| Challenger - Ochsenhausen | 2018/01/31 11:30 | Lehel Demeter v Fedor Kuzmin | L | 2-3 |
| Challenger - Ochsenhausen | 2018/01/31 09:30 | Lehel Demeter v Santiago Tolosa | W | 3-1 |
| Challenger - Ochsenhausen | 2018/01/12 09:30 | Jiri Vrablik v Lehel Demeter | W | 0-3 |
| Challenger - Ochsenhausen | 2018/01/11 13:30 | Sushmit Sriram v Lehel Demeter | L | 3-1 |
| Challenger - Ochsenhausen | 2018/01/11 10:50 | Sven Happek v Lehel Demeter | W | 1-3 |
| Challenger - Ochsenhausen | 2018/01/11 08:50 | Robert Floras v Lehel Demeter | W | 2-3 |
| Challenger - Ochsenhausen | 2018/01/10 13:30 | Sharath Kamal Achanta v Lehel Demeter | L | 3-1 |
| Challenger - Ochsenhausen | 2018/01/10 12:10 | Petr David v Lehel Demeter | L | 3-0 |
| Challenger - Ochsenhausen | 2018/01/31 10:50 | Evgueni Chtchetinine v Dragan Subotic | L | 3-0 |
| Challenger - Ochsenhausen | 2018/01/31 08:10 | Yannick Vostes v Dragan Subotic | L | 3-0 |
| Qatar Open - Gemischtes Doppel | 2016/11/10 10:27 | Aleksey Liventsov v Dragan Subotic | L | 4-3 |
| Qatar Open - Gemischtes Doppel | 2016/11/09 11:38 | Dragan Subotic v Benjy Capello | W | 4-1 |
| Qatar Open - Gemischtes Doppel | 2016/09/01 15:34 | Dragan Subotic v Chan-Hyeok Park | L | 2-4 |