Stadium: Court 1 Round: 27 Ground: Clay
| ITF Romania F1 | 2018/05/25 07:00 | Matthias Haim v Vasile Antonescu | 3-6,1-6 |
| ITF Romania F1 | 2018/05/24 07:00 | Matthias Haim v Bogdan Borza | 6-4,6-4 |
| ITF Romania F1 | 2018/05/22 07:00 | Matthias Haim v Johann Willems | 7-6,7-6 |
| ITF Italy F9 | 2018/05/14 11:00 | Matthias Haim v Giovanni Fonio | 3-6,3-6 |
| ITF Italy F9 | 2018/04/23 14:55 | Matthias Haim v Laurent Lokoli | 0-6,1-6 |
| ITF Italy F7 | 2018/04/10 15:25 | Bogdan Ionut Apostol v Matthias Haim | 6-2,3-6,6-2 |
| ITF Egypt F11 | 2018/03/30 12:30 | Finn Bass v Matthias Haim | 4-6,6-4,4-6 |
| ITF Egypt F11 | 2018/03/29 08:00 | Matthias Haim v Benjamin Hassan | 6-4,2-6,6-4 |
| Challenger Vicenza Qual | 2018/05/27 09:00 | Marc Polmans v Juan Ignacio Galarza | 6-4,6-2 |
| Challenger Vicenza Qual | 2018/05/26 10:10 | Juan Ignacio Galarza v Alejandro Gonzalez | 6-3,6-4 |
| Challenger Mestre Qual | 2018/05/20 10:40 | Juan Ignacio Galarza v Zhizhen Zhang | 6-7,3-6 |
| Challenger Mestre Qual | 2018/05/19 10:35 | Juan Ignacio Galarza v Filippo Piranomonte | 6-1,6-0 |
| Challenger Lisbon Qual | 2018/05/13 12:35 | Alejandro Davidovich Fokina v Juan Ignacio Galarza | 6-3,2-6,7-6 |
| Challenger Lisbon Qual | 2018/05/12 14:00 | Francisco Dias v Juan Ignacio Galarza | 4-6,2-6 |
| Challenger Braga Qual | 2018/05/06 13:25 | Juan Ignacio Galarza v Evan Furness | 4-6,3-6 |
| Challenger Braga Qual | 2018/05/05 14:00 | Juan Ignacio Galarza v Botic Van De Zandschulp | 6-4,6-4 |