Stadium: H Round: 44 Ground: Clay
| ITF Austria F3 | 2018/07/16 12:45 | Vejvara, Lukas v Schmidt, Gabriel | 5-7,4-6 |
| ITF Austria F3 | 2018/07/15 08:00 | Neil Oberleitner v Vejvara, Lukas | 3-6,2-6 |
| ITF Austria F3 | 2018/07/14 12:30 | Aplienz, Philip v Vejvara, Lukas | 4-6,2-6 |
| ITF Austria F3 | 2018/07/14 07:15 | Vejvara, Lukas v Jonathan Stenberg | 7-5,4-6,6-3 |
| ITF Czech Republic F3 Qual | 2018/05/27 08:00 | Stepanek, Antonin v Vejvara, Lukas | 6-4,7-5 |
| ITF Czech Republic F2 Qual | 2018/05/21 08:00 | Vejvara, Lukas v Simon Beaupain | 4-6,4-6 |
| ITF Czech Republic F2 Qual | 2018/05/20 08:00 | Vejvara, Lukas v Dusek, Ondrej | 6-1,6-4 |
| Tunisia F16, Singles Qualifying | 2018/04/23 09:00 | Vejvara, Lukas v Tiran Sanghera | 4-6,6-3,3-6 |
| ITF Italy F9 | 2018/05/13 10:00 | Battaglino, Stefano v Pasquale De Giorgio | 3-6,4-6 |
| ITF Tunisia F12 | 2018/03/25 08:30 | Gabrieli, Tommaso v Battaglino, Stefano | 6-3,6-1 |
| ITF Tunisia F12 | 2018/03/24 13:30 | Alex Jones v Battaglino, Stefano | 0-6,2-6 |
| ITF Tunisia F11 | 2018/03/18 10:30 | Mertens, Nico v Battaglino, Stefano | 7-6,6-1 |
| ITF Tunisia F11 | 2018/03/17 12:00 | Fellin, Manfred v Battaglino, Stefano | 2-6,0-6 |
| Tunisia F3, Singles Qualifying | 2018/01/23 08:30 | Battaglino, Stefano v Carli, Christian | 6-4,3-6,4-6 |
| ITF Tunisia F2 | 2018/01/15 12:00 | Bondarevskiy, Yan v Battaglino, Stefano | 6-2,6-4 |
| ITF Tunisia F2 | 2018/01/15 08:00 | Battaglino, Stefano v Dorozhkin, Sergey | 6-0,6-3 |