Stadium: Court TR2 Round: 27 Ground: Hardcourt indoor
| ITF France F18 | 2018/09/19 14:00 | Avidzba, Alen v Struvay, Eduardo | 3-6,6-3,7-6 |
| ITF France F18 | 2018/09/18 09:45 | Avidzba, Alen v Samuelsson, Christian | 7-6,6-7,7-5 |
| Genoa, Italy | 2018/09/05 10:05 | Avidzba, Alen v Alexey Vatutin | 6-1,4-6,1-6 |
| Genoa, Italy | 2018/09/03 12:30 | Avidzba, Alen v Federico Coria | 3-6,7-5,7-5 |
| Genoa, Italy | 2018/09/03 08:00 | Haider-Maurer, Andreas v Avidzba, Alen | 6-4,4-6,2-6 |
| Genoa, Italy | 2018/09/02 09:40 | Eremin, Edoardo v Avidzba, Alen | 3-6,6-4,3-6 |
| ITF Switzerland F3 | 2018/08/25 14:00 | Johan Nikles v Avidzba, Alen | 6-2,7-5 |
| ITF Switzerland F3 | 2018/08/24 09:30 | Staeheli, Luca v Avidzba, Alen | 0-6,2-6 |
| ITF France F18 | 2018/09/19 11:35 | Sora Fukuda v Mertens, Yannick | 3-6,4-6 |
| ITF France F18 | 2018/09/18 09:35 | Bourcet, Tony v Mertens, Yannick | 4-6,2-6 |
| ITF France F16 | 2018/09/07 09:20 | Mertens, Yannick v Albano Olivetti | 1-6,5-7 |
| ITF France F16 | 2018/09/05 09:00 | Mertens, Yannick v Petit, Gabriel | 6-4,6-4 |
| ITF France F16 | 2018/09/04 10:15 | Mertens, Yannick v Constantin Bittoun Kouzmine | 4-6,6-4,6-4 |
| Challenger Mallorca | 2018/08/26 10:45 | Mertens, Yannick v Simon, Tobias | 7-6,4-6,4-6 |
| ITF Netherlands F4 | 2018/08/16 10:30 | Mertens, Yannick v Kazuki Nishiwaki | 3-6,6-7 |
| ITF Netherlands F4 | 2018/08/14 14:15 | Mertens, Yannick v Sidane Pontjodikromo | 6-1,4-6,6-4 |