| ITF Brazil F4 | 2017/11/25 10:30 | Lucas Gessner v Joao M Nusdeo | 3-6,2-6 |
| ITF Brazil F3 | 2017/11/19 13:30 | Pedro Gabriel Rodrigues v Lucas Gessner | 6-2,6-1 |
| ITF Brazil F3 | 2017/11/18 13:30 | Lucas Gessner v Enrico dos Santos Lima | 4-6,6-1,6-4 |
| ITF Zimbabwe F3 | 2017/06/24 07:00 | Rishi Reddy v Lucas Gessner | 6-2,6-2 |
| ITF Zimbabwe F2 Qual | 2017/06/18 07:00 | Lucas Gessner v Warren Kuhn | 1-6,4-6 |
| ITF Zimbabwe F1 Qual | 2017/06/11 07:00 | Lucas Gessner v Hugo Largo | 4-6,2-6 |
| ITF Zimbabwe F1 Qual | 2017/06/10 07:00 | Lucas Gessner v Ruan Du Preez | 6-4,6-4 |
| ITF Greece F5 | 2017/04/02 06:30 | Lucas Gessner v Marko Osmakcic | 0-6,0-6 |
| ITF Belgium F4 Qual | 2017/07/09 07:30 | Alexandre Muller v Felix Morck | 6-0,6-1 |
| ITF Belgium F4 Qual | 2017/07/08 10:30 | Thomas Brees v Felix Morck | 7-5,1-6,4-6 |
| ITF France F14 Qual | 2017/07/01 07:30 | Paul Gueye v Felix Morck | 7-6,6-7,6-2 |
| ITF Belgium F2 Qual | 2017/06/25 08:00 | Florian Lakat v Felix Morck | 6-4,6-3 |
| ITF Belgium F2 Qual | 2017/06/24 09:10 | Felix Morck v Dane Esses | 6-3,6-3 |
| ITF Belgium F1 Qual | 2017/06/17 08:00 | Yannick Stephan Born v Felix Morck | 6-2,6-2 |
| ITF Sweden F2 Qual | 2017/05/14 10:45 | Linus Frost v Felix Morck | 6-0,7-5 |
| ITF Sweden F1 Qual | 2017/05/07 08:15 | Lucas Renard v Felix Morck | 6-1,1-6,6-0 |