Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF Nigeria F3 Qual | 2018/04/29 09:00 | Kazuma Kawachi v Rishabdev Raman | 6-1,7-5 |
| ITF Nigeria F2 Qual | 2018/04/22 10:25 | Kazuma Kawachi v Alexandru Danes | 6-3,3-6,1-6 |
| ITF Nigeria F2 Qual | 2018/04/21 09:00 | Kazuma Kawachi v Dustin Goldenberg | 1-6,6-1,6-0 |
| ITF Nigeria F1 | 2018/04/16 10:00 | Kazuma Kawachi v Maximilian Neuchrist | 4-6,4-6 |
| ITF Japan F5 | 2018/04/02 04:00 | Chuhan Wang v Kazuma Kawachi | 6-4,6-3 |
| ITF Japan F5 | 2018/04/01 00:30 | Ko Suzuki v Kazuma Kawachi | 4-6,4-6 |
| ITF Australia F4 | 2018/03/27 01:35 | Kazuma Kawachi v Andrew Whittington | 2-6,3-6 |
| ITF Australia F3 | 2018/03/21 00:25 | Kazuma Kawachi v Mustafa Ibraimi | 6-2,5-7,3-6 |
| ITF Nigeria F2 | 2018/04/24 11:00 | Karim-Mohamed Maamoun v Joao Menezes | 3-6,0-6 |
| Davis Cup | 2018/04/07 10:00 | Frederik Nielsen v Karim-Mohamed Maamoun | 6-3,3-6,6-7 |
| ITF Portugal F6 | 2018/03/29 14:40 | Karim-Mohamed Maamoun v Robin Stanek | 6-7,1-6 |
| ITF Portugal F6 | 2018/03/28 09:30 | Karim-Mohamed Maamoun v Tobias Simon | 6-1,6-1 |
| ITF Portugal F6 | 2018/03/27 09:00 | Karim-Mohamed Maamoun v Vullnet Tashi | 6-3,4-6,6-1 |
| ITF Portugal F5 Qual | 2018/03/22 10:00 | Karim-Mohamed Maamoun v Romain Barbosa | 6-3,2-6,6-7 |
| ITF Portugal F5 | 2018/03/21 17:05 | Karim-Mohamed Maamoun v Daniel Rodrigues | 6-2,6-2 |
| ITF Egypt F9 | 2018/03/14 08:00 | Karim-Mohamed Maamoun v Dominic Weidinger | 6-1,6-1 |