Stadium: Court 2 Round: 25 Ground: Clay
| Turkey F17, Singles Qualifying | 2018/04/30 07:30 | Voinea, Christian v Lazar Vojinovic | 6-3,7-6 |
| Turkey F17, Singles Qualifying | 2018/04/29 07:30 | Kristjan Tamm v Voinea, Christian | 3-6,6-4,4-6 |
| Turkey F17, Singles Qualifying | 2018/04/28 07:30 | Voinea, Christian v Evloev, T. | 7-6,6-2 |
| ITF Italy F5 Qual | 2018/03/27 09:30 | Borsos, Gabor v Voinea, Christian | 6-0,6-4 |
| ITF Turkey F1 | 2018/01/06 08:00 | Amar, Ran v Voinea, Christian | 7-6,7-6 |
| ITF Turkey F48 Qual | 2017/12/16 07:15 | Voinea, Christian v Bonetta, Dino | 6-3,7-6 |
| ITF Turkey F44 | 2017/11/18 06:45 | Guberman, Yaron v Voinea, Christian | 6-4,6-4 |
| ITF Tunisia F33 | 2017/10/29 09:00 | Matteo De Vincentis v Voinea, Christian | 6-3,5-7,6-2 |
| Turkey F16, Singles Qualifying | 2018/04/24 09:20 | Prechtel, Sebastian v Giacalone, Omar | 6-4,2-6,0-6 |
| Turkey F16, Singles Qualifying | 2018/04/23 07:30 | Prechtel, Sebastian v Cengiz Aksu | 1-6,6-4,7-5 |
| Turkey F16, Singles Qualifying | 2018/04/22 07:30 | Prechtel, Sebastian v Yulik, Viacheslav | 6-2,6-2 |
| Turkey F16, Singles Qualifying | 2018/04/21 09:30 | Prechtel, Sebastian v Zhao, Lingxi | 7-6,6-1 |
| ITF Portugal F8 | 2018/04/18 10:00 | Prechtel, Sebastian v Gregoire Barrere | 2-6,6-3,4-6 |
| ITF Portugal F8 Qual | 2018/04/16 16:05 | Prechtel, Sebastian v Alves, Simao | 6-2,5-7,6-4 |
| ITF Portugal F7 | 2018/04/11 09:00 | Prechtel, Sebastian v Niesten, Miliaan | 6-7,2-6 |
| ITF Portugal F7 Qual | 2018/04/09 13:10 | Prechtel, Sebastian v Mora, Maxime | 7-6,6-4 |