Stadium: Court 2 Round: 60 Ground: Hardcourt outdoor
| 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 |
| Cherbourg, France, Qualifying | 2018/02/10 12:20 | Gueydan, Quentin v Elgin, M. | 6-7,1-6 |
| Challenger Quimper Qual | 2018/01/28 13:40 | Donati, Matteo v Gueydan, Quentin | 6-4,7-6 |
| Challenger Quimper Qual | 2018/01/27 13:10 | Gueydan, Quentin v Larriere, Clement | 2-6,7-5,6-1 |
| Rennes, France, Qualifying | 2018/01/21 15:45 | Gueydan, Quentin v Tristan Lamasine | 6-4,1-6,4-6 |
| ITF Portugal F1 | 2018/02/19 10:00 | Chavez Villalpando, Luis Diego v Zemel, Yankel | 6-4,6-2 |
| ITF Portugal F1 | 2018/02/18 10:00 | Enrique L Rico v Zemel, Yankel | 6-7,5-7 |
| ITF Israel F18 | 2017/12/12 11:05 | Zemel, Yankel v Elia, Alon | 2-6,3-6 |
| ITF Israel F17 | 2017/12/08 15:00 | Zemel, Yankel v Edan Leshem | 4-6,4-6 |
| ITF Israel F17 | 2017/12/08 09:10 | Luca Castelnuovo v Zemel, Yankel | 6-7,7-6,3-6 |
| ITF Israel F17 | 2017/12/07 12:35 | Zemel, Yankel v Hasson, Jordan | 6-4,7-5 |
| ITF Israel F17 | 2017/12/04 10:00 | Zemel, Yankel v Amar, Ran | 6-7,6-4,6-2 |
| ITF Israel F17 | 2017/12/04 09:00 | Zemel, Yankel v Zonder, Ido | 6-4,6-1 |