Stadium: Court 2 Round: 26 Ground: Hardcourt outdoor
| Challenger Koblenz - Herredouble | 2019/01/19 11:00 | Karlovskiy/Khabibulin v Kolar/Pavlasek | 5-7,2-6 |
| Challenger Koblenz - Herredouble | 2019/01/17 19:10 | Heller/Torebko v Karlovskiy/Khabibulin | 1-6,4-6 |
| Challenger Koblenz - Herredouble | 2019/01/16 15:45 | Karlovskiy/Khabibulin v Oliveira/Pel | 2-6,6-3,10-7 |
| Challenger Almaty 2 MD | 2018/10/05 09:20 | Kolar/Rosol v Karlovskiy/Khabibulin | 6-3,6-1 |
| Challenger Almaty 2 MD | 2018/10/04 07:20 | Pavlioutchenkov/Yang v Karlovskiy/Khabibulin | 6-2,3-6,10-12 |
| Challenger Almaty 2 MD | 2018/10/03 10:00 | Karlovskiy/Khabibulin v Bublik/Kecmanovic | 5-7,7-5,10-5 |
| Challenger Almaty 2 MD | 2018/10/02 08:30 | Avidzba/Escoffier v Karlovskiy/Khabibulin | 6-7,2-6 |
| Challenger - Cassis - Herredouble | 2018/09/07 09:00 | Karlovskiy/Khabibulin v Reid/Stakhovsky | 4-6,6-7 |