Stadium: Court 3 Round: 26 Ground: Clay
| Challenger Portoroz | 2017/08/09 15:40 | Sven Lah v Franko Skugor | 6-7,3-6 |
| Challenger Portoroz | 2017/08/07 17:00 | Sven Lah v Ruben Ramirez-Hidalgo | 6-4,6-4 |
| ITF Austria F5 | 2017/08/02 09:45 | Bogdan Bobrov v Sven Lah | 7-5,3-6,6-2 |
| ITF Austria F5 | 2017/07/31 10:10 | Goran Radanovic v Sven Lah | 1-6,3-6 |
| ITF Austria F5 | 2017/07/30 08:00 | Johannes Bangratz v Sven Lah | 2-6,0-6 |
| ITF Austria F5 | 2017/07/29 07:00 | Tino Kovacic v Sven Lah | 4-6,3-6 |
| ITF Austria F4 Qual | 2017/07/23 12:00 | Alen Rogic-Hadzalic v Sven Lah | 7-6,7-5 |
| ITF Austria F3 | 2017/07/18 11:20 | Sven Lah v Fernando Yamacita | 5-7,7-6,3-6 |
| ITF Tunisia F11 | 2018/03/22 10:25 | Tomislav Jotovski v Duje Kekez | 6-3,4-6,4-6 |
| ITF Tunisia F11 | 2018/03/20 11:15 | Tomislav Jotovski v Jordi Munoz-Abreu | 6-4,6-2 |
| ITF Tunisia F10 | 2018/03/13 08:30 | Hernan Casanova v Tomislav Jotovski | 3-6,6-2,6-2 |
| ITF Croatia F1 | 2018/03/10 09:00 | Tomislav Jotovski v Mate Delic | 3-6,1-6 |
| ITF Croatia F1 | 2018/03/09 13:30 | Zdenek Kolar v Tomislav Jotovski | 2-6,2-6 |
| ITF Croatia F1 | 2018/03/08 11:00 | Tomislav Jotovski v Bruno Santanna | 6-3,0-6,7-6 |
| ITF Tunisia F3 | 2018/01/25 10:30 | Tomislav Jotovski v Pol Toledo Bague | 1-6,2-6 |
| ITF Tunisia F3 | 2018/01/23 10:30 | Shunsuke Wakita v Tomislav Jotovski | 2-6,3-6 |