Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF Qatar F3 Qual | 2018/03/11 16:05 | Semjan, Marek v Kovapitukted, Palaphoom | 6-1,6-1 |
| ITF Qatar F2 | 2018/03/06 13:25 | Dominik Kellovsky v Semjan, Marek | 4-6,6-3,6-2 |
| ITF Qatar F2 Qual | 2018/03/05 12:30 | Semjan, Marek v Manole, Alexandru Vasile | 4-6,6-2,6-4 |
| ITF Qatar F2 Qual | 2018/03/04 18:20 | Semjan, Marek v Ramirez, Juan David | 6-2,6-0 |
| Qatar F1, Singles | 2018/02/27 12:00 | Semjan, Marek v Denis Yevseyev | 3-6,6-3,1-6 |
| ITF Qatar F4 | 2017/12/06 12:00 | Semjan, Marek v Antoine Escoffier | 2-6,3-6 |
| ITF Qatar F4 | 2017/12/05 12:00 | Almohannadi, Hamad v Semjan, Marek | 1-6,0-6 |
| ITF Qatar F4 Qual | 2017/12/04 12:00 | Zgombic, Fran Zvonimir v Semjan, Marek | 2-6,6-1,3-6 |
| ITF Qatar F3 Qual | 2018/03/11 16:35 | Johansson, Niklas v Colautti, Thomas | 3-6,6-7 |
| ITF Qatar F2 Qual | 2018/03/05 12:00 | Matej Vocel v Colautti, Thomas | 6-3,6-3 |
| ITF Qatar F2 Qual | 2018/03/04 14:10 | Yehorov, Vasil v Colautti, Thomas | 4-6,6-4,3-6 |
| ITF Qatar F6 | 2017/12/19 14:20 | Colautti, Thomas v Lucas Miedler | 3-6,6-3,0-6 |
| Qatar F6, Qualifications Simples | 2017/12/17 12:15 | Mikalai Haliak v Colautti, Thomas | 5-7,2-6 |
| Qatar F6, Qualifications Simples | 2017/12/16 09:10 | Alsulaiti, Mubarak v Colautti, Thomas | 1-6,2-6 |
| ITF Qatar F5 Qual | 2017/12/10 18:20 | Ocleppo, Julian v Colautti, Thomas | 6-3,7-6 |
| ITF Qatar F5 Qual | 2017/12/09 11:55 | Aljufairi, Rayyan v Colautti, Thomas | 1-6,1-6 |