Stadium: Court 1 Round: 45 Ground: Clay
| Challenger Shymkent Qual | 2018/06/03 04:00 | Shuichi Sekiguchi v Steven Diez | 1-6,4-6 |
| Challenger Shymkent Qual | 2018/06/02 04:00 | Robin Kern v Shuichi Sekiguchi | 4-6,2-6 |
| Challenger Mestre Qual | 2018/05/19 14:35 | Shuichi Sekiguchi v Riccardo Bonadio | 1-6,2-6 |
| Challenger Samarkand Qual | 2018/05/12 07:50 | Shuichi Sekiguchi v Mukund Sasikumar | 4-6,6-7 |
| Challenger Karshi | 2018/05/08 05:00 | Shuichi Sekiguchi v Aldin Setkic | 1-6,5-7 |
| Challenger Karshi Qual | 2018/05/07 05:30 | Shuichi Sekiguchi v N. Vijay Sundar Prashanth | 6-7,6-4,7-6 |
| Challenger Karshi Qual | 2018/05/06 06:00 | Yaraslav Shyla v Shuichi Sekiguchi | 6-3,1-6,2-6 |
| Challenger Karshi Qual | 2018/05/05 06:35 | Shuichi Sekiguchi v Mikhail Fufygin | 4-6,6-4,6-1 |
| ITF Turkey F21 Qual | 2018/05/26 10:00 | Igor Saveljic v Timur Maulenov | 6-3,6-4 |
| ITF Turkey F20 Qual | 2018/05/21 07:30 | Timur Maulenov v Edward Hubner | 1-6,3-6 |
| ITF Turkey F20 Qual | 2018/05/20 07:30 | Amaury Delmas v Timur Maulenov | 7-6,2-6,1-6 |
| ITF Turkey F20 Qual | 2018/05/19 07:30 | Leonardo S Frederico v Timur Maulenov | 3-6,7-5,4-6 |
| ITF Turkey F19 Qual | 2018/05/13 07:30 | Shahin Khaledan v Timur Maulenov | 7-5,4-6,6-0 |
| ITF Kazakhstan F5 | 2018/04/24 07:05 | Timur Maulenov v Denis Yevseyev | 4-6,1-6 |
| ITF Kazakhstan F4 Qual | 2018/04/16 06:30 | Vladislav Dubinsky v Timur Maulenov | 6-4,6-4 |
| ITF Kazakhstan F4 Qual | 2018/04/14 10:25 | Timur Maulenov v Nikita Kashirin | 6-4,6-3 |