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