 World: Davis Cup - World Group II - Doubles - Preliminary |
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| | Vallejo D./Vergara del Puerto M. A. | Arneodo R./Nys H. | 0:2 (62:7, 4:6) | details | 04.02.2024 |
| World: Davis Cup - World Group II - Doubles - Main |
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| | Arneodo R./Nys H. | Escobar G./Hidalgo D. | 0:2 (4:6, 2:6) | details | 16.09.2023 |
| World: Davis Cup - World Group II - Doubles - Preliminary |
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| | Arneodo R./Nys H. | Cid Subervi R./Hardt N. | 2:0 (7:61, 6:3) | details | 05.02.2023 |
| | Arneodo R./Nys H. | Baquero D./Bertran P. | CAN. | details | 05.02.2023 |
| World: Davis Cup - World Group II - Doubles - Main |
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| | Hallak T./Ibrahim H. | Arneodo R./Nys H. | CAN. | details | 17.09.2022 |
 Monaco: Monte Carlo - Doubles - Main |
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| 1/16-finals | Arneodo R./Nys H. | Evans D./Schwartzman D. | 1:2 (6:4, 5:7, 10:12) | details | 12.04.2022 |
 Morocco: Marrakech - Doubles - Main |
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| 1/8-finals | Arneodo R./Nys H. | Delbonis F./Duran G. | 0:2 (4:6, 4:6) | details | 06.04.2022 |
 France: Mouilleron-Le-Captif - Doubles - Main |
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| Quarter-finals | Eysseric J./Halys Q. | Arneodo R./Nys H. | 2:0 (7:63, 6:1) | details | 06.10.2021 |
| World: Davis Cup - Group III - Doubles - Placement matches |
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| | Kyratzis S./Neos E. | Arneodo R./Nys H. | 0:2 (2:6, 4:6) | details | 19.06.2021 |
| World: Davis Cup - Group III - Doubles - Main |
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| | Arneodo R./Nys H. | Calzi R./Knaff A. | 2:0 (6:4, 6:0) | details | 18.06.2021 |
| | Arneodo R./Nys H. | Carr S./O'Hare D. | 2:0 (6:3, 6:4) | details | 17.06.2021 |
| | Arneodo R./Nys H. | Cassar Torregiani M./Degabriele A. | 2:0 (6:1, 6:1) | details | 16.06.2021 |
| Monaco: Monte Carlo - Doubles - Main |
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| 1/16-finals | Auger-Aliassime F./Hurkacz H. | Arneodo R./Nys H. | 0:0 RET. (5:2) | details | 13.04.2021 |
 Spain: Marbella - Doubles - Main |
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| Final | Inglot D./Reid M. | Arneodo R./Nys H. | 2:1 (1:6, 6:3, 10:6) | details | 03.04.2021 |
| Semi-finals | Polmans M./Smith J. P. | Arneodo R./Nys H. | 1:2 (2:6, 6:3, 8:10) | details | 02.04.2021 |
| Quarter-finals | Reyes-Varela M. A./Romboli F. | Arneodo R./Nys H. | 0:2 (68:7, 4:6) | details | 01.04.2021 |
| 1/8-finals | Barranco Cosano J./Sanchez Jover C. | Arneodo R./Nys H. | 0:2 (3:6, 3:6) | details | 31.03.2021 |
| France: Lille - Doubles - Main |
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| Quarter-finals | Bonzi B./Hoang A. | Arneodo R./Nys H. | 2:1 (4:6, 6:3, 11:9) | details | 25.03.2021 |
 New Caledonia: Noumea - Doubles - Main |
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| 1/8-finals | Arneodo R./Nys H. | Mena F./Menezes J. | 1:2 (6:3, 64:7, 3:10) | details | 08.01.2020 |
 Slovakia: Bratislava 2 - Doubles - Main |
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| Semi-finals | Arneodo R./Nys H. | Nielsen F./Puetz T. | 1:2 (7:64, 5:7, 7:10) | details | 08.11.2019 |
| Quarter-finals | Arneodo R./Nys H. | Lammons N./Monroe N. | 2:1 (6:4, 65:7, 10:6) | details | 07.11.2019 |
| 1/8-finals | Arneodo R./Nys H. | Arends S./Pel D. | 2:1 (6:1, 3:6, 10:6) | details | 06.11.2019 |
| France: Brest - Doubles - Main |
