Stadium: C Round: 45 Ground: Clay
| ITF Italy F3 | 2018/03/15 14:15 | Thiemo De Bakker v Ergi Kirkin | 3-6,4-6 |
| ITF Italy F3 | 2018/03/14 13:00 | Thiemo De Bakker v Bogdan Ionut Apostol | 6-4,2-6,6-1 |
| ITF Italy F2 | 2018/03/10 17:00 | Thiemo De Bakker v Attila Balazs | 6-2,5-7,6-1 |
| ITF Italy F2 | 2018/03/10 11:00 | Sumit Nagal v Thiemo De Bakker | 3-6,3-6 |
| ITF Italy F2 | 2018/03/09 15:45 | Billy Harris v Thiemo De Bakker | 5-7,3-6 |
| ITF Italy F2 | 2018/03/09 12:00 | Georg Winkler v Thiemo De Bakker | 2-6,1-6 |
| ITF Italy F2 | 2018/03/08 12:45 | Toby Martin v Thiemo De Bakker | 1-6,3-6 |
| Challenger Bergamo | 2018/02/21 15:40 | Stefano Napolitano v Thiemo De Bakker | 6-3,7-5 |
| ITF Spain F10 | 2018/04/26 11:55 | Romain Barbosa v Mario Vilella Martinez | 6-2,6-7,5-7 |
| ITF Spain F10 | 2018/04/24 10:40 | Romain Barbosa v Jorge Hernando-Ruano | 6-4,7-5 |
| ITF Spain F9 | 2018/04/17 08:00 | Romain Barbosa v Steven Diez | 6-7,3-6 |
| ITF Portugal F6 | 2018/03/28 09:30 | Roberto Ortega-Olmedo v Romain Barbosa | 5-7,6-4,7-6 |
| ITF Portugal F6 | 2018/03/27 09:00 | Romain Barbosa v Carlos E. Severino | 6-2,6-2 |
| ITF Portugal F5 | 2018/03/23 10:00 | Romain Barbosa v Lloyd Harris | 4-6,6-2,6-7 |
| ITF Portugal F5 Qual | 2018/03/22 10:00 | Karim-Mohamed Maamoun v Romain Barbosa | 6-3,2-6,6-7 |
| ITF Portugal F5 Qual | 2018/03/21 11:40 | David Vega Hernandez v Romain Barbosa | 6-1,3-6,5-7 |