Stadium: Court 3 Round: 26 Ground: Hardcourt outdoor
| ITF Israel F5 | 2018/05/01 07:00 | Hasson, Jordan v Haerteis, Johannes | 5-7,4-6 |
| ITF Israel F4 | 2018/04/25 10:00 | Haerteis, Johannes v Niklas-Salminen, Patrick | 4-6,7-6,4-6 |
| ITF Tunisia F13 | 2018/04/05 12:00 | Haerteis, Johannes v Clement Tabur | 7-6,5-7,5-7 |
| ITF Tunisia F13 | 2018/04/03 10:30 | Haerteis, Johannes v Santalla, Ezequiel Agustin | 6-3,4-6,6-2 |
| ITF Greece F5 | 2018/03/29 07:30 | Haerteis, Johannes v Crepatte, Baptiste | 4-6,7-6,3-6 |
| ITF Greece F5 | 2018/03/27 12:00 | Manda, Calin v Haerteis, Johannes | 2-6,2-6 |
| ITF Italy F1 Qual | 2018/02/24 08:30 | Wolfschmidt, Alexander v Haerteis, Johannes | 0-6,0-6 |
| ITF Switzerland F2 | 2018/02/14 09:00 | Lukas Klein v Haerteis, Johannes | 6-4,7-6 |
| ITF Israel F5 | 2018/05/01 08:30 | Elbaz, Shahar v Ram-Harel, Or | 2-6,2-6 |
| ITF Israel F4 | 2018/04/24 07:00 | Paris, Joshua v Ram-Harel, Or | 2-6,7-5,6-4 |
| ITF USA F9 | 2018/04/03 15:40 | Ram-Harel, Or v Mertens, Yannick | 4-6,6-3,1-6 |
| ITF USA F8 Qual | 2018/03/19 17:00 | Ram-Harel, Or v Harrison Adams | 4-6,4-6 |
| ITF USA F8 Qual | 2018/03/18 16:00 | Ram-Harel, Or v Boris Arias | 6-1,6-2 |
| ITF USA F8 Qual | 2018/03/17 22:30 | Ram-Harel, Or v Wattanakul, Pol | 6-1,6-2 |
| Irving, USA | 2018/03/13 18:00 | Arthur Rinderknech v Ram-Harel, Or | 3-6,7-5,6-4 |
| Irving, USA, Qualifying | 2018/03/12 20:30 | Ram-Harel, Or v Solomon, Grant | 6-3,6-1 |