Stadium: S & S Court Round: 46 Ground: Clay
| Challenger Marburg Qual | 2018/06/30 15:10 | Goncalo Oliveira v Pawel Juszczak | 6-1,6-3 |
| Wimbledon Qual | 2018/06/25 11:40 | Goncalo Oliveira v Christian Harrison | 3-6,1-6 |
| Challenger Fergana | 2018/06/21 10:00 | Goncalo Oliveira v Cem Ilkel | 3-6,7-6,4-6 |
| Challenger Fergana | 2018/06/19 09:20 | Goncalo Oliveira v Teymuraz Gabashvili | 5-7,6-3,6-3 |
| Challenger Almaty | 2018/06/12 05:20 | Goncalo Oliveira v Guilherme Clezar | 6-3,3-6,1-6 |
| Challenger Shymkent | 2018/06/05 07:55 | Kevin Krawietz v Goncalo Oliveira | 6-1,6-1 |
| Challenger Vicenza | 2018/05/29 09:00 | Daniel Gimeno-Traver v Goncalo Oliveira | 6-3,6-4 |
| French Open Qual | 2018/05/25 08:00 | Bernard Tomic v Goncalo Oliveira | 7-6,7-5 |
| Challenger Marburg Qual | 2018/06/30 13:20 | Ronald Slobodchikov v Jan Satral | 7-6,6-3 |
| ITF Tunisia F24 | 2018/06/22 10:40 | Ronald Slobodchikov v Mohamed Aziz Dougaz | 7-5,3-6,7-5 |
| ITF Tunisia F24 | 2018/06/21 12:50 | Ronald Slobodchikov v Robertas Vrzesinski | 6-0,6-3 |
| ITF Tunisia F24 | 2018/06/19 12:50 | Ronald Slobodchikov v Lucas Poullain | 6-1,4-6,6-2 |
| Challenger Poznan Qual | 2018/06/04 08:00 | Ronald Slobodchikov v Guillermo Olaso | 4-6,6-3,1-6 |
| Challenger Poznan Qual | 2018/06/03 08:00 | Riccardo Bonadio v Ronald Slobodchikov | 3-6,4-6 |
| ITF Egypt F17 | 2018/05/12 07:30 | Orlando Luz v Ronald Slobodchikov | 6-7,6-2,6-1 |
| ITF Egypt F17 | 2018/05/11 09:35 | Neven Krivokuca v Ronald Slobodchikov | 3-6,5-7 |