Stadium: Hard Court 5 Round: 44 Ground: Hardcourt outdoor
| ITF Turkey F1 | 2018/01/07 07:30 | Sieber, Marc v 오노, 마사요시 | 6-2,6-2 |
| Challenger Bratislava Qual | 2017/11/05 09:00 | 칼레니첸코, 다닐로 v Sieber, Marc | 7-6,6-3 |
| Challenger Bratislava Qual | 2017/11/04 09:00 | 셀리크빌레크, 알투그 v Sieber, Marc | 7-5,1-6,0-6 |
| Eckental, Germany, Qualifying | 2017/10/30 11:20 | 케른, 로빈 v Sieber, Marc | 6-4,6-2 |
| Eckental, Germany, Qualifying | 2017/10/29 16:10 | 차치치, 니콜라 v Sieber, Marc | 2-6,6-3,1-6 |
| Eckental, Germany, Qualifying | 2017/10/28 17:10 | Kapas, Andriej v Sieber, Marc | 6-4,4-6,3-6 |
| Brest, France, Qualifying | 2017/10/22 14:45 | 아르나볼디, 안드레아 v Sieber, Marc | 1-6,6-3,6-3 |
| Brest, France, Qualifying | 2017/10/21 10:55 | 베가 헤르난데스, 데이비드 v Sieber, Marc | 2-6,4-6 |
| ITF Turkey F1 | 2018/01/07 07:30 | Valentsev, Nikita v 보자노비치, 달코 | 5-7,2-6 |
| Turkey F48, Singles | 2017/12/19 08:00 | 반 빔, 콜린 v 보자노비치, 달코 | 6-2,6-2 |
| ITF Turkey F47 | 2017/12/14 10:00 | 보자노비치, 달코 v 로드리구에즈, 크리스티안 (COL) | 4-6,4-6 |
| ITF Turkey F47 | 2017/12/12 10:20 | 보스웰 P, 피터 v 보자노비치, 달코 | 4-6,3-6 |
| Turkey F47, Singles Qualifying | 2017/12/11 08:30 | 보자노비치, 달코 v Vladusic, Nenad | 6-3,4-6,6-1 |
| Turkey F47, Singles Qualifying | 2017/12/10 07:15 | 보자노비치, 달코 v Petrov, Pavel | 6-1,6-2 |
| Turkey F45, Singles Qualifying | 2017/11/29 11:50 | 보자노비치, 달코 v 엘러, 알렉산델 | 1-6,3-6 |
| ITF Turkey F45 Qual | 2017/11/28 10:30 | 보자노비치, 달코 v 팔라조브, 즐라탄 | 6-2,2-6,6-4 |