| ITF Ukraine F5 | 09/03 07:00 | 44 | Daniil Klimov v Sergiy Sergiienko | 6-4,6-4 | |
| ITF Ukraine F4 | 08/29 12:55 | 25 | Samuel Hodor v Sergiy Sergiienko | 6-0,6-2 | |
| ITF Ukraine F4 | 08/27 13:00 | 62 | Denys Gevel v Sergiy Sergiienko | 7-5,3-6,3-6 | |
| ITF Ukraine F4 | 08/26 13:00 | 62 | Sergiy Sergiienko v Maksim Zubkou | 7-6,6-3 | |
| ITF Ukraine F3 | 05/21 07:00 | 44 | Roman Boychuk v Sergiy Sergiienko | 6-2,1-6,6-4 | |
| ITF Ukraine F2 | 05/14 06:30 | 44 | Sergiy Sergiienko v Georgii Kravchenko | 4-6,6-3,3-6 | |
| ITF Ukraine F1 | 05/09 06:30 | 44 | Danylo Veremeychuk v Sergiy Sergiienko | 7-6,4-6,6-4 | |
| ITF Greece F6 | 04/23 11:30 | 62 | Sergiy Sergiienko v Daniel Hobart | 3-6,4-6 | |
| ITF Egypt F10 | 03/19 11:30 | 44 | Yurii Dzhavakian v Sergiy Sergiienko | 6-1,6-3 | |
| ITF Egypt F9 | 03/12 08:00 | 62 | Sergiy Sergiienko v Hady Habib | 3-6,6-7 | |
| ITF Egypt F8 | 03/06 12:00 | 62 | Sergiy Sergiienko v Roman Khassanov | 1-6,4-6 | |
| ITF Egypt F8 | 03/05 12:30 | 62 | Dmitry Resnyanskiy v Sergiy Sergiienko | 3-6,3-6 | |
| ITF Czech Republic F8 Qual | 11/30 13:25 | 54 | Pavel Motl v Sergiy Sergiienko | 6-3,6-3 | |
| ITF Czech Republic F7 Qual | 11/23 11:20 | 54 | Sergiy Sergiienko v Vit Kopriva | 6-7,1-6 | |
| ITF Ukraine F6 | 10/11 09:30 | 62 | Sergiy Sergiienko v Alexander Lebedyn | 3-6,0-6 | |
| ITF Ukraine F6 | 10/10 11:00 | 62 | Sergiy Sergiienko v Oleg Koval | 6-2,6-3 | |
| ITF Ukraine F5 | 10/04 09:30 | 62 | Maxim Bulat v Sergiy Sergiienko | 6-7,6-0,6-4 | |
| ITF Germany F10 Qual | 08/02 08:00 | 62 | Benjamin Hassan v Sergiy Sergiienko | 6-4,7-6 | |
| ITF Germany F9 | 07/28 12:00 | 25 | Sergiy Sergiienko v George Von Massow | 6-3,2-6,2-6 | |
| ITF Germany F9 | 07/27 11:00 | - | Vincent Van Den Honert v Sergiy Sergiienko | 6-2,6-0 | |
| ITF Germany F9 | 07/27 09:00 | - | Linus Krohn v Sergiy Sergiienko | 1-6,2-6 | |
| ITF Ukraine F3 | 05/24 07:00 | - | Sergiy Sergiienko v Esteban Bruna | 3-6,4-6 | |
| ITF Ukraine F3 | 05/23 09:00 | - | Vladyslav Orlov v Sergiy Sergiienko | 4-6,0-6 | |
| ITF Ukraine F2 | 05/19 09:00 | - | Sergiy Sergiienko v Maxime Janvier | 2-6,1-6 | |
| ITF Ukraine F2 | 05/18 07:00 | - | Olexiy Kolisnyk v Sergiy Sergiienko | 3-6,6-3,3-6 | |
| ITF Ukraine F1 | 05/12 08:40 | - | Roman Khassanov v Sergiy Sergiienko | 6-1,6-1 | |
| ITF Egypt F33 | 04/30 09:30 | - | Sergiy Sergiienko v Karim-Mohamed Maamoun | 2-6,1-6 | |
| ITF Egypt F33 | 04/28 08:00 | - | Alex Blumenberg v Sergiy Sergiienko | 6-7,6-2,4-6 | |
| ITF Egypt F33 | 04/22 10:00 | - | Henrik Sillanpaa v Sergiy Sergiienko | 4-6,7-5,6-0 | |
| ITF Egypt F33 | 04/20 08:00 | - | Sergiy Sergiienko v Szymon Walkow | 3-6,6-3,6-2 |