Stadium: Court 4 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F21 | 2018/06/01 09:55 | Christopher Heyman v Georg Winkler | 3-6,6-4,6-3 |
| ITF Turkey F21 | 2018/05/31 11:10 | Christopher Heyman v Jonas Trinker | 6-7,6-3,7-6 |
| ITF Turkey F21 | 2018/05/29 07:30 | Christopher Heyman v Neven Krivokuca | 7-6,6-0 |
| Challenger Lisbon Qual | 2018/05/12 13:35 | Christopher Heyman v David Vega Hernandez | 1-6,3-6 |
| Challenger Braga | 2018/05/08 17:25 | Pedro Sousa v Christopher Heyman | 6-2,6-2 |
| Challenger Guadalajara | 2018/04/17 17:00 | Christopher Heyman v Alexander Sarkissian | 4-6,6-7 |
| Challenger Mexico City | 2018/04/09 22:25 | Christopher Heyman v Adrian Menendez-Maceiras | 6-1,5-7,2-6 |
| ITF Portugal F6 | 2018/03/29 11:00 | Andres Artunedo Martinavarr v Christopher Heyman | 6-2,6-1 |
| ITF Turkey F19 | 2018/05/17 09:20 | Marsel Ilhan v Alexander Weis | 2-6,6-4,6-2 |
| ITF Turkey F19 | 2018/05/15 07:00 | Mats Rosenkranz v Alexander Weis | 3-6,0-6 |
| ITF Turkey F18 | 2018/05/10 07:30 | Alexander Weis v Aslan Karatsev | 1-6,5-7 |
| ITF Turkey F18 | 2018/05/08 07:30 | Kristjan Tamm v Alexander Weis | 5-7,0-6 |
| ITF Egypt F16 | 2018/05/02 10:00 | Ronald Slobodchikov v Alexander Weis | 6-4,6-1 |
| ITF Egypt F15 | 2018/04/26 08:30 | Marco Bortolotti v Alexander Weis | 6-4,6-3 |
| ITF Egypt F15 | 2018/04/25 13:40 | Alexander Weis v Leandros Misdrahis | 6-1,6-1 |
| ITF Egypt F14 | 2018/04/18 09:15 | Alexander Weis v Frederik Press | 4-6,6-2,3-6 |