Round: 62 Ground: Clay
| ITF Turkey F13 | 2018/03/31 11:00 | Gessner, Lucas v Prudnikau, Aliaksandr | 6-7,4-6 |
| Turkey F12, Singles Qualifying | 2018/03/24 06:30 | Grigoriy Lomakin v Gessner, Lucas | 6-4,6-2 |
| ITF Turkey F11 | 2018/03/17 07:00 | Ergeneman, Gokberk v Gessner, Lucas | 6-1,6-1 |
| Turkey F10, Singles Qualifying | 2018/03/10 07:00 | Gessner, Lucas v Morck, Felix | 2-6,3-6 |
| ITF Turkey F9 | 2018/03/03 08:30 | Gessner, Lucas v Allemby, James | 0-6,0-6 |
| ITF Brazil F4 | 2017/11/25 10:30 | Gessner, Lucas v Nusdeo, Joao Marcos | 3-6,2-6 |
| ITF Brazil F3 | 2017/11/19 13:30 | Rodrigues, Pedro Gabriel v Gessner, Lucas | 6-2,6-1 |
| ITF Brazil F3 | 2017/11/18 13:30 | Gessner, Lucas v Lima, Enrico Dos Santos | 4-6,6-1,6-4 |
| ITF Turkey F13 | 2018/03/31 06:30 | Davydov, Ivan v Boerma, Pelle | 6-4,6-3 |
| ITF Portugal F6 Qual | 2018/03/26 11:50 | Stanek, Robin v Boerma, Pelle | 6-1,6-4 |
| ITF Portugal F6 Qual | 2018/03/25 09:00 | Boerma, Pelle v Almeida, Tomas | 3-6,7-6,6-3 |
| ITF Portugal F5 Qual | 2018/03/19 10:00 | Johan Nikles v Boerma, Pelle | 6-3,6-4 |
| ITF Portugal F5 Qual | 2018/03/18 11:30 | Francisco Oliveira v Boerma, Pelle | 6-1,5-7,4-6 |
| Portugal F4, Singles Qualifying | 2018/03/10 11:00 | van Der Horst, Tim v Boerma, Pelle | 6-2,6-3 |
| ITF Portugal F2 Qual | 2018/02/24 10:00 | Boerma, Pelle v Afonso Portugal | 1-6,6-7 |
| ITF Portugal F1 | 2018/02/17 10:00 | Boerma, Pelle v Rodrigues, Pedro Gabriel | 1-6,6-3,3-6 |