 World: Davis Cup - World Group - Doubles - Qualification |
|---|
| | Cacic N./Kecmanovic M. | Klein L./Zelenay I. | 0:2 (64:7, 3:6) | details | 03.02.2024 |
| World: Davis Cup - World Group I - Doubles - Main |
|---|
| | Tsitsipas Pe./Tsitsipas S. | Klein L./Zelenay I. | 1:2 (3:6, 7:65, 3:6) | details | 17.09.2023 |
| | Pervolarakis M./Tsitsipas Pe. | Klein L./Zelenay I. | CAN. | details | 17.09.2023 |
 Turkey: Istanbul - Doubles - Main |
|---|
| 1/8-finals | Klein L./Zelenay I. | Niklas-Salminen P./Stevens B. | 1:2 (4:6, 7:62, 10:12) | details | 06.09.2023 |
| World: Davis Cup - World Group I - Doubles - Main |
|---|
| | Klein L./Zelenay I. | Copil M./Cornea V. V. | 2:0 (7:64, 6:2) | details | 17.09.2022 |
 Austria: Tulln - Doubles - Main |
|---|
| Semi-finals | Kolar Z./Molchanov D. | Klein L./Zelenay I. | WO. | details | 09.09.2022 |
| Quarter-finals | Klein L./Zelenay I. | Lenz J./Sels J. | 2:0 (7:61, 6:3) | details | 08.09.2022 |
| 1/8-finals | Brown D./King E. | Klein L./Zelenay I. | 0:2 (3:6, 3:6) | details | 07.09.2022 |
 Italy: Como - Doubles - Main |
|---|
| Quarter-finals | Klein L./Zelenay I. | Brown D./Lenz J. | 1:2 (4:6, 6:4, 5:10) | details | 01.09.2022 |
| 1/8-finals | Klein L./Zelenay I. | Copil M./Jecan M. A. | 2:0 (6:2, 6:4) | details | 31.08.2022 |
 Europe: O pohar pratelstvi - Doubles - Main |
|---|
| | Forejtek J./Kolar Z. | Klein L./Zelenay I. | CAN. | details | 05.07.2020 |
| | Rosol L./Vesely J. | Klein L./Zelenay I. | 1:2 (6:2, 2:6, 9:11) | details | 05.07.2020 |
