Stadium: Center Court Round: 26 Ground: Hardcourt outdoor
| Challenger - Quimper - Doubles Hommes | 2021/02/03 09:30 | Istomin D / Karlovskiy E v Drzewiecki/Walkow | 6-7,5-7 |
| Winnetka, USA, Doubles | 2019/07/09 21:00 | Istomin D / Karlovskiy E v Maytin R / Withrow J | 6-1,4-6,10-2 |