Stadium: COURT 2 Round: 64 Ground: Hardcourt outdoor
| Challenger Andria | 2018/11/22 18:00 | Marcora, Roberto v Lorenzi, Paolo | 6-3,7-6 |
| Challenger Andria | 2018/11/21 19:00 | Andrea Pellegrino v Lorenzi, Paolo | 4-6,2-6 |
| Houston, USA | 2018/11/14 18:10 | Lorenzi, Paolo v Thai-Son Kwiatkowski | 4-6,4-6 |
| Houston, USA | 2018/11/13 17:35 | Lorenzi, Paolo v Stefan Kozlov | 6-4,3-6,6-4 |
| Montevideo, Uruguay | 2018/11/08 17:00 | Berlocq, Carlos v Lorenzi, Paolo | 3-6,6-2,7-5 |
| Montevideo, Uruguay | 2018/11/06 15:00 | Federico Coria v Lorenzi, Paolo | 6-3,0-6,6-7 |
| Challenger Guayaquil | 2018/10/31 18:00 | Lorenzi, Paolo v Krstin, Pedja | 6-7,2-6 |
| Challenger Guayaquil | 2018/10/30 20:35 | Lorenzi, Paolo v Cuevas, Martin | 6-4,6-7,7-6 |
| ITF Qatar F6 | 2018/12/18 07:00 | Lescure, Mick v Ali Mutawa, Jabor Mohammed | 6-1,6-0 |
| Qatar F5, Simples | 2018/12/11 13:10 | Ali Mutawa, Jabor Mohammed v Alexandar Lazarov | 3-6,1-6 |
| Coupe Davis | 2018/04/07 10:15 | Linh Giang Trinh v Ali Mutawa, Jabor Mohammed | 6-4,7-5 |
| Coupe Davis | 2018/04/06 10:00 | Alhaqbani, Saud v Ali Mutawa, Jabor Mohammed | 4-6,2-6 |
| Coupe Davis | 2018/04/03 10:00 | Mousa Alkotop v Ali Mutawa, Jabor Mohammed | 6-4,2-6,3-6 |
| Coupe Davis | 2018/04/02 10:00 | Sleem, Rabee v Ali Mutawa, Jabor Mohammed | 1-6,2-6 |
| Qatar F3, Singles | 2018/03/13 13:15 | Rondoni, Pietro v Ali Mutawa, Jabor Mohammed | 6-1,6-0 |
| ITF Qatar F2 | 2018/03/06 15:40 | Fajing Sun v Ali Mutawa, Jabor Mohammed | 6-0,6-1 |