 United Kingdom: Shrewsbury - Main |
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| 1/8-finals | Wietoska T. | Sakharov G. | 0:2 (3:6, 3:6) | dettagli | 26.02.2014 |
| 1/16-finals | Wietoska T. | Thornton-Brown A. | 2:0 (6:4, 6:3) | dettagli | 25.02.2014 |
 Germany: Leimen - Singles - Main |
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| 1/16-finals | Wietoska T. | Choinski J. | 1:2 (6:4, 0:6, 4:6) | dettagli | 09.10.2013 |
 Spain: Balaguer - Singles - Main |
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| 1/16-finals | Wietoska T. | Roca Batalla O. | 0:0 RET. (2:4) | dettagli | 02.05.2013 |
| Spain: Les Franqueses Del Valles - Singles - Main |
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| 1/16-finals | Wietoska T. | Jankovits Y. | 0:2 (2:6, 3:6) | dettagli | 23.04.2013 |
 Vietnam: Ho Chi Minh City 2 - Singles - Main |
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| 1/16-finals | Wietoska T. | Meister N. | 0:2 (3:6, 2:6) | dettagli | 09.04.2013 |
| Vietnam: Ho Chi Minh City - Singles - Main |
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| Quarter-finals | Kim J. H. | Wietoska T. | 2:0 (6:3, 6:4) | dettagli | 05.04.2013 |
| 1/8-finals | Hung J. | Wietoska T. | 0:2 (2:6, 3:6) | dettagli | 04.04.2013 |
| 1/16-finals | Wietoska T. | Jebavy R. | 2:0 (6:4, 6:2) | dettagli | 02.04.2013 |
| Vietnam: Bac Lieu City - Singles - Main |
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| Quarter-finals | Recouderc L. | Wietoska T. | 2:0 (6:3, 6:0) | dettagli | 29.03.2013 |
| 1/8-finals | Wietoska T. | Sie E. | 0:0 RET. (4:1) | dettagli | 27.03.2013 |
| 1/16-finals | Hobbs R. | Wietoska T. | 0:2 (3:6, 1:6) | dettagli | 25.03.2013 |
 India: Belgaum - Singles - Main |
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| Final | Shabaz M. | Wietoska T. | 2:0 (6:0, 7:6) | dettagli | 22.12.2012 |
| Semi-finals | Wietoska T. | Gaspar Murta A. | 2:0 (7:6, 7:6) | dettagli | 21.12.2012 |
| Quarter-finals | Vijayragavan A. | Wietoska T. | 1:2 (4:6, 6:3, 5:7) | dettagli | 20.12.2012 |
| 1/8-finals | Dahiya J. | Wietoska T. | 1:2 (7:5, 1:6, 1:6) | dettagli | 19.12.2012 |
| 1/16-finals | Wietoska T. | Prashanth V. | 2:0 (6:3, 7:6) | dettagli | 17.12.2012 |
| India: Dharwad - Singles - Main |
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| Semi-finals | Wietoska T. | Ramanathan R. | 0:2 (6:7, 5:7) | dettagli | 14.12.2012 |
| Quarter-finals | Balaji N. S. | Wietoska T. | 1:2 (4:6, 7:5, 5:7) | dettagli | 13.12.2012 |
| 1/8-finals | Benard J. | Wietoska T. | 0:2 (2:6, 0:6) | dettagli | 12.12.2012 |
| 1/16-finals | Wietoska T. | Vijayragavan A. | 2:0 (6:4, 6:4) | dettagli | 11.12.2012 |
| India: Davanagere - Singles - Main |
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| Semi-finals | Wietoska T. | Singh S. | 0:2 (0:6, 6:7) | dettagli | 07.12.2012 |
| Quarter-finals | Wietoska T. | Virali-Murugesan R. | 2:1 (6:3, 6:7, 6:4) | dettagli | 06.12.2012 |
| 1/8-finals | Wietoska T. | Vijayragavan A. | 2:0 (6:4, 6:3) | dettagli | 05.12.2012 |
| 1/16-finals | Prashanth V. | Wietoska T. | 0:2 (4:6, 2:6) | dettagli | 04.12.2012 |
 Greece: Heraklion 6 - Singles - Main |
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| 1/16-finals | Villacorta-Alonso R. | Wietoska T. | 2:1 (6:4, 4:6, 6:2) | dettagli | 06.11.2012 |
| Germany: Essen - Singles - Main |
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| 1/16-finals | Sikora A. | Wietoska T. | 2:1 (6:3, 6:7, 6:3) | dettagli | 10.10.2012 |
| Germany: Hambach - Singles - Main |
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| 1/16-finals | Wietoska T. | Haerteis J. | 0:2 (6:7, 3:6) | dettagli | 25.09.2012 |
 Netherlands: Rotterdam - Singles - Main |
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| 1/16-finals | van Der Linden L. | Wietoska T. | 2:1 (3:6, 7:62, 6:4) | dettagli | 29.08.2012 |
| Germany: Karlsruher - Singles - Main |
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| 1/8-finals | Wietoska T. | Knittel B. | 0:2 (2:6, 1:6) | dettagli | 15.08.2012 |
| 1/16-finals | Wietoska T. | Cauvard S. | 2:0 (6:2, 7:6) | dettagli | 14.08.2012 |