Stadium: Court 2 Round: 45 Ground: Clay
| ITF Austria F4 Qual | 2018/07/21 10:00 | Kramer, Andreas v Ren Nakamura | 6-3,6-4 |
| ITF Guam F1 | 2018/06/18 02:10 | Ehara, Hiroyasu v Ren Nakamura | 6-4,6-4 |
| ITF Tunisia F21 | 2018/05/26 10:00 | Ren Nakamura v Modica, Sacha | 3-6,2-6 |
| ITF Tunisia F20 | 2018/05/23 11:55 | Ren Nakamura v Gueydan, Quentin | 3-6,0-6 |
| ITF Tunisia F20 | 2018/05/20 09:00 | Vejnovic, Marko v Ren Nakamura | 3-6,5-7 |
| ITF Tunisia F20 | 2018/05/19 09:00 | Johnson, Connor v Ren Nakamura | 1-6,3-6 |
| Tunisia F19, Singles Qualifying | 2018/05/17 09:00 | Mladenov, Vasko v Ren Nakamura | 6-4,6-2 |
| Tunisia F19, Singles Qualifying | 2018/05/15 10:30 | Khomich, Aleksei v Ren Nakamura | 3-6,3-6 |
| ITF Austria F3 | 2018/07/14 07:15 | Bangratz, Johannes v Leuch, Vital Flurin | 3-6,6-1,6-3 |
| ITF Austria F2 | 2018/07/07 12:30 | Schranz, Bernie v Leuch, Vital Flurin | 6-2,6-1 |
| ITF Austria F2 | 2018/07/07 07:15 | Leuch, Vital Flurin v Vujic, Marko | 6-4,7-5 |
| ITF Austria F1 | 2018/06/30 11:00 | Lah, Sven v Leuch, Vital Flurin | 6-1,6-0 |
| ITF Austria F1 | 2018/06/30 07:00 | Leuch, Vital Flurin v Romay, Alexander | 6-7,6-3,6-3 |
| Turkey F17, Singles Qualifying | 2018/04/28 07:30 | Leuch, Vital Flurin v Cmager, Nick | 3-6,1-6 |
| Turkey F16, Singles Qualifying | 2018/04/21 09:30 | Leuch, Vital Flurin v Frost, Linus | 1-6,0-6 |
| Turkey F15, Singles Qualifying | 2018/04/14 09:30 | Erdbories, Tillmann v Leuch, Vital Flurin | 7-6,7-5 |