Stadium: Court 1 Round: 27 Ground: Clay
| ITF Hungary F7 | 2018/08/30 08:30 | Oscar Jose Gutierrez v Erler, Alexander | 4-6,4-6 |
| ITF Hungary F7 | 2018/08/28 08:30 | Erler, Alexander v Alexey Aleshchev | 6-1,6-0 |
| ITF Italy F24 | 2018/08/21 15:00 | Erler, Alexander v Ocleppo, Julian | 2-6,7-5,4-6 |
| ITF Austria F6 | 2018/08/10 11:15 | Erler, Alexander v Yuta Shimizu | 0-6,2-6 |
| ITF Austria F6 | 2018/08/09 09:00 | Erler, Alexander v Giacalone, Omar | 6-4,6-2 |
| ITF Austria F6 | 2018/08/08 10:40 | Erler, Alexander v Marco Miceli | 6-1,6-2 |
| ITF Austria F6 | 2018/08/07 12:20 | Erler, Alexander v Borroni, Andrea | 6-1,6-3 |
| ITF Austria F4 | 2018/07/26 09:00 | Erler, Alexander v Haim, Matthias | 4-6,2-6 |
| ITF Hungary F7 | 2018/08/30 09:30 | Brunner, Pascal v Doumbia, Sadio | 3-6,6-7 |
| ITF Hungary F7 | 2018/08/29 08:30 | Mammetgulyyev, Isa v Doumbia, Sadio | 0-6,2-6 |
| Hungary F6, Singles | 2018/08/26 14:00 | Paroulek, Tadeas v Doumbia, Sadio | 3-6,6-7 |
| Hungary F6, Singles | 2018/08/25 09:00 | Doumbia, Sadio v Nejedly, Pavel | 6-3,6-2 |
| Hungary F6, Singles | 2018/08/24 09:00 | Doumbia, Sadio v Kalenichenko, Danylo | 6-2,7-5 |
| Hungary F6, Singles | 2018/08/23 14:00 | Doumbia, Sadio v Nagy, Peter | 5-7,6-1,6-1 |
| Hungary F6, Singles | 2018/08/21 15:45 | Doumbia, Sadio v Keki, Mark | 6-1,6-3 |
| Challenger Portoroz Qual | 2018/08/05 13:00 | Aslan Karatsev v Doumbia, Sadio | 6-4,6-3 |