Stadium: Lapulita&Service (CC) Round: 26 Ground: Clay
| Challenger Braunschweig | 2017/07/10 15:35 | Nicola Kuhn v Goncalo Oliveira | 6-4,6-2 |
| Challenger Barletta | 2018/04/10 11:45 | Sumit Nagal v Goncalo Oliveira | 6-4,3-6,2-6 |
| Challenger Alicante | 2018/04/02 13:30 | Pablo Andujar v Goncalo Oliveira | 6-2,6-2 |
| Challenger - St Brieuc | 2018/03/26 14:55 | Goncalo Oliveira v Matthias Bachinger | 1-6,2-6 |
| Challenger Lille | 2018/03/21 09:30 | David Guez v Goncalo Oliveira | 6-1,3-6,6-3 |
| ATP Indian Wells Qual | 2018/03/06 19:00 | Nicolas Mahut v Goncalo Oliveira | 6-3,6-3 |
| Challenger Cherbourg | 2018/02/14 09:00 | Goncalo Oliveira v Mats Moraing | 5-7,6-7 |
| Challenger San Francisco | 2018/02/06 23:00 | Mitchell Krueger v Goncalo Oliveira | 6-3,6-4 |
| Challenger Dallas | 2018/01/31 18:20 | Dominik Koepfer v Goncalo Oliveira | 6-0,7-5 |
| ATP Miami | 2018/03/24 20:55 | Nicola Kuhn v Fabio Fognini | 2-6,4-6 |
| ATP Miami | 2018/03/22 15:00 | Nicola Kuhn v Darian King | 7-6,6-4 |
| Challenger Drummondville | 2018/03/13 19:45 | Nicola Kuhn v Jared Hiltzik | 4-6,3-6 |
| Challenger Bergamo | 2018/02/21 15:50 | Nicola Kuhn v Constant Lestienne | 6-7,4-6 |
| Challenger Budapest | 2018/02/11 14:00 | Nicola Kuhn v Vasek Pospisil | 6-7,6-3,3-6 |
| Challenger Budapest | 2018/02/10 16:00 | Marton Fucsovics v Nicola Kuhn | 3-6,6-7 |
| Challenger Budapest | 2018/02/09 17:40 | Nicola Kuhn v Jurgen Zopp | 6-3,6-3 |
| Challenger Budapest | 2018/02/07 12:00 | Mate Valkusz v Nicola Kuhn | 2-6,6-7 |