Stadium: Grandstand Round: 45 Ground: Clay
| Challenger Biella | 2018/09/16 12:00 | Mathias Bourgue v Nik Razborsek | 6-3,6-1 |
| Challenger Biella | 2018/09/15 10:00 | Andrea Vavassori v Nik Razborsek | 6-7,1-6 |
| ITF Netherlands F6 | 2018/09/02 13:00 | Nik Razborsek v Tom Kocevar-Desman | 7-6,6-4 |
| ITF Netherlands F6 | 2018/09/01 11:15 | Mathieu Perchicot v Nik Razborsek | 4-6,3-6 |
| ITF Netherlands F6 | 2018/08/31 13:15 | Nik Razborsek v Justin Butsch | 6-3,6-3 |
| ITF Netherlands F6 | 2018/08/30 14:15 | Nik Razborsek v Sandro Kopp | 6-1,6-1 |
| ITF Netherlands F6 | 2018/08/29 10:10 | Nik Razborsek v Max Houkes | 6-3,6-4 |
| ITF Netherlands F5 | 2018/08/26 13:00 | Manuel Guinard v Nik Razborsek | 6-4,7-6 |
| Challenger Como | 2018/08/25 15:25 | Arthur De Greef v Gianluca Di Nicola | 7-6,7-5 |
| Challenger Cordenons | 2018/08/11 08:30 | Gianluca Di Nicola v Markus Eriksson | 3-6,4-6 |
| Challenger San Benedetto Qual | 2018/07/15 10:00 | Luca Giacomini v Gianluca Di Nicola | 6-3,7-6 |
| Challenger San Benedetto Qual | 2018/07/14 15:05 | Gianluca Di Nicola v Alessandro Petrone | 5-7,6-3,6-4 |
| Challenger Perugia Qual | 2018/07/08 08:00 | Ulises Blanch v Gianluca Di Nicola | 6-4,7-5 |
| Challenger Recanati Qual | 2018/06/30 09:30 | Gianluca Di Nicola v Zihao Xia | 6-7,2-6 |
| Challenger L'Aquila Qual | 2018/06/18 08:00 | Riccardo Bonadio v Gianluca Di Nicola | 6-2,6-4 |
| Challenger L'Aquila Qual | 2018/06/16 10:15 | Gianluca Di Nicola v Christian Lindell | 7-5,6-3 |