Stadium: Court 2 Round: 54 Ground: Hardcourt indoor
| ITF Sweden F4 | 2018/09/25 14:50 | Jonathan Stenberg v Jonathan Mridha | 2-6,3-6 |
| ITF Sweden F4 | 2018/09/23 10:40 | Jonathan Stenberg v Arslanbek Temirhanov | 6-0,6-4 |
| ITF Sweden F4 | 2018/09/22 12:35 | Jonathan Stenberg v Karl Fredrik Utheim | 6-1,6-2 |
| ITF Austria F5 | 2018/07/31 08:00 | Jonathan Stenberg v Sven Lah | 1-6,2-6 |
| ITF Austria F4 Qual | 2018/07/21 10:00 | Jonathan Stenberg v Stefano Battaglino | 1-6,7-6,3-6 |
| ITF Austria F3 | 2018/07/14 07:15 | Lukas Vejvara v Jonathan Stenberg | 7-5,4-6,6-3 |
| ITF Austria F2 | 2018/07/09 12:00 | Johannes Haerteis v Jonathan Stenberg | 6-1,7-5 |
| ITF Austria F2 | 2018/07/08 08:00 | Jonathan Stenberg v Jonathan Morr | 5-7,4-6 |
| ITF Sweden F4 | 2018/09/23 09:00 | Christoffer Solberg v Erik Grevelius | 6-3,6-7,7-6 |
| ITF Sweden F4 | 2018/09/22 10:30 | Erik Grevelius v Alexander Georg Mandma | 6-4,6-4 |