Stadium: Court 5 Round: 25 Ground: Hardcourt outdoor
| ITF Qatar F5 | 2018/12/14 12:00 | Alexandar Lazarov v Tak Khunn Wang | 1-6,0-6 |
| ITF Qatar F5 | 2018/12/13 13:50 | Alexandar Lazarov v Aslan Karatsev | 7-5,5-7,6-3 |
| ITF Qatar F5 | 2018/12/12 13:25 | Kristian Lozan v Alexandar Lazarov | 3-6,6-3,0-6 |
| ITF Qatar F5 | 2018/12/11 13:10 | Jabor Mohammed Ali Mutawa v Alexandar Lazarov | 3-6,1-6 |
| ITF Qatar F4 | 2018/12/05 14:25 | Zizou Bergs v Alexandar Lazarov | 6-4,6-1 |
| ITF Qatar F4 | 2018/12/04 18:20 | Alexandar Lazarov v Mousa Shanan Zayed | 6-2,6-1 |
| ITF Thailand F9 | 2018/11/15 03:00 | Roman Safiullin v Alexandar Lazarov | 7-6,6-4 |
| ITF Thailand F9 | 2018/11/14 02:00 | Alexandar Lazarov v Robert Strombachs | 6-3,6-1 |
| ITF Qatar F6 | 2018/12/17 10:00 | Guy Den Heijer v Tom Pisane | 6-3,6-4 |
| ITF Qatar F6 | 2018/12/16 15:10 | Guy Den Heijer v Yuri Khachatryan | 7-5,6-0 |
| ITF Qatar F5 | 2018/12/11 17:40 | Guy Den Heijer v Tak Khunn Wang | 3-6,3-6 |
| ITF Qatar F5 | 2018/12/10 14:00 | Lucas Gerch v Guy Den Heijer | 6-2,3-6,4-6 |
| ITF Qatar F4 | 2018/12/04 16:55 | Zizou Bergs v Guy Den Heijer | 6-4,6-0 |
| ITF Qatar F4 | 2018/12/03 12:00 | Guy Den Heijer v Alexander Donski | 4-6,7-5,6-1 |
| ITF Qatar F4 | 2018/12/02 15:05 | Guy Den Heijer v Yanik Kaelin | 6-2,6-3 |
| ITF Egypt F28 | 2018/11/21 08:00 | Kacper Zuk v Guy Den Heijer | 6-7,6-3,7-5 |