Stadium: Court 1 Round: 25 Ground: Clay
| Challenger Tallahassee | 2018/04/24 21:30 | Dominik Koepfer v Noah Rubin | 6-7,2-6 |
| Challenger Sarasota | 2018/04/16 14:00 | Akira Santillan v Dominik Koepfer | 6-3,3-6,6-2 |
| ATP Houston Qual | 2018/04/07 19:30 | Dominik Koepfer v Akira Santillan | 4-6,3-6 |
| Challenger Panama City | 2018/04/03 16:00 | Dominik Koepfer v Cristian Rodriguez | 4-6,6-4,4-6 |
| Challenger Drummondville | 2018/03/15 18:40 | Dominik Koepfer v Evan King | 4-6,6-7 |
| Challenger Drummondville | 2018/03/13 14:00 | Pavel Krainik v Dominik Koepfer | 6-3,5-7,2-6 |
| ITF Canada F2 | 2018/03/11 17:00 | Dominik Koepfer v Michael Redlicki | 6-7,7-5,6-2 |
| ITF Canada F2 | 2018/03/10 09:00 | JC Aragone v Dominik Koepfer | 6-7,3-6 |
| ATP Barcelona | 2018/04/25 11:25 | Jozef Kovalik v Guido Pella | 6-3,6-3 |
| ATP Barcelona | 2018/04/24 10:10 | Peter Gojowczyk v Guido Pella | 4-6,4-6 |
| ATP Monte Carlo | 2018/04/17 13:05 | Guido Pella v Diego Schwartzman | 6-0,2-6,3-6 |
| ATP Houston | 2018/04/13 17:00 | Tennys Sandgren v Guido Pella | 4-6,7-5,6-3 |
| ATP Houston | 2018/04/11 20:45 | Guido Pella v Sam Querrey | 2-6,7-6,7-6 |
| ATP Houston | 2018/04/10 21:35 | Stefan Kozlov v Guido Pella | 3-6,2-6 |
| Davis Cup | 2018/04/07 22:45 | Guido Pella v Cristian Garin | 6-3,7-6 |
| ATP Miami | 2018/03/21 23:15 | Guido Pella v Mikhail Youzhny | 6-7,6-7 |