Stadium: Cancha 8 Round: 25 Ground: Clay
| Montevideo, Uruguay | 2018/11/05 17:00 | Lorenzo Giustino v Bellucci, Thomaz | 6-3,6-3 |
| Challenger Guayaquil | 2018/10/31 20:00 | Bellucci, Thomaz v Guido Andreozzi | 3-6,2-6 |
| Challenger Guayaquil | 2018/10/30 00:40 | Emilio Gomez v Bellucci, Thomaz | 2-6,6-3,4-6 |
| Challenger Lima | 2018/10/23 00:20 | Bellucci, Thomaz v Hernandez-Fernandez, Jose | 6-1,6-7,4-6 |
| Santo Domingo, Dominican Republic | 2018/10/08 21:00 | Nino Serdarusic v Bellucci, Thomaz | 7-6,6-4 |
| Challenger Campinas | 2018/10/05 22:25 | Bellucci, Thomaz v Thiago Monteiro | 6-2,2-6,1-6 |
| Challenger Campinas | 2018/10/04 19:00 | Bellucci, Thomaz v Tomas Barrios Vera | 7-5,4-6,7-6 |
| Challenger Campinas | 2018/10/01 23:50 | Londero, Juan Ignacio v Bellucci, Thomaz | 4-6,3-6 |
| Challenger - Barcelone | 2018/10/09 12:35 | Quinzi, Gianluigi v Pedro Martinez | 4-6,5-7 |
| Florence, Italy | 2018/10/04 10:10 | Quinzi, Gianluigi v Andrea Pellegrino | 6-7,1-6 |
| Florence, Italy | 2018/10/03 09:55 | Quinzi, Gianluigi v Martin, Andrej | 6-2,6-2 |
| Challenger Szczecin | 2018/09/14 15:30 | Alejandro Davidovich Fokina v Quinzi, Gianluigi | 7-6,0-6,6-4 |
| Challenger Szczecin | 2018/09/12 11:00 | Quinzi, Gianluigi v Tomas Barrios Vera | 6-1,6-3 |
| Challenger Szczecin | 2018/09/10 15:40 | Drzewiecki, Karol v Quinzi, Gianluigi | 3-6,4-6 |
| Genoa, Italy | 2018/09/05 12:10 | Quinzi, Gianluigi v Galovic, Viktor | 6-4,4-6,3-6 |
| US Open, New York, USA | 2018/08/21 18:50 | Quinzi, Gianluigi v Pedro Martinez | 3-6,4-6 |