Stadion: Court 6 Round: 62
| ITF - Marokko F4 | 2017/10/28 12:00 | Kaptan Kaster v Nicolas Uryson | 2-6,4-6 |
| ITF - Spanien F33 | 2017/10/08 13:00 | Sergi Perez Contri v Kaptan Kaster | 6-2,6-4 |
| ITF - Spanien F33 | 2017/10/07 11:30 | Kaptan Kaster v Pol Fernandez | 6-7,7-6,6-3 |
| ITF - Portugal F21 | 2017/10/02 11:30 | Daniel Kopeinigg v Kaptan Kaster | 6-1,6-2 |
| ITF - Portugal F20 - Qualifikation | 2017/09/24 12:00 | Ivan Marrero Curbelo v Kaptan Kaster | 6-4,7-5 |
| ITF - Portugal F19 | 2017/09/20 11:30 | Kaptan Kaster v Pablo Vivero Gonzalez | 2-6,1-6 |
| ITF - Portugal F19 | 2017/09/18 10:00 | Patrick Mayer v Kaptan Kaster | 6-7,6-1,4-6 |
| ITF - Portugal F19 | 2017/09/17 10:00 | Kaptan Kaster v Henrique Brancal | 3-6,6-1,6-1 |
| ITF - USA F17 - Qualifikation | 2018/06/26 15:00 | Matic Spec v Alexander Cozbinov | 7-6,6-4 |
| ITF - USA F17 - Qualifikation | 2018/06/25 17:00 | Leighton Allen v Alexander Cozbinov | 3-6,6-7 |
| ITF - USA F2 - Qualifikation | 2018/01/07 19:00 | Patrick Kypson v Alexander Cozbinov | 6-4,4-6,6-4 |
| ITF - USA F2 - Qualifikation | 2018/01/06 18:00 | Alexander Cozbinov v Tristan Boyer | 7-6,4-6,6-3 |
| ITF - USA F1 - Qualifikation | 2017/12/30 20:30 | Logan Smith v Alexander Cozbinov | 6-1,7-5 |
| Challenger - Las Vegas | 2017/10/17 18:00 | Alexander Cozbinov v Jan Choinski | 6-4,4-6,4-6 |
| ITF - USA F30 | 2017/09/12 17:00 | Alexander Cozbinov v Tristan Boyer | 4-6,6-0,6-3 |
| ITF - USA F30 | 2017/09/11 16:00 | Alexander Cozbinov v Timothy Sah | 3-6,7-6,6-3 |