Round: 62 Ground: Clay
| ITF Austria F1 | 2018/06/30 11:00 | Jonathan Stenberg v Laurin Aerne | 0-6,6-7 |
| ITF Sweden F3 | 2018/05/23 09:15 | Manuel Guinard v Jonathan Stenberg | 6-0,6-0 |
| ITF Sweden F3 | 2018/05/22 11:35 | Milos Sekulic v Jonathan Stenberg | 6-7,6-7 |
| ITF Sweden F3 Qual | 2018/05/20 09:00 | Robin Thour v Jonathan Stenberg | 6-4,5-7,5-7 |
| ITF Sweden F3 Qual | 2018/05/19 10:40 | Kevin Kylar v Jonathan Stenberg | 3-6,5-7 |
| ITF Sweden F2 | 2018/05/16 11:55 | Jonathan Stenberg v George Botezan | 1-6,4-6 |
| ITF Sweden F2 | 2018/05/14 11:25 | Jonathan Stenberg v Adam Heinonen | 3-6,6-1,6-3 |
| ITF Sweden F2 Qual | 2018/05/13 10:15 | Jakob Arvidsson Ehn v Jonathan Stenberg | 2-6,3-6 |
| ITF Austria F1 | 2018/06/30 09:30 | Laurin Aerne v Christian Fellin | 6-4,6-1 |