Stadium: Palasport Round: 25 Ground: Hardcourt indoor
| Segovia, Spain | 2018/07/31 14:10 | Stakhovsky, Sergiy v Viola, Matteo | 3-6,6-2,6-7 |
| Portoroz, Slovénie | 2017/08/08 14:20 | Viola, Matteo v Stakhovsky, Sergiy | 6-7,2-6 |
| Challenger Bratislava | 2018/11/04 12:20 | Viola, Matteo v Haerteis, Johannes | 3-6,6-7 |
| Challenger Bratislava | 2018/11/03 14:05 | Viola, Matteo v Marek Gengel | 6-2,6-1 |
| Challenger Ismaning | 2018/10/19 12:00 | Viola, Matteo v Ugo Humbert | 1-6,2-6 |
| Challenger Ismaning | 2018/10/17 11:00 | Ward, James v Viola, Matteo | 5-7,6-1,6-7 |
| Challenger Ismaning | 2018/10/16 11:00 | Safranek, Vaclav v Viola, Matteo | 4-6,2-6 |
| Challenger - Barcelone | 2018/10/11 10:50 | Viola, Matteo v Miljan Zekic | 4-6,5-7 |
| Challenger - Barcelone | 2018/10/10 10:00 | Guez, David v Viola, Matteo | 6-7,3-6 |
| Challenger Sibiu | 2018/09/18 12:10 | Viola, Matteo v Nino Serdarusic | 2-6,7-6,1-6 |
| Challenger Bratislava | 2018/11/09 12:50 | Stakhovsky, Sergiy v Alexander Bublik | 3-6,6-7 |
| Challenger Bratislava | 2018/11/07 17:40 | Stakhovsky, Sergiy v Norbert Gombos | 6-7,6-4,6-2 |
| Challenger Bratislava | 2018/11/05 17:20 | Marco Trungelliti v Stakhovsky, Sergiy | 2-6,4-6 |
| Challenger Eckental | 2018/11/01 12:00 | Antoine Hoang v Stakhovsky, Sergiy | 6-2,6-2 |
| Challenger Eckental | 2018/10/31 12:15 | Marcora, Roberto v Stakhovsky, Sergiy | 4-6,4-6 |
| ATP Vienna | 2018/10/21 11:00 | Denis Kudla v Stakhovsky, Sergiy | 6-1,2-6,6-2 |
| ATP Vienna | 2018/10/20 09:00 | Stakhovsky, Sergiy v Klahn, Bradley | 6-7,6-4,6-4 |
| Antwerp, Belgium | 2018/10/16 11:20 | Simon, Gilles v Stakhovsky, Sergiy | 6-0,6-4 |