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