 World: Davis Cup - World Group II - Doubles - Preliminary |
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| | Elyasi S./Yazdani A. | Raisma K./Troost S. | 1:2 (6:4, 3:6, 63:7) | details | 16.03.2024 |
 Portugal: M25 Faro - Doubles - Main |
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| 1/8-finals | Schiessl J. E./Troost S. | Durasovic V./Hellum Lilleengen L. | 1:2 (6:4, 2:6, 9:11) | details | 28.02.2024 |
| Portugal: M25 Vila Real de Santo Antonio 2 - Doubles - Main |
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| 1/8-finals | Ponwith N./Wiersholm H. | Dudun I./Troost S. | 2:1 (7:61, 3:6, 10:8) | details | 21.02.2024 |
 Spain: M15 Manacor 3 - Doubles - Main |
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| Quarter-finals | Demin Y./Wong C. | Kaukovalta P./Troost S. | 2:0 (6:1, 6:2) | details | 25.01.2024 |
| 1/8-finals | Simundza J./Verbin P. | Kaukovalta P./Troost S. | 1:2 (3:6, 7:67, 7:10) | details | 23.01.2024 |
 United Kingdom: M25 Sunderland - Doubles - Main |
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| 1/8-finals | Cowley R./Quayle D. | Troost S./Walters M. | 2:0 (6:3, 7:65) | details | 16.01.2024 |
| United Kingdom: M25 Loughborough - Doubles - Main |
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| Quarter-finals | Clarke J./Hurrion M. | Johns G./Troost S. | 2:0 (6:3, 7:65) | details | 11.01.2024 |
| 1/8-finals | Johns G./Troost S. | Hodkin S./Quayle D. | 2:0 (6:2, 7:5) | details | 10.01.2024 |
 Tunisia: M25 Monastir 10 - Doubles - Main |
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| 1/8-finals | Schnaitter J./Wallner M. | Sinha A./Troost S. | 2:0 (6:3, 7:5) | details | 28.11.2023 |
| Tunisia: M25 Monastir 9 - Doubles - Main |
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| 1/8-finals | Troost S./Waldner N. | Masur D./Ocleppo J. | 0:2 (2:6, 4:6) | details | 21.11.2023 |
| Tunisia: M25 Monastir 8 - Doubles - Main |
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| 1/8-finals | Troost S./Weir P. | Lobanov A./Nesterov A. | 1:2 (63:7, 6:3, 2:10) | details | 14.11.2023 |
| United Kingdom: M25 Sunderland 2 - Doubles - Main |
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| Semi-finals | Troost S./Walters M. | Davis J./Goodger J. | 0:2 (3:6, 4:6) | details | 03.11.2023 |
| Quarter-finals | Castelnuovo L./Santillan A. | Troost S./Walters M. | WO. | details | 02.11.2023 |
| 1/8-finals | Troost S./Walters M. | Brady P./Howse M. | 2:0 (6:4, 7:65) | details | 31.10.2023 |
| United Kingdom: M25 Glasgow - Doubles - Main |
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| Semi-finals | Davis J./Troost S. | Bass F./Hurrion M. | 1:2 (6:2, 68:7, 8:10) | details | 27.10.2023 |
| Quarter-finals | Howse M./Weir P. | Davis J./Troost S. | 1:2 (3:6, 6:4, 4:10) | details | 26.10.2023 |
| 1/8-finals | Hodkin S./Rodriguez D. | Davis J./Troost S. | 1:2 (3:6, 6:3, 4:10) | details | 24.10.2023 |
| United Kingdom: M25 Edgbaston - Doubles - Main |
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| 1/8-finals | Hou Y./Troost S. | Simkiss L./Walters M. | 1:2 (7:5, 1:6, 9:11) | details | 17.10.2023 |
 Sweden: M15 Danderyd - Doubles - Main |
