 USA: M25 Ithaca, NY - Doubles - Main |
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| 1/8-finals | Sakagawa H./Zamora N. | Pow L./Xilas I. | 2:1 (6:4, 4:6, 10:8) | details | 07.01.2025 |
| 1/8-finals | Kotzen N. I./Zheng M. | Pow L./Xilas I. | CAN. | details | 07.01.2025 |
 Dominican Republic: M15 Santo Domingo 4 - Doubles - Main |
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| Final | Fiorentini A./Ocera M. | Suarez B./Xilas I. | 1:2 (6:2, 5:7, 7:10) | details | 01.12.2024 |
| Semi-finals | Suarez B./Xilas I. | Chan Baratau M. L./Pinheiro da Cruz Junior G. | 2:0 (6:4, 6:2) | details | 30.11.2024 |
| Quarter-finals | Suarez B./Xilas I. | Evans G./Ross J. | 2:0 (6:2, 6:4) | details | 30.11.2024 |
| 1/8-finals | De Boes M./Galus P. | Suarez B./Xilas I. | 0:2 (3:6, 2:6) | details | 29.11.2024 |
| USA: M15 Winston-Salem, NC - Doubles - Main |
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| 1/8-finals | Rodenas P./Winegar T. | Suresh D./Xilas I. | 2:0 (6:2, 6:4) | details | 15.10.2024 |
 Serbia: M15 Kursumlijska Banja 13 - Doubles - Main |
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| Quarter-finals | Kalender A./Verbin P. | Antonopoulos C./Xilas I. | WO. | details | 01.08.2024 |
| 1/8-finals | Kostic S./Stefanovic M. | Antonopoulos C./Xilas I. | 0:2 (4:6, 5:7) | details | 31.07.2024 |
| Serbia: M15 Kursumlijska Banja 12 - Doubles - Main |
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| Quarter-finals | Latinovic S./Sharipov M. | Antonopoulos C./Xilas I. | 2:0 (6:1, 6:2) | details | 25.07.2024 |
| 1/8-finals | Klok D./Mouilleron Salvo M. | Antonopoulos C./Xilas I. | 0:2 (3:6, 2:6) | details | 23.07.2024 |
 Tunisia: M15 Monastir 29 - Doubles - Main |
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| 1/8-finals | Gauci K./Xilas I. | Garcian A./Trochu P. | 0:2 (3:6, 2:6) | details | 16.07.2024 |
| Serbia: M15 Belgrade - Doubles - Main |
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| Quarter-finals | Ljubojevic A./Obradovic D. | Pietri B./Xilas I. | 2:0 (6:3, 6:0) | details | 27.06.2024 |
| 1/8-finals | Pietri B./Xilas I. | Compagnucci T./Taddia L. | 2:0 (6:3, 6:2) | details | 25.06.2024 |
| Serbia: M15 Kursumlijska Banja 5 - Doubles - Main |
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| Quarter-finals | Antonopoulos C./Xilas I. | Barreto Sanchez D. A./Blanch D. | 0:2 (3:6, 4:6) | details | 23.05.2024 |
| 1/8-finals | Uzhylovskyi V./Yap M. H. | Antonopoulos C./Xilas I. | 0:2 (2:6, 3:6) | details | 21.05.2024 |
 Greece: M15 Heraklion 4 - Doubles - Main |
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| Quarter-finals | Antonopoulos C./Neos E. | Kyratzis S./Xilas I. | 2:0 (7:62, 6:2) | details | 28.03.2024 |
| 1/8-finals | Azoides D./Efstathiou M. | Kyratzis S./Xilas I. | 1:2 (6:4, 63:7, 6:10) | details | 26.03.2024 |
| Greece: M15 Heraklion 3 - Doubles - Main |
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| Quarter-finals | Thanos A./Xilas I. | O'Hoisin O./Wiersholm H. | 0:2 (4:6, 4:6) | details | 22.03.2024 |
| 1/8-finals | Thanos A./Xilas I. | Brown A./Van Emburgh J. | 2:1 (2:6, 6:3, 10:4) | details | 19.03.2024 |
| 1/8-finals | Thanos A./Xilas I. | Di Natale G. M./Pieri S. | CAN. | details | 19.03.2024 |
World: Davis Cup - World Group I - Singles - Main