Tunisia: M15 Monastir 15 - Doubles - Main |
| Final | Istomin D./Karlovskiy E. | Davis J./Hussey G. | WO. | details | 13.04.2024 |
| Semi-finals | Istomin D./Karlovskiy E. | Pokorny L./Wiskandt M. | 2:1 (2:6, 7:62, 10:5) | details | 12.04.2024 |
| Quarter-finals | Istomin D./Karlovskiy E. | Lumsden E./Parker S. | 2:0 (7:65, 6:1) | details | 11.04.2024 |
| 1/8-finals | Donski A./Pereira T. | Istomin D./Karlovskiy E. | 1:2 (6:1, 4:6, 9:11) | details | 09.04.2024 |
Tunisia: M15 Monastir 14 - Doubles - Main |
| 1/8-finals | Karlovskiy E./Matsuda R. | Herrmann T./Rivet M. | 0:2 (66:7, 4:6) | details | 02.04.2024 |
Kazakhstan: M15 Aktobe 2 - Doubles - Main |
| Quarter-finals | Kukasian A./Nesterov P. | Istomin D./Karlovskiy E. | 2:1 (6:3, 2:6, 10:2) | details | 14.03.2024 |
| 1/8-finals | Istomin D./Karlovskiy E. | Batyutenko M./Yerdilda Y. | 2:0 (6:3, 6:2) | details | 12.03.2024 |
Kazakhstan: M15 Aktobe - Doubles - Main |
| 1/8-finals | Kukasian A./Nesterov P. | Istomin D./Karlovskiy E. | 2:1 (6:4, 4:6, 10:7) | details | 05.03.2024 |
Qatar: M25 Doha - Doubles - Main |
| 1/8-finals | Istomin D./Karlovskiy E. | Erel Y./Kirkin E. | WO. | details | 15.01.2024 |
Qatar: M15 Doha - Doubles - Main |
| Semi-finals | Benchetrit E./Ghibaudo A. | Istomin D./Karlovskiy E. | 1:0 RET. (6:2, 0:0) | details | 12.01.2024 |
| Quarter-finals | Istomin D./Karlovskiy E. | Genier T./Trochu P. | 2:0 (6:4, 6:2) | details | 11.01.2024 |
| 1/8-finals | Istomin D./Karlovskiy E. | Zayid M. S./Virgili A. | 2:0 (6:3, 6:0) | details | 09.01.2024 |
USA: Champaign - Doubles - Main |
| 1/8-finals | Karlovskiy E./Serdarusic N. | Clark E./Zhu E. | CAN. | details | 15.11.2023 |
USA: Knoxville - Doubles - Main |
| Semi-finals | Karlovskiy E./Serdarusic N. | Kingsley C./Martinez L. D. | 0:2 (4:6, 3:6) | details | 10.11.2023 |
| Quarter-finals | Karlovskiy E./Serdarusic N. | Sandgren T./Willis M. | 2:0 (6:4, 6:4) | details | 09.11.2023 |
| 1/8-finals | Clark E./Whiting T. | Karlovskiy E./Serdarusic N. | 1:2 (6:4, 3:6, 8:10) | details | 08.11.2023 |
USA: Charlottesville - Doubles - Main |
| Quarter-finals | Karlovskiy E./Serdarusic N. | Kudla D./Kwiatkowski T. S. | 0:2 (2:6, 2:6) | details | 02.11.2023 |
| 1/8-finals | Hach Verdugo H./Quinn E. | Karlovskiy E./Serdarusic N. | 1:2 (3:6, 7:5, 13:15) | details | 01.11.2023 |
Italy: Ortisei - Doubles - Main |
| Quarter-finals | Istomin D./Karlovskiy E. | Cukierman D./Paris J. | WO. | details | 27.10.2023 |
| 1/8-finals | Istomin D./Karlovskiy E. | Walkow S./Zuk K. | 2:1 (6:4, 0:6, 10:5) | details | 24.10.2023 |
Germany: Hamburg - Doubles - Main |
| Semi-finals | Istomin D./Karlovskiy E. | Novak D./Santillan A. | WO. | details | 20.10.2023 |
| Quarter-finals | Habib H./Somani P. | Istomin D./Karlovskiy E. | 0:2 (4:6, 66:7) | details | 19.10.2023 |
| 1/8-finals | Istomin D./Karlovskiy E. | Harris B./Stevenson K. | 2:0 (7:64, 6:3) | details | 18.10.2023 |