Stadium: Center Court Round: 25 Ground: Clay
| Challenger Anning | 2019/04/15 06:20 | Zihao Xia v Goncalo Oliveira | 2-6,0-6 |
| Challenger Taipei | 2019/04/08 10:25 | Stephane Robert v Goncalo Oliveira | 6-3,6-4 |
| Challenger Alicante | 2019/04/01 16:30 | Goncalo Oliveira v Lorenzo Giustino | 6-3,4-6,3-6 |
| Challenger St Brieuc | 2019/03/26 12:00 | Manuel Guinard v Goncalo Oliveira | 7-5,6-1 |
| Challenger Zhangjiagang | 2019/03/20 02:00 | Goncalo Oliveira v Uladzimir Ignatik | 3-6,2-6 |
| Challenger Zhangjiagang | 2019/03/19 04:05 | Yibing Wu v Goncalo Oliveira | 2-6,6-2,2-6 |
| Challenger Zhuhai | 2019/03/04 07:10 | Kaichi Uchida v Goncalo Oliveira | 6-3,7-6 |
| Challenger Yokohama | 2019/02/26 02:20 | Goncalo Oliveira v Ivan Gakhov | 3-6,6-7 |
| Challenger Zhangjiagang | 2019/03/22 04:40 | Ze Zhang v Mathias Bourgue | 4-6,2-6 |
| Challenger Zhangjiagang | 2019/03/21 05:25 | Ze Zhang v Luke Saville | 6-4,2-6,6-4 |
| Challenger Zhangjiagang | 2019/03/19 06:00 | Ze Zhang v Karim-Mohamed Maamoun | 6-0,7-6 |
| Challenger Shenzhen | 2019/03/13 03:25 | Ze Zhang v Baptiste Crepatte | 6-7,4-6 |
| Challenger Zhuhai | 2019/03/09 06:25 | Evgeny Karlovskiy v Ze Zhang | 7-6,7-6 |
| Challenger Zhuhai | 2019/03/08 07:00 | Ze Zhang v Marcos Baghdatis | 6-2,3-6,6-2 |
| Challenger Zhuhai | 2019/03/06 05:30 | Zhe Li v Ze Zhang | 3-6,4-6 |
| Challenger Bangkok 1A | 2019/02/21 03:00 | Gianluca Mager v Ze Zhang | 6-2,6-7,6-4 |