Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Challenger Bangkok | 2018/01/04 04:55 | Goncalo Oliveira v Aleksandr Nedovyesov | 4-6,3-6 |
| Challenger Shenzhen 2 | 2018/10/29 02:30 | Goncalo Oliveira v Haitong Xia | 6-2,6-1 |
| Challenger Shenzhen 2 | 2018/10/28 04:00 | Goncalo Oliveira v Fajing Sun | 7-6,7-5 |
| Challenger Shenzhen 2 | 2018/10/27 08:25 | Goncalo Oliveira v Yecong He | 6-0,6-3 |
| Challenger Liuzhou | 2018/10/23 02:00 | Goncalo Oliveira v Zhe Li | 6-1,6-7,4-6 |
| Challenger Ningbo | 2018/10/15 04:00 | Zhe Li v Goncalo Oliveira | 4-6,7-6,6-3 |
| Challenger Tashkent | 2018/10/10 07:35 | Mirza Basic v Goncalo Oliveira | 7-5,7-6 |
| Challenger Tashkent | 2018/10/08 11:10 | Goncalo Oliveira v Dimitriy Voronin | 6-3,6-2 |
| Challenger Almaty 2 | 2018/10/03 08:00 | Goncalo Oliveira v Mirza Basic | 6-7,7-5,4-6 |
| Challenger Liuzhou | 2018/10/22 07:15 | Aleksandr Nedovyesov v Di Wu | 6-7,6-7 |
| Challenger Tashkent | 2018/10/10 08:40 | Aleksandr Nedovyesov v Kamil Majchrzak | 3-6,6-2,1-6 |
| Challenger Tashkent | 2018/10/08 09:50 | Alen Avidzba v Aleksandr Nedovyesov | 3-6,0-6 |
| Challenger Almaty 2 | 2018/10/03 06:25 | Nikola Milojevic v Aleksandr Nedovyesov | 6-3,3-6,6-1 |
| Challenger Almaty 2 | 2018/10/02 05:20 | Aleksandr Nedovyesov v Dostanbek Tashbulatov | 6-3,6-1 |
| Challenger Istanbul | 2018/09/12 11:35 | Quentin Halys v Aleksandr Nedovyesov | 7-6,6-7,6-4 |
| Challenger Istanbul | 2018/09/10 09:30 | Aleksandr Nedovyesov v Aleksandre Metreveli | 6-3,6-4 |
| Challenger Cassis | 2018/09/04 15:15 | Tobias Kamke v Aleksandr Nedovyesov | 7-5,6-4 |