 World: Davis Cup - Group III - Doubles - Placement matches |
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| | Seeman J./Troost S. | Cazac I./Ciumac A. | CAN. | details | 17.06.2023 |
| World: Davis Cup - Group III - Doubles - Main |
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| | Degabriele A./Pullicino D. | Cazac I./Ciumac A. | 0:2 (2:6, 62:7) | details | 16.06.2023 |
| World: Davis Cup - Group III - Doubles - Main |
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| | Bulat M./Ciumac A. | Deari S./Grabul D. | CAN. | details | 08.04.2017 |
| | Baskov D./Ciumac A. | Asciak M./Sudzuka O. | 2:0 (6:1, 6:1) | details | 07.04.2017 |
| | Baskov D./Ciumac A. | Ristic V./Sigurdsson E. | 2:0 (6:1, 6:3) | details | 06.04.2017 |
| World: Davis Cup Group II - Doubles - Main |
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| | Fucsovics M./Godry L. | Albot R./Ciumac A. | 3:2 (7:64, 3:6, 4:6, 7:66, 8:6) | details | 07.03.2015 |
| World: Davis Cup Group II - Doubles - Main |
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| | Kromann T./Nielsen F. | Albot R./Ciumac A. | CAN. | details | 13.09.2014 |
| | Gorban A./Ciumac A. | Gerasimov E./Mirnyi M. | 0:3 (3:6, 2:6, 0:6) | details | 05.04.2014 |
| | Albot R./Ciumac A. | Ignatik U./Mirnyi M. | CAN. | details | 05.04.2014 |
| World: Davis Cup Group II - Doubles - Main |
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| | Borvanov R./Ciumac A. | Elias G./Sousa J. | 0:3 (3:6, 4:6, 3:6) | details | 14.09.2013 |
 Romania: Timisoara - Doubles - Main |
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| 1/8-finals | Ciumac A./Uzhylovskyi V. | Eysseric J./Renavand N. | 1:2 (6:4, 4:6, 7:10) | details | 02.07.2013 |
 Italy: Milan - Doubles - Main |
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| 1/8-finals | Ciumac A./Sergeyev I. | Crugnola M./Giorgini D. | 0:2 (1:6, 2:6) | details | 17.06.2013 |
 Slovakia: Kosice - Doubles - Main |
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| 1/8-finals | Cluskey J./Walsh D. | Ciumac A./Sergeyev I. | 2:0 (6:3, 6:1) | details | 10.06.2013 |
| Romania: Brasov - Doubles - Main |
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| Final | Copil M./Crivoi V. | Ciumac A./Nedovyesov A. | 2:1 (68:7, 6:4, 14:12) | details | 08.09.2012 |
| Semi-finals | Ciumac A./Nedovyesov A. | Daescu A./Hubble A. | 2:1 (6:4, 1:6, 13:11) | details | 07.09.2012 |
| Quarter-finals | Ciumac A./Nedovyesov A. | Aguilar J./Pashanski B. | 2:1 (2:6, 7:5, 10:7) | details | 06.09.2012 |
| 1/8-finals | Borvanov R./Guez D. | Ciumac A./Nedovyesov A. | 0:2 (2:6, 5:7) | details | 05.09.2012 |
Russia: Moscow 2 - Singles - Main
Kazakhstan: Shymkent - Singles - Main
Turkey: Antalya-Ali Bey Manavgat - Main