Stadium: Court 3 Round: 44 Ground: Grass
| Challenger Caltanissetta | 2018/06/14 16:30 | Ernests Gulbis v Alessandro Giannessi | 6-2,6-7,1-6 |
| Challenger Caltanissetta | 2018/06/12 14:30 | Alessandro Giannessi v Maxime Janvier | 6-1,6-4 |
| Challenger Poznan | 2018/06/09 12:00 | Alessandro Giannessi v Hubert Hurkacz | 4-6,6-3,3-6 |
| Challenger Poznan | 2018/06/08 11:00 | Attila Balazs v Alessandro Giannessi | 4-6,5-7 |
| Challenger Poznan | 2018/06/07 09:00 | Victor Estrella Burgos v Alessandro Giannessi | 6-4,3-6,3-6 |
| Challenger Poznan | 2018/06/05 10:40 | Alessandro Giannessi v Pedro Sousa | 6-2,6-3 |
| French Open Qual | 2018/05/25 11:35 | Alessandro Giannessi v Ernests Gulbis | 6-4,4-6,2-6 |
| French Open Qual | 2018/05/24 11:10 | Alessandro Giannessi v Tobias Kamke | 7-6,6-2 |
| Challenger Mestre | 2018/05/26 11:00 | Gianluigi Quinzi v Danilo Petrovic | 6-2,7-6 |
| Challenger Mestre | 2018/05/25 09:30 | Sergio Gutierrez-Ferrol v Danilo Petrovic | 6-1,4-6,1-6 |
| Challenger Mestre | 2018/05/24 09:30 | Scott Griekspoor v Danilo Petrovic | 7-6,6-7,1-6 |
| Challenger Mestre | 2018/05/21 12:10 | Andrea Basso v Danilo Petrovic | 6-2,1-6,3-6 |
| Challenger Puerto Vallarta | 2018/05/05 23:00 | Adrian Menendez-Maceiras v Danilo Petrovic | 1-6,7-5,6-3 |
| Challenger Puerto Vallarta | 2018/05/04 23:00 | Danilo Petrovic v Carlos Gomez-Herrera | 6-3,6-3 |
| Challenger Puerto Vallarta | 2018/05/03 21:00 | Danilo Petrovic v Ante Pavic | 6-3,6-2 |
| Challenger Puerto Vallarta | 2018/05/02 19:00 | Danilo Petrovic v Ugo Humbert | 6-4,3-6,6-3 |