, Guillermo v Francisco Sanchi | W | 4-0 | |
| Qatar Open XD | 03/30 10:25 | 1 | Martinez, Guillermo v Seungmin Cho | L | 2-4 | |
| Qatar Open XD | 03/28 16:20 | 1 | Martinez, Guillermo v Albornoz, Fabian | W | 4-1 | |
| Qatar Open XD | 11/23 17:40 | 1 | Serdaroglu, David v Martinez, Guillermo | L | 4-3 | |
| Qatar Open XD | 11/13 15:10 | 1 | Elias Ranefur v Martinez, Guillermo | L | 4-2 | |
| Challenger Ochsenhausen | 06/09 09:50 | 1 | Jakub Kosowski v Martinez, Guillermo | L | 3-1 | |
| Challenger Ochsenhausen | 06/09 07:50 | 1 | Petr David v Martinez, Guillermo | L | 3-1 | |
| Challenger Ochsenhausen | 06/08 11:10 | 1 | Martinez, Guillermo v Tomasz Tomaszuk | W | 3-1 | |
| Challenger Ochsenhausen | 06/08 07:50 | 1 | Martinez, Guillermo v Tomas Konecny | L | 0-3 | |
| Challenger Ochsenhausen | 06/08 06:30 | 1 | Ghosh, Soumyajit v Martinez, Guillermo | L | 3-2 | |
| Challenger Ochsenhausen | 06/07 10:30 | 1 | Eric Jouti v Martinez, Guillermo | W | 0-3 | |
| Challenger Ochsenhausen | 06/07 07:50 | 1 | Luka Mladenovic v Martinez, Guillermo | W | 1-3 | |
| Challenger Ochsenhausen | 05/12 11:25 | 1 | Petr David v Martinez, Guillermo | L | 3-0 | |
| Challenger Ochsenhausen | 05/12 09:50 | 1 | Martinez, Guillermo v Chtchetinine, Evgueni | L | 1-3 | |
| Challenger Ochsenhausen | 05/12 07:10 | 1 | Martinez, Guillermo v Kadlcek, Michal | W | 3-1 | |
| Challenger Ochsenhausen | 05/11 10:30 | 1 | Martinez, Guillermo v Petr David | W | 3-2 | |
| Challenger Ochsenhausen | 05/11 07:10 | 1 | Martinez, Guillermo v Yannick Vostes | L | 2-3 | |
| Challenger Ochsenhausen | 05/10 12:30 | 1 | Martinez, Guillermo v Florian Bluhm | W | 3-1 | |
| Challenger Ochsenhausen | 05/10 09:10 | 1 | Sven Happek v Martinez, Guillermo | W | 2-3 | |
| Challenger Ochsenhausen | 05/10 07:10 | 1 | Martinez, Guillermo v Josip Huzjak | L | 1-3 | |
| Qatar Open XD | 05/03 08:59 | - | Michal Obeslo v Martinez, Guillermo | L | 4-1 | |
| Qatar Open XD | 05/02 09:04 | - | Martinez, Guillermo v Kamil Nalepa | L | 2-4 | |
| Challenger Ochsenhausen | 04/18 09:00 | 1 | Can Akkuzu v Martinez, Guillermo | L | 3-2 | |
| Challenger Ochsenhausen | 04/18 07:00 | 1 | Jakub Kosowski v Martinez, Guillermo | L | 3-1 | |
| Challenger Ochsenhausen | 04/17 18:40 | 1 | Josip Huzjak v Martinez, Guillermo | W | 0-3 |