Stadium: Court 1 Round: 27 Ground: Hardcourt outdoor
| ITF Egypt F8 | 2018/03/08 08:00 | Youssef Hossam v Dejan Katic | 6-7,6-4,3-6 |
| ITF Egypt F8 | 2018/03/07 10:55 | Dejan Katic v Benjamin Lock | 7-6,7-6 |
| ITF Egypt F7 | 2018/02/28 08:00 | Markus Eriksson v Dejan Katic | 2-6,6-3,6-4 |
| ITF Egypt F6 | 2018/02/21 10:25 | Jelle Sels v Dejan Katic | 6-4,6-2 |
| ITF Egypt F5 | 2018/02/15 09:40 | Zsombor Piros v Dejan Katic | 6-1,7-6 |
| ITF Egypt F5 | 2018/02/14 11:10 | Dejan Katic v Eduardo Struvay | 6-1,6-0 |
| ITF Tunisia F40 | 2017/12/20 09:35 | Samuel Bensoussan v Dejan Katic | 6-3,7-5 |
| ITF Tunisia F39 | 2017/12/13 12:55 | Antonio Zucca v Dejan Katic | 1-6,1-6 |
| ITF Egypt F8 | 2018/03/08 08:00 | Patrik Nema v Guillermo Olaso | 2-6,3-6 |
| ITF Egypt F8 | 2018/03/06 08:00 | Louis Wessels v Guillermo Olaso | 2-6,6-3,6-7 |
| Challenger San Francisco Qual | 2018/02/04 21:00 | Guillermo Olaso v Jack Molloy | 7-5,6-2 |
| Challenger San Francisco Qual | 2018/02/03 21:55 | Guillermo Olaso v Jacob Brumm | 6-3,6-1 |
| Challenger Dallas Qual | 2018/01/29 18:15 | Evgeny Karlovskiy v Guillermo Olaso | 6-7,6-1,7-6 |
| Challenger Dallas Qual | 2018/01/28 16:00 | Guillermo Olaso v Patricio Heras | 6-0,6-4 |
| Challenger Dallas Qual | 2018/01/27 17:20 | Arnau Dachs v Guillermo Olaso | 3-6,4-6 |
| Challenger Newport Beach | 2018/01/23 21:25 | Taylor Fritz v Guillermo Olaso | 6-3,6-4 |