Round: 26 Ground: Hardcourt outdoor
| Challenger Fergana | 2018/06/19 06:55 | Ivan Nedelko v Sanjar Fayziev | 5-7,6-3,7-6 |
| Challenger Almaty | 2018/06/11 06:40 | Ante Pavic v Ivan Nedelko | 6-1,6-3 |
| Challenger Shymkent | 2018/06/05 04:00 | Ivan Nedelko v Denis Yevseyev | 7-5,6-3 |
| ITF Uganda F4 | 2018/05/27 08:00 | Ivan Nedelko v Tyler Lu | 6-4,6-4 |
| ITF Uganda F4 Qual | 2018/05/24 10:20 | Ivan Nedelko v Marco Miceli | 6-1,6-1 |
| ITF Uganda F4 Qual | 2018/05/23 08:00 | Ivan Nedelko v Ranjeet Virali-Murugesan | 6-2,6-4 |
| ITF Uganda F4 Qual | 2018/05/22 07:55 | Ivan Nedelko v Vasisht Cheruku | 6-2,6-2 |
| ITF Uganda F3 | 2018/05/19 11:00 | Ivan Nedelko v David Perez Sanz | 6-0,6-3 |
| Challenger Fergana | 2018/06/19 07:55 | Rubin Statham v Shuichi Sekiguchi | 6-1,6-7,2-6 |
| Challenger Fergana Qual | 2018/06/18 05:00 | Roman Safiullin v Shuichi Sekiguchi | 4-6,6-2,4-6 |
| Challenger Fergana Qual | 2018/06/17 06:25 | Altug Celikbilek v Shuichi Sekiguchi | 2-6,1-6 |
| Challenger Fergana Qual | 2018/06/16 09:40 | Shuichi Sekiguchi v Gerard Granollers-Pujol | 6-1,6-4 |
| Challenger Almaty Qual | 2018/06/10 04:30 | Shuichi Sekiguchi v Joao Menezes | 6-3,3-6,6-7 |
| Challenger Almaty Qual | 2018/06/09 04:00 | Shuichi Sekiguchi v Timur Maulenov | 7-5,6-3 |
| 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 |