Round: 54 Ground: Clay
| ITF Sweden F1 | 2018/05/08 12:20 | Mayer, Patrick v Appelgren, Daniel | 3-6,4-6 |
| ITF Sweden F1 Qual | 2018/05/06 08:00 | Mayer, Patrick v Johan Claesson | 6-4,6-4 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Mayer, Patrick v Perkkola, Ville | 6-0,6-0 |
| ITF France F7 Qual | 2018/04/14 10:30 | Alexis Boureau v Mayer, Patrick | 6-4,6-1 |
| ITF Bahrain F1 | 2018/03/20 08:00 | Mayer, Patrick v Vladyslav Orlov | 4-6,5-7 |
| ITF Bahrain F1 Qual | 2018/03/18 13:30 | Mayer, Patrick v Dusan Lojda | 6-2,6-1 |
| Portugal F4, Singles Qualifying | 2018/03/11 11:30 | Boyer, Dusty H v Mayer, Patrick | 6-7,6-2,6-2 |
| Portugal F4, Singles Qualifying | 2018/03/10 12:30 | Leote Prata, Martim v Mayer, Patrick | 6-7,2-6 |