Stadium: Cancha Raul Viver Round: 26 Ground: Clay
| Challenger Guayaquil | 2018/10/30 17:55 | Daniel Elahi Galan v de Greef, Arthur | 4-6,0-6 |
| Challenger Lima | 2018/10/23 19:10 | de Greef, Arthur v Sousa, Pedro | 3-6,3-6 |
| Challenger - Barcelone | 2018/10/10 11:15 | de Greef, Arthur v Wang, Tak Khunn | 3-6,6-3,6-7 |
| Florence, Italy | 2018/10/04 13:50 | Lorenzo Sonego v de Greef, Arthur | 6-2,5-7,6-4 |
| Florence, Italy | 2018/10/03 09:50 | de Greef, Arthur v Jelle Sels | 6-2,6-2 |
| Challenger Como | 2018/08/26 11:40 | de Greef, Arthur v Gianluca Mager | 4-6,6-4,1-6 |
| Challenger Como | 2018/08/25 15:25 | de Greef, Arthur v Di Nicola, Gianluca | 7-6,7-5 |
| Challenger Meerbusch | 2018/08/13 15:45 | Bernabe Zapata Miralles v de Greef, Arthur | 6-4,6-2 |
| Challenger Guayaquil | 2018/10/29 17:30 | Hernandez-Fernandez, Jose v Thiago Monteiro | 6-1,7-6 |
| Challenger Lima | 2018/10/25 17:00 | Hernandez-Fernandez, Jose v Arguello, Facundo | 1-6,2-6 |
| Challenger Lima | 2018/10/24 16:00 | Guido Andreozzi v Hernandez-Fernandez, Jose | 2-6,6-7 |
| Challenger Lima | 2018/10/23 00:20 | Bellucci, Thomaz v Hernandez-Fernandez, Jose | 6-1,6-7,4-6 |
| Santo Domingo, Dominican Republic | 2018/10/11 19:30 | Berlocq, Carlos v Hernandez-Fernandez, Jose | 6-1,4-6,6-2 |
| Santo Domingo, Dominican Republic | 2018/10/11 14:00 | Federico Coria v Hernandez-Fernandez, Jose | 5-7,0-6 |
| Santo Domingo, Dominican Republic | 2018/10/10 04:05 | Hernandez-Fernandez, Jose v Thiago Monteiro | 7-5,1-6,7-5 |
| Monterrey, Mexico | 2018/09/30 19:30 | Hernandez-Fernandez, Jose v Emilio Nava | 4-6,6-7 |