| Challenger Campinas | 10/04 15:30 | 26 | Goncalo Oliveira v Bruno Santanna | 6-3,6-1 | |
| Challenger Campinas | 10/03 14:30 | 25 | [227] Goncalo Oliveira v Marc Giner [363] | Retired | |
| Challenger Sibiu | 09/19 09:30 | 25 | [231] Goncalo Oliveira v Carlos Taberner [226] | 2-6,2-6 | |
| Challenger Szczecin | 09/13 18:25 | 26 | [238] Goncalo Oliveira v Florian Mayer [69] | 4-6,4-6 | |
| Challenger Szczecin | 09/12 10:40 | 25 | [238] Goncalo Oliveira v Constant Lestienne [339] | 3-6,6-2,6-3 | |
| Challenger Seville | 09/06 09:00 | 26 | [240] Goncalo Oliveira v Jaume Munar [208] | Retired | |
| Challenger Seville | 09/04 09:00 | 25 | [386] Marc Giner v Goncalo Oliveira [240] | 5-7,3-6 | |
| Challenger Como | 08/28 14:00 | 25 | [102] Marco Cecchinato v Goncalo Oliveira [240] | 6-1,6-2 | |
| US Open Qual | 08/22 15:00 | 44 | [241] Goncalo Oliveira v Gastao Elias [154] | 2-6,6-4,1-6 | |
| Challenger Cordenons | 08/18 11:30 | 27 | [141] Roberto C.-Baena v Goncalo Oliveira [242] | 6-3,6-1 | |
| Challenger Cordenons | 08/16 12:00 | 26 | [242] Goncalo Oliveira v Jaume Munar [201] | 6-4,6-2 | |
| Challenger Cordenons | 08/15 08:00 | 25 | Ivan Gakhov v Goncalo Oliveira | 6-7,1-6 | |
| ITF Italy F25 | 08/10 09:30 | 27 | [355] Christian Lindell v Goncalo Oliveira [247] | 2-6,7-6,6-3 | |
| ITF Italy F25 | 08/09 08:00 | 26 | Riccardo Balzerani v Goncalo Oliveira | 2-6,4-6 | |
| ITF Italy F25 | 08/07 16:50 | 25 | Corrado Summaria v Goncalo Oliveira | 4-6,2-6 | |
| Challenger Segovia | 08/02 09:30 | 26 | [245] Goncalo Oliveira v Laurent Lokoli [346] | 6-4,6-7,4-6 | |
| Challenger Segovia | 08/01 08:00 | 25 | [245] Goncalo Oliveira v Yannick Mertens [286] | 6-3,3-6,6-4 | |
| Challenger Cortina | 07/25 11:10 | 25 | [248] Goncalo Oliveira v Andrea Arnaboldi [299] | 3-6,1-6 | |
| Challenger Poznan | 07/22 12:00 | 28 | [283] Goncalo Oliveira v Alexey Vatutin [256] | 6-2,5-7,2-6 | |
| Challenger Poznan | 07/21 11:15 | 27 | [284] Jonathan Eysseric v Goncalo Oliveira [283] | 6-7,4-6 | |
| Challenger Poznan | 07/20 14:00 | 26 | [283] Goncalo Oliveira v Jerzy Janowicz [107] | 5-7,6-2,6-4 | |
| Challenger Poznan | 07/18 09:00 | 25 | [283] Goncalo Oliveira v Petr Michnev [233] | 6-2,6-4 | |
| Challenger Braunschweig | 07/10 15:35 | 25 | Nicola Kuhn v Goncalo Oliveira | 6-4,6-2 | |
| Challenger Braunschweig Qual | 07/09 13:00 | 54 | Goncalo Oliveira v Dino Marcan | 6-3,7-6 | |
| Challenger Braunschweig Qual | 07/08 11:35 | 46 | Goncalo Oliveira v Alexander Mannapov | Retired | |
| ITF Netherlands F2 | 07/01 13:00 | 28 | Boy Westerhof v Goncalo Oliveira | 6-4,3-6,7-6 | |
| ITF Netherlands F2 | 06/30 11:00 | 27 | Jesse Timmermans v Goncalo Oliveira | 0-6,6-4,2-6 | |
| ITF Netherlands F2 | 06/28 15:00 | 26 | Raphael Baltensperger v Goncalo Oliveira | 4-6,6-1,0-6 | |
| ITF Netherlands F2 | 06/26 14:45 | 25 | Ulises Blanch v Goncalo Oliveira | 6-7,7-6,3-6 | |
| ITF Hungary F5 | 06/24 08:00 | 29 | [294] Goncalo Oliveira v Pedja Krstin [284] | 6-2,6-2 |
Gonzalo Oliveira (born 17 February 1995) is a Portuguese-born tennis player who represents Venezuela.
Oliveira has a career high ATP singles ranking of 194 achieved on 25 December 2017. He also has a career high doubles ranking of 77 achieved on 24 August 2020.
Oliveira has won 12 ATP Challenger doubles titles.