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| 1/8-finals | Karlsson Wistrand J./Shaw M. | Seeman J./Troost S. | 2:0 (6:4, 6:0) | details | 19.09.2023 |
 Poland: M25 Poznan - Doubles - Main |
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| Quarter-finals | Terczynski M./Troost S. | Rajski M./Wojcik Y. | 0:2 (4:6, 5:7) | details | 24.08.2023 |
| 1/8-finals | Terczynski M./Troost S. | Bojarski A./Szymkowiak K. | 2:1 (3:6, 6:3, 10:8) | details | 22.08.2023 |
| Poland: M25 Bielsko Biala - Doubles - Main |
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| Semi-finals | Szajrych J./Zgola B. | Pawlak P./Troost S. | 2:1 (5:7, 6:3, 10:5) | details | 18.08.2023 |
| Quarter-finals | Pawlak P./Troost S. | Juszczak P./Jedrzejczak J. | 2:0 (6:3, 6:4) | details | 17.08.2023 |
| 1/8-finals | Lis M./Rajski M. | Pawlak P./Troost S. | 1:2 (6:4, 3:6, 7:10) | details | 15.08.2023 |
| Poland: M25 Lodz - Doubles - Main |
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| Quarter-finals | Seeman J./Troost S. | Cerny M./Paty D. | 0:2 (62:7, 2:6) | details | 10.08.2023 |
| 1/8-finals | Ferrari F./Tresca G. | Seeman J./Troost S. | 0:2 (3:6, 1:6) | details | 08.08.2023 |
 Finland: M15 Hyvinkaa - Doubles - Main |
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| Quarter-finals | Seeman J./Troost S. | Grevelius E./Heinonen A. | 1:2 (3:6, 6:3, 8:10) | details | 04.08.2023 |
| 1/8-finals | Denisov I./Sheyngezikht L. | Seeman J./Troost S. | 1:2 (7:63, 1:6, 5:10) | details | 02.08.2023 |
 Austria: M25 Kramsach - Doubles - Main |
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| Semi-finals | Heller P./Wehnelt K. | Seeman J./Troost S. | 2:0 (6:3, 6:1) | details | 28.07.2023 |
| Quarter-finals | Barrena A./Otegui J. B. | Seeman J./Troost S. | 0:2 (4:6, 0:6) | details | 28.07.2023 |
| 1/8-finals | Seeman J./Troost S. | Gloeckler M./Waldner N. | 2:1 (65:7, 6:3, 10:8) | details | 27.07.2023 |
| Finland: Tampere - Doubles - Main |
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| Quarter-finals | Kielan S./Matuszewski P. | Seeman J./Troost S. | 2:0 (6:2, 6:2) | details | 20.07.2023 |
| Tunisia: M15 Monastir 26 - Doubles - Main |
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| Final | Coelho F./Ouakaa A. | Seeman J./Troost S. | 2:1 (3:6, 6:4, 10:4) | details | 01.07.2023 |
| Semi-finals | Garcian A./Tepmahc N. | Seeman J./Troost S. | 1:2 (6:4, 3:6, 6:10) | details | 30.06.2023 |
| Quarter-finals | Breysach M./Koenig L. | Seeman J./Troost S. | 1:2 (3:6, 6:4, 7:10) | details | 29.06.2023 |
| 1/8-finals | Seeman J./Troost S. | Giacomini L./Skorilas A. | 2:0 (7:63, 7:5) | details | 27.06.2023 |
| Tunisia: M15 Monastir 25 - Doubles - Main |
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| Semi-finals | Seeman J./Troost S. | Giacomini L./Skorilas A. | 0:2 (3:6, 0:6) | details | 23.06.2023 |
| Quarter-finals | Seeman J./Troost S. | Monaco A./Vandermeersch C. | 2:0 (6:0, 6:0) | details | 22.06.2023 |
| 1/8-finals | Sharma A./Sinha A. | Seeman J./Troost S. | 0:2 (1:6, 2:6) | details | 20.06.2023 |
| 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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| | Seeman J./Troost S. | Muraccini M./Tommesani F. | 2:0 (6:0, 6:1) | details | 16.06.2023 |
