 World: Davis Cup - World Group II - Doubles - Preliminary |
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| | Walkow S./Zielinski J. | Lam C./Yeung P. L. | 2:1 (6:3, 66:7, 6:3) | details | 07.03.2020 |
| | Walkow S./Zielinski J. | Lam C./Wong Hong K. | 0:0 CAN. | details | 07.03.2020 |
| | Walkow S./Zielinski J. | Wong Hong K./Yeung P. L. | CAN. | details | 07.03.2020 |
 United Kingdom: M25 Sunderland - Doubles - Main |
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| Final | De Jong J./Stevens B. | Walkow S./Zielinski J. | 0:2 (4:6, 4:6) | details | 29.02.2020 |
| Semi-finals | Emhardt C./Hands T. | Walkow S./Zielinski J. | 0:2 (1:6, 1:6) | details | 28.02.2020 |
| Quarter-finals | Eriksson M./Samuelsson C. | Walkow S./Zielinski J. | 1:2 (62:7, 6:4, 6:10) | details | 27.02.2020 |
| 1/8-finals | Binding J./Patten H. | Walkow S./Zielinski J. | 0:2 (4:6, 2:6) | details | 25.02.2020 |
| United Kingdom: M25 Glasgow - Doubles - Main |
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| Final | Walkow S./Zielinski J. | Freund S./Hoyt E. | 2:0 (6:1, 6:1) | details | 22.02.2020 |
| Semi-finals | Walkow S./Zielinski J. | De Jong J./Stevens B. | 2:0 (6:2, 6:4) | details | 21.02.2020 |
| Quarter-finals | Walkow S./Zielinski J. | Binding J./Patten H. | 2:0 (7:5, 6:4) | details | 20.02.2020 |
| 1/8-finals | Walkow S./Zielinski J. | Duncan S./Mcintosh E. | 2:1 (2:6, 6:4, 10:6) | details | 19.02.2020 |
