Stadium: Cancha Central Round: 27 Ground: Clay
| Montevideo, Uruguay | 2018/11/07 18:40 | Pedro Cachin v Lorenzo Giustino | 1-6,3-6 |
| Montevideo, Uruguay | 2018/11/05 17:00 | Lorenzo Giustino v Bellucci, Thomaz | 6-3,6-3 |
| Challenger Guayaquil | 2018/10/29 18:00 | Londero, Juan Ignacio v Lorenzo Giustino | 6-2,6-4 |
| Challenger - Barcelone | 2018/10/12 09:30 | Pedro Martinez v Lorenzo Giustino | 6-2,7-5 |
| Challenger - Barcelone | 2018/10/11 09:30 | Lorenzo Giustino v Nicola Kuhn | 6-4,4-6,6-1 |
| Challenger - Barcelone | 2018/10/10 10:00 | Samper-Montana, Jordi v Lorenzo Giustino | 4-6,4-6 |
| Florence, Italy | 2018/10/05 13:45 | Andujar, Pablo v Lorenzo Giustino | 6-4,6-7,6-3 |
| Florence, Italy | 2018/10/04 08:30 | Krawietz, Kevin v Lorenzo Giustino | 2-6,4-6 |
| Montevideo, Uruguay | 2018/11/07 23:00 | Krstin, Pedja v Pella, Guido | 6-1,3-6,5-7 |
| Montevideo, Uruguay | 2018/11/05 21:00 | Roberto Cid Subervi v Pella, Guido | 4-6,1-6 |
| Paris, France | 2018/10/27 10:00 | Ebden, Matthew v Pella, Guido | 6-3,3-6,6-1 |
| ATP Vienna | 2018/10/21 13:05 | Pella, Guido v Bemelmans, Ruben | 4-6,0-6 |
| Antwerp, Belgium | 2018/10/16 16:30 | Tsonga, Jo-Wilfried v Pella, Guido | 7-5,5-7,7-6 |
| Chengdu, Chine | 2018/09/25 05:00 | Pella, Guido v Querrey, Sam | 6-7,1-6 |
| St. Petersburg, Russia | 2018/09/20 11:30 | Damir Dzumhur v Pella, Guido | 6-4,6-4 |
| St. Petersburg, Russia | 2018/09/19 12:00 | Ilya Ivashka v Pella, Guido | 6-4,3-6,4-6 |