Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| Challenger Bastad | 2018/07/10 12:10 | Nedelko, Ivan v Berlocq, Carlos | 3-6,0-6 |
| Wimbledon Qual | 2018/06/25 10:00 | Nedelko, Ivan v Stefano Travaglia | 4-6,2-6 |
| ATP Eastbourne Qual | 2018/06/23 13:10 | Bega, Alessandro v Nedelko, Ivan | 7-5,6-0 |
| Fergana, Uzbekistan | 2018/06/19 06:55 | Nedelko, Ivan v Fayziev, Sanjar | 5-7,6-3,7-6 |
| Challenger Almaty | 2018/06/11 06:40 | Pavic, Ante v Nedelko, Ivan | 6-1,6-3 |
| Shymkent 2, Kazakhstan | 2018/06/05 04:00 | Nedelko, Ivan v Denis Yevseyev | 7-5,6-3 |
| ITF Uganda F4 | 2018/05/27 08:00 | Nedelko, Ivan v Lu, Tyler | 6-4,6-4 |
| ITF Uganda F4 Qual | 2018/05/24 10:20 | Nedelko, Ivan v Marco Miceli | 6-1,6-1 |
| Challenger Perugia Qual | 2018/07/09 09:20 | Nedovyesov, Aleksandr v Balzerani, Riccardo | 6-4,4-6,4-6 |
| Challenger Perugia Qual | 2018/07/08 14:25 | Nedovyesov, Aleksandr v Riccardo Bonadio | 6-2,1-6,6-2 |
| ATP Antalya Qual | 2018/06/24 11:00 | Kavcic, Blaz v Nedovyesov, Aleksandr | 3-6,6-3,6-3 |
| ATP Antalya Qual | 2018/06/23 15:15 | Koray Kirci v Nedovyesov, Aleksandr | 4-6,2-6 |
| Fergana, Uzbekistan | 2018/06/19 05:00 | Nedovyesov, Aleksandr v Yosuke Watanuki | 4-6,6-7 |
| Challenger Almaty | 2018/06/14 05:00 | Nedovyesov, Aleksandr v Jurij Rodionov | 6-3,5-7,6-7 |
| Challenger Almaty | 2018/06/13 05:00 | Nino Serdarusic v Nedovyesov, Aleksandr | 7-5,4-6,4-6 |
| Challenger Almaty | 2018/06/12 06:00 | Khabibulin, Timur v Nedovyesov, Aleksandr | 4-6,6-3,2-6 |