Stadium: Court 4 Round: 62 Ground: Clay
| ITF Germany F10 | 2017/08/06 13:00 | Mrazek, David v Mertens, Nico | 4-6,6-7 |
| ITF Spain F2 | 2018/01/20 08:30 | ルチ,ヴィタル・フルリン v Mrazek, David | 3-6,3-6 |
| Czech Republic F12, Singles | 2017/11/27 12:00 | ヨナス・トリンカー v Mrazek, David | 6-2,1-6,6-2 |
| Czech Republic F11, Singles Qualifying | 2017/11/19 09:00 | Mrazek, David v Brna, David Damian | 3-6,4-6 |
| ITF Czech Republic F9 | 2017/11/06 09:00 | Mrazek, David v アントニン ボラルト | 2-6,4-6 |
| Czech Republic F8, Singles Qualifying | 2017/10/30 11:00 | セムジャン,マレク v Mrazek, David | 6-4,6-2 |
| ITF Germany F10 | 2017/08/06 13:00 | Mrazek, David v Mertens, Nico | 4-6,6-7 |
| ITF Germany F10 | 2017/08/06 08:00 | Mrazek, David v Dinopoulos, Alexandros | 6-0,6-1 |
| ITF Slovakia F2 | 2017/07/30 09:00 | Mrazek, David v Holis, Stepan | 6-2,6-7,1-6 |
| ITF Spain F2 | 2018/01/20 10:15 | ルイス・ミラレス v Mertens, Nico | 1-6,0-6 |
| Turkey F45, Singles Qualifying | 2017/12/01 07:15 | Mertens, Nico v レニー・ハンペル | 1-6,0-6 |
| Turkey F45, Singles Qualifying | 2017/11/30 07:15 | Mertens, Nico v Klimov, Daniil | 6-1,6-0 |
| Turkey F45, Singles Qualifying | 2017/11/29 10:00 | ヤン・チョインスキー v Mertens, Nico | 5-7,6-7 |
| ITF Turkey F45 Qual | 2017/11/27 08:30 | Mertens, Nico v フランコ・リベロ | 6-4,6-0 |
| ITF Turkey F45 Qual | 2017/11/26 06:30 | Mertens, Nico v ハミド・レザ・ナダフ | 7-5,6-1 |
| ITF Turkey F44 | 2017/11/20 07:15 | Mertens, Nico v Hossein Zade, Mohsen | 0-6,2-6 |
| ITF Turkey F44 | 2017/11/19 07:15 | Mertens, Nico v ミャグコフ,ドミトリ | 7-5,3-6,6-2 |