Stadium: Center Court Round: 29 Ground: Clay
| Challenger Tunis | 2018/04/17 13:30 | Jozef Kovalik v Malek Jaziri | 6-4,7-6 |
| Davis Cup | 2018/04/07 15:55 | Jozef Kovalik v Mirza Basic | 6-7,6-2,3-6 |
| Challenger Marbella | 2018/03/28 12:35 | Simone Bolelli v Jozef Kovalik | 2-6,6-4,6-4 |
| Challenger Marbella | 2018/03/27 10:35 | Joao Domingues v Jozef Kovalik | 2-6,3-6 |
| Challenger Santiago | 2018/03/09 20:15 | Jozef Kovalik v Carlos Gomez-Herrera | 3-6,6-7 |
| Challenger Santiago | 2018/03/08 16:00 | Jozef Kovalik v Thomaz Bellucci | 6-7,7-6,6-3 |
| Challenger Santiago | 2018/03/07 15:00 | Gastao Elias v Jozef Kovalik | 6-7,2-6 |
| Challenger Santiago | 2018/03/06 14:00 | Jozef Kovalik v Alessandro Giannessi | 6-3,2-6,6-2 |
| Challenger Mexico City | 2018/04/10 17:00 | Yannick Hanfmann v Jay Clarke | 2-6,3-6 |
| Challenger Panama City | 2018/04/05 18:00 | Blaz Rola v Yannick Hanfmann | 3-6,6-4,6-4 |
| Challenger Panama City | 2018/04/04 17:00 | Facundo Bagnis v Yannick Hanfmann | 2-6,4-6 |
| Challenger Panama City | 2018/04/02 18:05 | Rubin Statham v Yannick Hanfmann | 4-6,7-5,3-6 |
| Challenger San Luis Potosi | 2018/03/29 18:00 | Yannick Hanfmann v Jay Clarke | 5-7,6-2,4-6 |
| Challenger San Luis Potosi | 2018/03/27 19:30 | Yannick Hanfmann v Roberto Quiroz | 1-6,7-5,6-3 |
| ATP Miami Qual | 2018/03/19 22:40 | Calvin Hemery v Yannick Hanfmann | 6-3,6-1 |
| ATP Indian Wells Qual | 2018/03/06 22:50 | Vincent Millot v Yannick Hanfmann | 6-2,7-5 |