Stadium: Hard Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF Turkey F1 | 2018/01/08 07:30 | Sieber, Marc v Bojanovic, Darko | 6-1,6-0 |
| ITF Turkey F1 | 2018/01/07 07:30 | Sieber, Marc v Ono, Masayoshi | 6-2,6-2 |
| Challenger Bratislava Qual | 2017/11/05 09:00 | Kalenichenko, Danylo v Sieber, Marc | 7-6,6-3 |
| Challenger Bratislava Qual | 2017/11/04 09:00 | Altug Celikbilek v Sieber, Marc | 7-5,1-6,0-6 |
| Challenger Eckental Qual | 2017/10/30 11:20 | Kern, Robin v Sieber, Marc | 6-4,6-2 |
| Challenger Eckental Qual | 2017/10/29 16:10 | Cacic, Nikola v Sieber, Marc | 2-6,6-3,1-6 |
| Challenger Eckental Qual | 2017/10/28 17:10 | Kapas, Andriej v Sieber, Marc | 6-4,4-6,3-6 |
| Brest, France, Qualifying | 2017/10/22 14:45 | Arnaboldi, Andrea v Sieber, Marc | 1-6,6-3,6-3 |
| ITF Pakistan F3 | 2017/12/19 06:35 | Alekseenko, Vadim v Lopez Perez | 0-6,5-7 |
| Pakistan F2, Singles | 2017/12/13 10:20 | Anand, Kunal v Alekseenko, Vadim | 7-5,7-5 |
| ITF Pakistan F1 | 2017/12/05 08:45 | Kelsey Stevenson v Alekseenko, Vadim | 6-4,7-6 |
| ITF Turkey F44 | 2017/11/23 07:15 | Alekseenko, Vadim v Nejedly, Pavel | 4-6,6-4,1-6 |
| ITF Turkey F44 | 2017/11/22 09:05 | Zednik, Jan v Alekseenko, Vadim | 6-1,3-6,2-6 |
| ITF Turkey F43 | 2017/11/15 06:45 | Rochette, Laurent v Alekseenko, Vadim | 6-4,6-3 |
| ITF Turkey F42 | 2017/11/08 07:15 | Hong Kit Wong v Alekseenko, Vadim | 6-2,6-4 |
| ITF Turkey F42 | 2017/11/06 09:00 | Alekseenko, Vadim v Krohn, Linus | 1-6,6-3,7-6 |