Round: 62 Ground: Clay
| ITF Israel F1 | 2018/03/03 08:00 | Tommaso Metti v Lucas Gerch | 6-3,6-2 |
| ITF Egypt F4 | 2018/02/05 09:00 | Johan Nikles v Lucas Gerch | 6-2,6-3 |
| ITF Egypt F4 | 2018/02/04 12:00 | Jannik Sinner v Lucas Gerch | 6-4,3-6,5-7 |
| ITF Egypt F3 | 2018/01/28 10:00 | Daniil Zarichanskiy v Lucas Gerch | 7-5,6-1 |
| ITF Egypt F2 | 2018/01/20 08:00 | Lucas Gerch v Jannik Sinner | 3-6,5-7 |
| ITF USA F39 Qual | 2017/11/27 17:35 | Trevor A Johnson v Lucas Gerch | 7-5,6-3 |
| ITF USA F39 Qual | 2017/11/26 19:00 | Felipe Acosta v Lucas Gerch | 2-6,4-6 |
| ITF Germany F11 | 2017/08/17 12:05 | Mate Valkusz v Lucas Gerch | 6-4,6-1 |
| ITF Turkey F43 | 2017/11/12 09:00 | Mikhail Minakov v Tino Kovacic | 1-6,6-4,4-6 |
| ITF Germany F9 | 2017/07/30 13:30 | Roy Sarut De Valk v Mikhail Minakov | 6-0,6-0 |