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| 1/8-finals | Erlich J./Harris L. | Arneodo R./Nys H. | 2:0 (7:65, 7:5) | details | 22.10.2019 |
 Russia: Moscow - Doubles - Main |
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| Quarter-finals | Demoliner M./Middelkoop M. | Arneodo R./Nys H. | 2:0 (6:3, 7:61) | details | 17.10.2019 |
| 1/8-finals | Arneodo R./Nys H. | Berankis R./Londero J. I. | 2:0 (6:3, 6:2) | details | 15.10.2019 |
| France: Mouilleron-Le-Captif - Doubles - Main |
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| Quarter-finals | Arends S./Pel D. | Arneodo R./Nys H. | 2:1 (4:6, 6:3, 10:4) | details | 10.10.2019 |
| 1/8-finals | Arneodo R./Nys H. | Demoliner M./Middelkoop M. | 2:0 (6:3, 7:62) | details | 09.10.2019 |
| France: Orleans - Doubles - Main |
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| Final | Podlipnik-Castillo H./Weissborn S. | Arneodo R./Nys H. | 1:2 (7:65, 3:6, 1:10) | details | 29.09.2019 |
| Semi-finals | Begemann A./Lenz J. | Arneodo R./Nys H. | 1:2 (5:7, 6:3, 6:10) | details | 28.09.2019 |
| Quarter-finals | Menendez-Maceiras A./Stakhovsky S. | Arneodo R./Nys H. | 0:2 (4:6, 64:7) | details | 27.09.2019 |
| 1/8-finals | Lammons N./Sancic A. | Arneodo R./Nys H. | 0:2 (67:7, 64:7) | details | 25.09.2019 |
| World: Davis Cup - Group III - Doubles - Main |
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| | Arneodo R./Nys H. | Kalovelonis M./Tsitsipas Pe. | CAN. | details | 13.09.2019 |
 Italy: Genova - Doubles - Main |
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| Quarter-finals | Bagnis F./Travaglia S. | Arneodo R./Nys H. | 2:0 (6:3, 7:5) | details | 05.09.2019 |
| 1/8-finals | Gaio F./Pellegrino A. | Arneodo R./Nys H. | 0:2 (4:6, 5:7) | details | 03.09.2019 |
 Slovenia: Portoroz - Doubles - Main |
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| 1/8-finals | Arneodo R./Nys H. | King E./Ocleppo J. | 0:2 (65:7, 63:7) | details | 14.08.2019 |
 Mexico: Los Cabos - Doubles - Main |
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| Final | Inglot D./Krajicek A. | Arneodo R./Nys H. | 1:2 (5:7, 7:5, 14:16) | details | 04.08.2019 |
| Semi-finals | Gonzalez S./Qureshi A. | Arneodo R./Nys H. | 1:2 (6:3, 5:7, 5:10) | details | 03.08.2019 |
| Quarter-finals | Arneodo R./Nys H. | Pella G./Schwartzman D. | 2:1 (2:6, 6:0, 10:6) | details | 02.08.2019 |
| 1/8-finals | Arneodo R./Nys H. | Purcell M./Saville L. | 2:1 (616:7, 6:4, 10:8) | details | 01.08.2019 |
 Czech Republic: Prostejov - Doubles - Main |
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| 1/8-finals | Lock B./Lock C. | Arneodo R./Nys H. | 2:1 (4:6, 7:5, 10:3) | details | 03.06.2019 |
| France: Lyon - Doubles - Main |
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| 1/8-finals | Skupski K./Skupski N. | Arneodo R./Nys H. | 2:1 (6:3, 2:6, 10:8) | details | 20.05.2019 |
| France: Aix en Provence - Doubles - Main |
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| Quarter-finals | Arneodo R./Nys H. | Krawietz K./Melzer J. | 0:2 (3:6, 3:6) | details | 09.05.2019 |
| 1/8-finals | Arneodo R./Nys H. | Garcia-Lopez G./Paes L. | 2:0 (6:4, 6:4) | details | 07.05.2019 |
| France: Bordeaux - Doubles - Main |
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| Final | Arneodo R./Nys H. | Barrere G./Halys Q. | 0:2 (4:6, 1:6) | details | 05.05.2019 |
| Semi-finals | Benchetrit E./Lamasine T. | Arneodo R./Nys H. | 0:2 (3:6, 1:6) | details | 04.05.2019 |
| Quarter-finals | Gille S./Vega Hernandez D. | Arneodo R./Nys H. | 1:2 (62:7, 6:4, 4:10) | details | 02.05.2019 |
| 1/8-finals | Arneodo R./Nys H. | Eysseric J./Sancic A. | 2:0 (6:3, 7:63) | details | 01.05.2019 |
