Round: 62 Ground: Hardcourt outdoor
| ITF Brazil F3 | 2018/05/06 12:30 | Lorenzo Gagliardo v Lucas Gessner | 6-2,6-3 |
| ITF Brazil F2 | 2018/04/29 17:30 | Augusto Laranja v Lucas Gessner | 6-2,6-0 |
| ITF Brazil F1 | 2018/04/21 16:00 | Joao Hinsching v Lucas Gessner | 6-3,6-3 |
| ITF Turkey F14 | 2018/04/07 09:30 | Lucas Gessner v Pelle Boerma | 0-6,3-6 |
| ITF Turkey F13 | 2018/03/31 11:00 | Lucas Gessner v Aliaksandr Prudnikau | 6-7,4-6 |
| ITF Turkey F12 | 2018/03/24 06:30 | Grigoriy Lomakin v Lucas Gessner | 6-4,6-2 |
| ITF Turkey F11 | 2018/03/17 07:00 | Gokberk Ergeneman v Lucas Gessner | 6-1,6-1 |
| ITF Turkey F10 | 2018/03/10 07:00 | Lucas Gessner v Felix Morck | 2-6,3-6 |
| ITF Brazil F4 | 2017/11/28 13:10 | Eber Tiepermann v Fernando Yamacita | 0-6,1-6 |