Stadium: Court 4 Round: 54 Ground: Hardcourt indoor
| 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 Austria F2 | 2018/07/07 08:00 | Jonathan Stenberg v Christian Fellin | 6-1,6-0 |
| ITF Austria F1 | 2018/06/30 11:00 | Jonathan Stenberg v Laurin Aerne | 0-6,6-7 |
| ITF Sweden F4 | 2018/09/22 15:25 | Arslanbek Temirhanov v Johan Claesson | 6-1,6-7,6-3 |