Stadium: Center Round: 45
| France F4, Singles | 2018/03/10 15:50 | Botic Van De Zandschulp v Guez, David | 2-6,7-6,6-3 |
| France F4, Singles | 2018/03/09 14:25 | Rochette, Laurent v Guez, David | 3-6,3-6 |
| France F4, Singles | 2018/03/08 11:00 | Enzo Couacaud v Guez, David | 4-6,2-6 |
| France F4, Singles | 2018/03/07 11:00 | Petit, Gabriel v Guez, David | 5-7,1-6 |
| ITF Portugal F2 | 2018/03/05 22:15 | Evan Furness v Guez, David | 6-1,6-1 |
| ITF Portugal F2 | 2018/03/05 14:20 | Guez, David v Manuel Guinard | 5-7,6-4,6-4 |
| ITF Portugal F2 | 2018/03/04 11:35 | Bothwell, Peter v Guez, David | 1-6,2-6 |
| ITF Portugal F2 | 2018/03/03 14:00 | Faria, Luis v Guez, David | 0-6,2-6 |
| ITF France F5 Qual | 2018/03/10 08:30 | Gueydan, Quentin v Louis Dussin | 4-6,4-6 |
| ITF Portugal F2 | 2018/03/03 11:00 | Gueydan, Quentin v Evan Furness | 1-6,0-6 |
| ITF Portugal F2 | 2018/03/02 17:05 | Gueydan, Quentin v Ivan Marrero Curbelo | 0-6,6-1,7-6 |
| ITF Portugal F2 Qual | 2018/02/26 10:00 | Gueydan, Quentin v Zemel, Yankel | 7-5,6-4 |
| ITF Portugal F2 Qual | 2018/02/25 14:00 | Gueydan, Quentin v Morr, Jonathan | 6-3,6-4 |
| ITF Portugal F2 Qual | 2018/02/25 10:00 | Gueydan, Quentin v Antonio, Joao | 6-2,6-3 |
| ITF Portugal F2 Qual | 2018/02/24 12:30 | Ribeiro Marcondes, Igor v Gueydan, Quentin | 6-7,1-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Gueydan, Quentin v Dias, Francisco | 3-6,1-6 |