Stadium: Court Club House Round: 25 Ground: Hardcourt outdoor
| Challenger Orleans | 2014/09/22 11:50 | Tristan Lamasine v Sergiy Stakhovsky | 6-7,3-6 |
| Challenger Cassis | 2019/09/02 10:05 | Uladzimir Ignatik v Tristan Lamasine | 6-7,2-6 |
| Challenger Meerbusch | 2019/08/14 13:05 | Tristan Lamasine v Carlos Taberner | 7-6,4-6,2-6 |
| Challenger Sopot | 2019/08/03 09:00 | Stefano Travaglia v Tristan Lamasine | 6-1,7-5 |
| Challenger Sopot | 2019/08/02 09:00 | Tristan Lamasine v Alexey Vatutin | 3-6,7-5,6-2 |
| Challenger Sopot | 2019/08/01 09:00 | Mikael Ymer v Tristan Lamasine | 6-2,4-6,1-6 |
| Challenger Sopot | 2019/07/30 13:55 | Andrea Pellegrino v Tristan Lamasine | 7-5,4-6,4-6 |
| Challenger Prague | 2019/07/23 11:15 | Tristan Lamasine v Vaclav Safranek | 6-7,1-6 |
| Challenger Perugia | 2019/07/10 19:25 | Paolo Lorenzi v Tristan Lamasine | 6-1,7-6 |
| Challenger Mallorca | 2019/08/29 14:20 | Sergiy Stakhovsky v Blaz Kavcic | 4-6,2-6 |
| US Open | 2019/08/19 23:50 | Nicola Kuhn v Sergiy Stakhovsky | 6-4,6-4 |
| Challenger Portoroz | 2019/08/15 16:15 | Zdenek Kolar v Sergiy Stakhovsky | 6-2,3-6,6-3 |
| Challenger Portoroz | 2019/08/14 16:00 | Alessandro Bega v Sergiy Stakhovsky | 1-6,5-7 |
| ATP Los Cabos | 2019/07/28 01:20 | Danilo Petrovic v Sergiy Stakhovsky | 6-4,7-6 |
| Challenger Binghamton | 2019/07/24 19:00 | Alex Rybakov v Sergiy Stakhovsky | 7-6,4-6,7-6 |
| ATP Newport | 2019/07/16 16:50 | Ramkumar Ramanathan v Sergiy Stakhovsky | 5-7,7-6,6-2 |
| Challenger Recanati | 2019/07/04 17:00 | Viktor Galovic v Sergiy Stakhovsky | 5-7,6-3,6-3 |