Round: 62 Ground: Clay
| ITF Poland F1 | 2018/05/01 13:00 | Robert Strombachs v Dan Dowson | 3-6,1-6 |
| ITF Poland F1 | 2018/04/30 07:00 | Robert Strombachs v Jannik Sinner | 7-5,7-6 |
| ITF Poland F1 | 2018/04/29 07:00 | Ivan Yatsuk v Robert Strombachs | 2-6,4-6 |
| ITF Poland F1 | 2018/04/28 07:00 | Mikhail Minakov v Robert Strombachs | 0-6,1-6 |
| ITF Greece F5 | 2018/03/25 08:00 | Mitchell Thomas McDaniels v Robert Strombachs | 7-5,6-4 |
| ITF Greece F5 | 2018/03/24 10:00 | Robert Strombachs v Daniel De Jonge | 6-3,6-4 |
| ITF Greece F4 | 2018/03/21 08:00 | Riccardo Balzerani v Robert Strombachs | 6-2,6-2 |
| ITF Greece F4 | 2018/03/19 08:00 | Robert Strombachs v Kristjan Tamm | 6-4,6-7,6-0 |
| ITF USA F10 Qual | 2018/04/09 15:00 | Patrick Daciek v Vasil Kirkov | 7-5,2-6,1-6 |
| ITF USA F9 Qual | 2018/03/31 14:00 | Florian Lakat v Patrick Daciek | 6-7,6-2,6-3 |
| ITF USA F6 | 2018/01/31 15:00 | Patrick Daciek v Jared Pratt | 6-7,4-6 |
| ITF USA F6 | 2018/01/27 18:00 | Patrick Daciek v Ian Chadwell | 6-3,7-5 |
| ITF USA F6 | 2018/01/26 21:30 | Patrick Daciek v Nevin Arimilli | 6-2,6-4 |
| ITF USA F40 | 2017/12/07 20:00 | Patrick Daciek v Dennis Nevolo | 2-6,0-6 |
| ITF USA F40 | 2017/12/06 16:00 | Patrick Daciek v Hillel Rousseau | 6-1,7-5 |
| ITF USA F40 Qual | 2017/12/04 15:00 | Patrick Daciek v Jordi Mas De Ugarte | 6-4,7-5 |