 Egypt: M15 Sharm ElSheikh 8 - Doubles - Main |
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| Final | Trainauskas J./Vaitiekunas P. | Strombachs R./Uzhylovskyi V. | 2:1 (4:6, 6:2, 10:2) | details | 21.03.2026 |
| Semi-finals | Trainauskas J./Vaitiekunas P. | Bilozertsev N./Mazdrashki A. | WO. | details | 20.03.2026 |
| Quarter-finals | Trongcharoenchaikul W./van Wyk K. | Trainauskas J./Vaitiekunas P. | 1:2 (7:5, 5:7, 4:10) | details | 19.03.2026 |
| 1/8-finals | Trainauskas J./Vaitiekunas P. | Shvangiradze A./Sotikovs A. | 2:0 (6:3, 6:2) | details | 17.03.2026 |
| Egypt: M15 Sharm ElSheikh 7 - Doubles - Main |
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| Semi-finals | Trainauskas J./Vaitiekunas P. | Trongcharoenchaikul W./van Wyk K. | 1:2 (3:6, 6:4, 4:10) | details | 13.03.2026 |
| Quarter-finals | Trainauskas J./Vaitiekunas P. | Bilozertsev N./Zick S. | 2:1 (6:3, 1:6, 10:8) | details | 12.03.2026 |
| 1/8-finals | Kothapalli G. G./Senthilkumar M. A. | Trainauskas J./Vaitiekunas P. | 0:2 (3:6, 3:6) | details | 10.03.2026 |
 World: Davis Cup - World Group I - Doubles - Preliminary |
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| | Cukierman D./Shimanov O. | Dersonas D./Vaitiekunas P. | CAN. | details | 07.02.2026 |
| Egypt: M15 Hurghada - Doubles - Main |
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| 1/8-finals | Aytekin M./Vaitiekunas P. | McKennon M./Rocha F. | 0:2 (4:6, 0:6) | details | 06.01.2026 |
 Italy: M15 Forli - Doubles - Main |
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| Quarter-finals | Sabaliauskas A./Vaitiekunas P. | Beraldo L./Comino L. | 1:2 (4:6, 7:5, 10:12) | details | 27.08.2025 |
| 1/8-finals | Coccioli A./Miletich I. | Sabaliauskas A./Vaitiekunas P. | 1:2 (6:4, 1:6, 9:11) | details | 26.08.2025 |
 Serbia: M15 Pirot 2 - Doubles - Main |
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| Quarter-finals | Sabaliauskas A./Vaitiekunas P. | Khotchenkov E./Shirokyi D. | 1:2 (6:3, 610:7, 8:10) | details | 21.08.2025 |
| 1/8-finals | Sabaliauskas A./Vaitiekunas P. | Coman M. A./Urvaneja B. R. | 2:1 (4:6, 6:4, 10:7) | details | 19.08.2025 |
| Serbia: M15 Pirot - Doubles - Main |
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| 1/8-finals | Sabaliauskas A./Vaitiekunas P. | Fumagalli F./Nannelli M. | 0:2 (5:7, 65:7) | details | 12.08.2025 |
| Serbia: M15 Kursumlijska Banja 14 - Doubles - Main |
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| 1/8-finals | Campese C./Jovic N. | Sabaliauskas A./Vaitiekunas P. | 2:1 (7:5, 3:6, 10:3) | details | 05.08.2025 |
 Austria: M15 Klagenfurt - Doubles - Main |
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| 1/8-finals | Schlagenhauf N./Whitwell G. | Lucero J./Vaitiekunas P. | 2:1 (6:2, 3:6, 10:6) | details | 02.06.2025 |
| World: Davis Cup - World Group I - Doubles - Preliminary |
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| | Knaff A./Rodesch C. | Dersonas D./Vaitiekunas P. | CAN. | details | 02.02.2025 |
| World: Davis Cup - World Group I - Doubles - Main |
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| | Pavic M./Poljicak M. | Berankis R./Vaitiekunas P. | CAN. | details | 14.09.2024 |
 Turkey: M15 Antalya 12 - Doubles - Main |
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| 1/8-finals | Sabaliauskas A./Vaitiekunas P. | Dinev D./Ujvary M. | 1:2 (4:6, 6:4, 4:10) | details | 23.04.2024 |
| Turkey: M15 Antalya 10 - Doubles - Main |
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| 1/8-finals | Gramaticopolo B./Vaitiekunas P. | Bielinskyi V./Orlov V. | 0:2 (2:6, 2:6) | details | 09.04.2024 |
 Tunisia: M15 Monastir 10 - Doubles - Main |
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| 1/8-finals | Broska F./Ramskogler G. | Kusiewicz P./Vaitiekunas P. | 2:0 (6:1, 6:4) | details | 05.03.2024 |
| Tunisia: M15 Monastir 9 - Doubles - Main |
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| 1/8-finals | Delicata L./Vaitiekunas P. | Lane L./Wiskandt M. | 0:2 (67:7, 0:6) | details | 27.02.2024 |
| Tunisia: M25 Monastir 10 - Doubles - Main |
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| 1/8-finals | Philibert N./Vaitiekunas P. | Masur D./Ocleppo J. | 0:2 (5:7, 2:6) | details | 29.11.2023 |
 Germany: M15 Buschhausen - Doubles - Main |
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| Semi-finals | Oetzbach A./Schnaitter J. | Dragomirov D./Vaitiekunas P. | 2:0 (6:1, 6:2) | details | 15.09.2023 |
| Quarter-finals | Larwig N./Sobbe L. M. | Dragomirov D./Vaitiekunas P. | 1:2 (7:5, 3:6, 6:10) | details | 14.09.2023 |
| 1/8-finals | Carnevale-Miino T./Stanke C. | Dragomirov D./Vaitiekunas P. | 1:2 (6:4, 5:7, 8:10) | details | 12.09.2023 |
