Stadium: Clay Court 1 Round: 25 Ground: Hardcourt outdoor
| ATP Stockholm | 2018/10/14 13:55 | Julien Benneteau v Ivan Nedelko | 6-4,6-2 |
| Challenger Tashkent | 2018/10/08 09:40 | Mirza Basic v Ivan Nedelko | 7-5,6-4 |
| Challenger Almaty 2 | 2018/10/01 06:00 | Ivan Nedelko v Denis Yevseyev | 4-6,6-4,4-6 |
| ATP Chengdu | 2018/09/22 10:00 | Lloyd Harris v Ivan Nedelko | 6-2,7-5 |
| ATP St Petersburg | 2018/09/16 12:20 | Ivan Nedelko v Adrian Menendez-Maceiras | 2-6,3-6 |
| Challenger Banja Luka | 2018/09/10 12:25 | Oriol Roca Batalla v Ivan Nedelko | 6-0,6-4 |
| Challenger Seville | 2018/09/03 10:00 | Ivan Nedelko v Kamil Majchrzak | 4-6,3-6 |
| US Open | 2018/08/21 19:20 | Ivan Nedelko v Egor Gerasimov | 4-6,4-6 |
| ITF Turkey F32 | 2018/10/20 07:00 | Gabriel Donev v Riccardo Bonadio | 4-6,6-7 |
| ITF Turkey F32 | 2018/10/18 07:00 | Gabriel Donev v Nik Razborsek | 6-4,6-4 |
| ITF Turkey F32 | 2018/10/16 07:00 | Gabriel Donev v Razvan M Codescu | 6-1,6-2 |
| ITF Turkey F32 | 2018/10/15 07:00 | Gabriel Donev v Plamen Milushev | 6-4,6-3 |
| ITF Turkey F32 | 2018/10/14 07:00 | Gabriel Donev v Vincentiu A Niculescu | 2-6,6-1,6-3 |
| ITF Serbia F3 | 2018/08/24 08:00 | Yanais Laurent v Gabriel Donev | 6-4,3-6,7-5 |
| ITF Serbia F3 | 2018/08/23 09:35 | James Frawley v Gabriel Donev | 4-6,1-6 |
| ITF Serbia F3 | 2018/08/22 08:00 | Gabriel Donev v Darko Jandric | 6-7,6-1,6-3 |