| ITF M25 Sapporo | 09/15 04:30 | 29 | Goncalo Oliveira v Takuya Kumasaka | 2-6,4-6 | |
| ITF M25 Sapporo | 09/14 01:00 | 28 | [297] Goncalo Oliveira v Masamichi Imamura [375] | 6-3,6-4 | |
| ITF M25 Sapporo | 09/13 06:30 | 27 | Goncalo Oliveira v Ryotaro Taguchi | 6-1,6-1 | |
| ITF M25 Sapporo | 09/12 03:50 | 26 | Goncalo Oliveira v Tatsuma Ito | 6-4,7-5 | |
| ITF M25 Sapporo | 09/06 01:00 | 27 | Goncalo Oliveira v Yuta Kawahashi | 6-3,0-6,3-6 | |
| ITF M25 Sapporo | 09/05 04:25 | 26 | Goncalo Oliveira v Shinji Hazawa | 6-1,6-2 | |
| ITF M25 Sapporo | 09/04 04:25 | 25 | Goncalo Oliveira v Yusuke Yoshikawa | 6-0,6-2 | |
| ITF M25 Hong Kong | 08/31 01:55 | 28 | [279] Goncalo Oliveira v Alexey Zakharov [334] | Retired | |
| ITF M25 Hong Kong | 08/30 02:10 | 27 | Goncalo Oliveira v Sanhui Shin | 6-4,6-2 | |
| ITF M25 Hong Kong | 08/29 02:00 | 26 | Goncalo Oliveira v Raphael Calzi | 6-2,7-5 | |
| ITF M25 Hong Kong | 08/28 05:15 | 25 | Goncalo Oliveira v Yuta Kawahashi | 6-3,6-2 | |
| ITF M25 Idanha-a-Nova | 08/14 12:30 | 25 | Ivan M Curbelo v Goncalo Oliveira | CANC |
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.