Round: 44 Ground: Clay
| ITF Portugal F3 | 2018/03/07 10:00 | Severino, Carlos Eduardo v Cordonnier, Gregorio | 6-3,6-3 |
| ITF Portugal F3 | 2018/03/05 17:00 | Cordonnier, Gregorio v Hinojosa, Santiago | 2-6,7-5,6-2 |
| ITF Turkey F48 Qual | 2017/12/19 06:45 | Cordonnier, Gregorio v Krolik, Patryk | 6-7,7-6,2-6 |
| ITF Turkey F48 Qual | 2017/12/17 07:45 | Egor Matvievici v Cordonnier, Gregorio | 3-6,3-6 |
| ITF Turkey F47 Qual | 2017/12/10 09:00 | Cordonnier, Gregorio v Vidak, Antun | 5-7,2-6 |
| ITF Turkey F47 Qual | 2017/12/09 06:45 | Cordonnier, Gregorio v Katic, Nikolaj | 6-7,6-4,6-2 |
| ITF Turkey F46 Qual | 2017/12/03 07:15 | Manole, Alexandru Vasile v Cordonnier, Gregorio | 6-0,6-3 |
| ITF Turkey F46 Qual | 2017/12/02 06:45 | Cordonnier, Gregorio v Tarsunov, Ilia | 6-1,6-0 |
| ITF Germany F4 | 2018/06/17 12:00 | Klimov, Daniil v Mayer, Patrick | 6-2,7-6 |
| ITF Germany F4 | 2018/06/16 10:30 | Mayer, Patrick v Prehn, Noah | 6-1,6-1 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Davydenko, Philipp v Mayer, Patrick | 6-1,6-2 |
| ITF Czech Republic F3 Qual | 2018/05/26 09:00 | Mayer, Patrick v Matteo Meneghetti | 6-1,6-0 |
| ITF Sweden F3 Qual | 2018/05/20 10:30 | Solberg, Christoffer v Mayer, Patrick | 6-3,6-4 |
| ITF Sweden F2 Qual | 2018/05/13 11:55 | Mayer, Patrick v Ruzgas, Marius | 4-6,2-6 |
| ITF Sweden F2 Qual | 2018/05/12 12:00 | Mayer, Patrick v Carlsten, Erik | 6-2,6-2 |
| ITF Sweden F1 | 2018/05/08 12:20 | Mayer, Patrick v Appelgren, Daniel | 3-6,4-6 |