Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Thailand F8 | 2018/11/05 04:30 | Seong Chan Hong v Alexandar Lazarov | 6-4,6-1 |
| ITF Thailand F7 | 2018/10/30 03:00 | Sanhui Shin v Alexandar Lazarov | 3-6,7-6,7-6 |
| ITF Romania F10 | 2018/08/24 10:45 | Nicolo Turchetti v Alexandar Lazarov | 2-6,7-5,6-1 |
| ITF Romania F10 | 2018/08/23 08:50 | Riccardo Maiga v Alexandar Lazarov | 2-6,3-6 |
| ITF Romania F10 | 2018/08/22 08:25 | Nicolae Frunza v Alexandar Lazarov | 2-6,3-6 |
| ITF Romania F9 | 2018/08/18 11:00 | Alexandar Lazarov v Cristian Rodriguez | 3-6,1-6 |
| ITF Romania F9 | 2018/08/17 08:00 | Dragos Dima v Alexandar Lazarov | 6-3,3-6,2-6 |
| ITF Romania F9 | 2018/08/14 07:00 | Scott Puodziunas v Alexandar Lazarov | 3-6,3-6 |
| ITF Israel F14 | 2018/10/16 12:30 | Claudio Fortuna v Guy Den Heijer | 6-3,6-1 |
| ITF Israel F13 | 2018/10/10 07:00 | Guy Den Heijer v Edan Leshem | 1-6,2-6 |
| ITF Israel F13 | 2018/10/09 09:35 | Ran Amar v Guy Den Heijer | 3-6,2-6 |
| ITF Israel F12 | 2018/10/02 10:40 | Guy Den Heijer v Riccardo Maiga | 4-6,1-6 |
| ITF Netherlands F1 | 2018/06/28 15:00 | Guy Den Heijer v Botic Van De Zandschulp | 2-6,5-7 |
| ITF Netherlands F1 | 2018/06/26 13:35 | Guy Den Heijer v Maxime Pauwels | 7-5,4-6,7-6 |
| ITF Belgium F1 | 2018/06/19 08:00 | Paul Woerner v Guy Den Heijer | 7-6,4-6,7-5 |
| ITF Poland F4 | 2018/05/25 08:00 | Dante Gennaro v Guy Den Heijer | 6-0,6-2 |