Round: 54 Ground: Hardcourt indoor
| ITF Sweden F4 | 2018/09/22 13:40 | Eric Ahren Moonga v Carl Gustafsson | 6-3,6-2 |
| ITF Sweden F1 | 2018/05/08 09:40 | Carl Gustafsson v Fred Simonsson | 2-6,3-6 |
| ITF Sweden F1 Qual | 2018/05/06 09:10 | Jonathan Stenberg v Carl Gustafsson | 4-6,6-1,3-6 |
| ITF Sweden F1 Qual | 2018/05/05 08:00 | Melker Isaksson v Carl Gustafsson | 3-6,4-6 |