Stadium: Center Court Round: 26 Ground: Clay
| Davis Cup | 2015/03/06 19:25 | Leonardo Mayer v Thomaz Bellucci | 6-4,6-3,1-6,6-3 |
| Challenger Campinas | 2019/10/01 23:40 | Thomaz Bellucci v Christian Lindell | 7-6,0-0 |
| Challenger Biella | 2019/09/16 11:00 | Thomaz Bellucci v Andrea Collarini | 3-6,3-6 |
| Challenger Szczecin | 2019/09/12 12:35 | Albert Ramos-Vinolas v Thomaz Bellucci | 7-5,6-2 |
| Challenger Szczecin | 2019/09/11 12:50 | Ronald Slobodchikov v Thomaz Bellucci | 4-6,3-6 |
| Challenger Genova | 2019/09/03 08:30 | Alex Molcan v Thomaz Bellucci | 6-4,7-5 |
| Challenger Como | 2019/08/29 09:10 | Thomaz Bellucci v Dmitry Popko | 3-6,3-6 |
| Challenger L'Aquila | 2019/08/21 10:15 | Thiago Seyboth Wild v Thomaz Bellucci | 7-5,7-6 |
| Challenger Meerbusch | 2019/08/15 09:00 | Tak Khunn Wang v Thomaz Bellucci | 6-1,6-2 |
| Challenger Campinas | 2019/10/01 20:10 | Camilo Ugo Carabelli v Leonardo Mayer | 6-7,4-6 |
| Challenger Buenos Aires | 2019/09/28 15:20 | Facundo Bagnis v Leonardo Mayer | 6-2,3-6,6-3 |
| Challenger Buenos Aires | 2019/09/27 22:25 | Leonardo Mayer v Juan Pablo Ficovich | 6-1,6-7,7-6 |
| Challenger Buenos Aires | 2019/09/26 21:30 | Leonardo Mayer v Facundo Diaz Acosta | 7-6,6-3 |
| Challenger Buenos Aires | 2019/09/25 20:30 | Leonardo Mayer v Federico Zeballos | 7-5,6-1 |
| US Open | 2019/08/27 22:00 | Antoine Hoang v Leonardo Mayer | 3-6,6-2,6-7,6-1,6-3 |
| ATP Kitzbuhel | 2019/07/30 09:00 | Pablo Andujar v Leonardo Mayer | 3-6,6-3,6-2 |
| ATP Hamburg | 2019/07/22 16:30 | Leonardo Mayer v Rudolf Molleker | 6-7,4-6 |