 Russia: Tyumen - Doubles - Main |
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| 1/8-finals | Gerasimov E./Zhyrmont D. | Artunedo Martinavarro A./Sitak D. | 2:0 (6:3, 6:4) | details | 18.11.2013 |
 Turkey: Antalya 4 - Doubles - Main |
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| Semi-finals | Rice D./Thornley S. | Biryukov M./Sitak D. | 2:1 (7:6, 4:6, 11:9) | details | 07.10.2011 |
| Quarter-finals | Biryukov M./Sitak D. | Yalcinkale B./Yuksel A. | 2:0 (6:4, 6:4) | details | 06.10.2011 |
| 1/8-finals | Gemouchidis P./Niki T. | Biryukov M./Sitak D. | 0:2 (4:6, 3:6) | details | 05.10.2011 |
| Russia: Moscow 4 - Doubles - Main |
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| Semi-finals | Kuznetsov An./Pavlovs D. | Sitak D./Vlasov D. | 2:0 (6:3, 6:2) | details | 18.08.2011 |
| Quarter-finals | Frantzen R./Van der Meer N. | Sitak D./Vlasov D. | 1:2 (6:2, 5:7, 6:10) | details | 17.08.2011 |
| 1/8-finals | Sitak D./Vlasov D. | Brydolf P./Reshetnikov V. | 2:1 (4:6, 6:3, 10:8) | details | 16.08.2011 |
| Russia: Moscow 3 - Doubles - Main |
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| Quarter-finals | Manegin A./Sitak D. | Baluda V./Rumyantsev A. | 0:2 (4:6, 4:6) | details | 03.08.2011 |
| 1/8-finals | Manegin A./Sitak D. | Mamtadzhi L./Uzakov V. | WO. | details | 02.08.2011 |
| Russia: Penza - Doubles - Main |
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| Quarter-finals | Chiudinelli M./Sitak D. | Vasiliev M./Weintraub A. | 1:2 (2:6, 6:3, 7:10) | details | 20.07.2011 |
| 1/8-finals | Gasparyan E./Reshetnikov V. | Chiudinelli M./Sitak D. | 0:2 (1:6, 2:6) | details | 19.07.2011 |
 Morocco: Casablanca - Doubles - Main |
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| 1/8-finals | Marx P./Zelenay I. | Dolgopolov A./Sitak D. | 2:0 (7:5, 6:4) | details | 05.04.2010 |
 France: Metz - Doubles - Main |
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| 1/8-finals | Korolev E./Sitak D. | Hutchins R./Kerr J. | 1:2 (6:4, 0:6, 6:7) | details | 22.09.2009 |
| Russia: Moscow - Doubles - Main |
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| 1/8-finals | Sitak A./Sitak D. | Mukhometov P./Smirnov E. | 0:2 (2:6, 3:6) | details | 12.10.2005 |
 United Arab Emirates: Dubai - Doubles - Main |
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| 1/8-finals | Ghareeb A./Sitak D. | Bjorkman J./Santoro F. | 0:2 (3:6, 3:6) | details | 23.02.2005 |
 Uzbekistan: Tashkent - Doubles - Main |
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| 1/8-finals | Sluiter R./Verkerk M. | Inoyatov M./Sitak D. | 2:0 (6:4, 6:2) | details | 10.09.2002 |
 USA: Newport - Doubles - Main |
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| 1/8-finals | Shimada T./Spencer K. | Schuttler R./Sitak D. | 2:0 (6:4, 6:3) | details | 09.07.2001 |
Italy: San Benedetto - Singles - Main
Denmark: Kolding - Singles - Main
Switzerland: Geneva - Singles - Main
Ukraine: Dnepropetrovsk - Singles - Main