| ITF M15 Santiago | 01/25 13:00 | - | Lorenzo Joaquin Rodriguez v Joao Eduardo Schiessl | 4-6,6-4,6-4 | |
| ITF M15 Santiago | 01/24 14:30 | - | Joao Eduardo Schiessl v Santiago De La Fuente | 6-3,6-2 | |
| ITF M15 Santiago | 01/23 14:30 | - | Joao Eduardo Schiessl v Juan Manuel La Serna | 7-6,6-2 | |
| ITF M15 Santiago | 01/22 14:30 | - | Joao Eduardo Schiessl v Salvador Price | 6-3,6-1 | |
| Challenger Sao Paulo | 11/18 13:00 | 19 | Lautaro Midon v Joao Eduardo Schiessl | 3-6,6-1,6-2 | |
| Challenger Sao Paulo | 11/17 13:00 | 14 | Conner Huertas Del Pino v Joao Eduardo Schiessl | 3-6,5-7 | |
| ITF M25 Sao Paulo | 11/15 14:00 | 27 | Matias Soto v Joao Eduardo Schiessl | 7-6,6-3 | |
| ITF M25 Sao Paulo | 11/14 16:05 | 26 | Lorenzo Joaquin Rodriguez v Joao Eduardo Schiessl | 4-6,4-6 | |
| ITF M25 Sao Paulo | 11/12 20:10 | 25 | Joao Eduardo Schiessl v Jose Pereira | Retired | |
| ITF M15 Recife | 11/07 14:45 | 26 | Joao Eduardo Schiessl v Bautista Vilicich | 3-6,6-2,4-6 | |
| ITF M15 Recife | 11/05 15:00 | 25 | Joao Eduardo Schiessl v Bruno Fernandez | 6-3,5-7,6-4 | |
| ITF M25 Lajeado | 10/31 14:00 | 26 | Joao Eduardo Schiessl v Matias Soto | 2-6,6-3,4-6 | |
| ITF M25 Lajeado | 10/29 14:00 | 25 | Breno Braga v Joao Eduardo Schiessl | 0-6,1-6 | |
| Challenger Curitiba | 10/21 14:55 | 19 | Juan C P Angelo v Joao Eduardo Schiessl | 6-4,4-6,6-4 | |
| Challenger Curitiba | 10/20 20:10 | 14 | [469] Joao Eduardo Schiessl v Hernan Casanova [449] | 6-1,6-4 | |
| Challenger Campinas | 10/14 16:25 | 19 | [311] Matias Soto v Joao Eduardo Schiessl [469] | 7-6,6-2 | |
| Challenger Campinas | 10/13 18:15 | 14 | [436] Joao Eduardo Schiessl v Gonzalo Villanueva [408] | 6-3,2-6,7-6 | |
| ITF M15 Targu Mures | 09/29 07:55 | 29 | [352] Nicholas D Ionel v Joao Eduardo Schiessl [418] | 6-0,4-6,6-3 | |
| ITF M15 Targu Mures | 09/28 07:00 | 28 | Kirill Kivattsev v Joao Eduardo Schiessl | 6-7,3-6 | |
| ITF M15 Targu Mures | 09/27 07:00 | 27 | Joao Eduardo Schiessl v Federico Cina | 3-6,6-2,6-2 | |
| ITF M15 Targu Mures | 09/26 07:00 | 26 | Joao Eduardo Schiessl v Radovan Michalik | 5-7,6-4,6-4 | |
| ITF M15 Targu Mures | 09/25 12:35 | 25 | Joao Eduardo Schiessl v Mihai Alexandru Coman | 6-1,7-6 | |
| Challenger Sibiu | 09/15 07:30 | 14 | Joao Eduardo Schiessl v Stefan Palosi | 4-6,6-0,4-6 | |
| ITF M15 Bologna | 09/06 09:25 | 26 | Federico Iannaccone v Joao Eduardo Schiessl | 6-2,2-6,6-3 | |
| ITF M15 Bologna | 09/04 10:30 | 25 | Joao Eduardo Schiessl v Alex Hernandez | 6-1,6-1 | |
| ITF M25 Sion | 08/30 13:00 | 27 | [422] Damien Wenger v Joao Eduardo Schiessl [424] | 6-3,6-2 | |
| ITF M25 Sion | 08/29 08:30 | 26 | [357] Tim Ruehl v Joao Eduardo Schiessl [424] | 3-6,2-6 | |
| ITF M25 Sion | 08/27 11:00 | 25 | Nicolas Kobelt v Joao Eduardo Schiessl | 2-6,1-6 | |
| ITF M25 Lesa | 08/20 14:05 | 25 | Joao Eduardo Schiessl v Peter Buldorini | 4-6,2-6 | |
| ITF M25 Montesilvano | 08/08 13:55 | 27 | [352] Carlos Sanchez Jover v Joao Eduardo Schiessl [424] | 4-6,6-2,6-4 |