30‑Nov‑2009 | Khanty-Mansiysk CH | Carpet | R32 | 359 | 332 | (7)Petru Alexandru Luncanu [ROU] d. (Q)Sitak | 7-6(3) 6-2 | | | | | | | | | |
16‑Nov‑2009 | USA F29 | Clay | F | 384 | 1027 | (WC)Jack Sock [USA] d. (2)Sitak | 7-6(5) 1-6 6-3 | | | | | | | | | |
16‑Nov‑2009 | USA F29 | Clay | SF | 384 | 565 | (2)Sitak d. James Lemke [AUS] | 3-6 6-3 6-2 | | | | | | | | | |
16‑Nov‑2009 | USA F29 | Clay | QF | 384 | 649 | (2)Sitak d. (8)Alexander Domijan [USA] | 6-3 6-4 | | | | | | | | | |
16‑Nov‑2009 | USA F29 | Clay | R16 | 384 | 719 | (2)Sitak d. Ladislav Chramosta [CZE] | 1-6 7-6(3) 6-0 | | | | | | | | | |
16‑Nov‑2009 | USA F29 | Clay | R32 | 384 | | (2)Sitak d. (Q)Joey B Burkhardt [USA] | 7-5 6-2 | | | | | | | | | |
9‑Nov‑2009 | USA F28 | Clay | R16 | 390 | 663 | James Lemke [AUS] d. (3)Sitak | 5-7 6-3 6-1 | | | | | | | | | |
9‑Nov‑2009 | USA F28 | Clay | R32 | 390 | | (3)Sitak d. (WC)Aaron May [USA] | 6-4 6-1 | | | | | | | | | |
2‑Nov‑2009 | USA F27 | Clay | QF | 387 | 477 | (5)Greg Ouellette [USA] d. (2)Sitak | 7-6(3) 6-3 | | | | | | | | | |
2‑Nov‑2009 | USA F27 | Clay | R16 | 387 | 935 | (2)Sitak d. Roy Kalmanovich [USA] | 7-6(3) 6-3 | | | | | | | | | |
2‑Nov‑2009 | USA F27 | Clay | R32 | 387 | 989 | (2)Sitak d. Max Jones [GBR] | 6-1 6-3 | | | | | | | | | |
12‑Oct‑2009 | Tiburon CH | Hard | R32 | 335 | 270 | (Q)Izak Van Der Merwe [RSA] d. (LL)Sitak | 7-5 1-6 6-2 | | | | | | | | | |
21‑Sep‑2009 | USA F23 | Hard | R16 | 347 | 683 | Blake Strode [USA] d. (3)Sitak | 6-1 6-3 | | | | | | | | | |
21‑Sep‑2009 | USA F23 | Hard | R32 | 347 | 994 | (3)Sitak d. (Q)Miliaan Niesten [NED] | 6-4 6-3 | | | | | | | | | |
14‑Sep‑2009 | Tulsa CH | Hard | QF | 371 | 240 | Todd Widom [USA] d. Sitak | 6-2 7-6(13) | | | | | | | | | |
14‑Sep‑2009 | Tulsa CH | Hard | R16 | 371 | 243 | Sitak d. Prakash Amritraj [IND] | 6-4 7-6(4) | | | | | | | | | |
14‑Sep‑2009 | Tulsa CH | Hard | R32 | 371 | 337 | Sitak d. Michael Mcclune [USA] | 7-5 7-5 | | | | | | | | | |
31‑Aug‑2009 | Russia F7 | Clay | F | 404 | 353 | (1)Evgeny Kirillov [RUS] d. (2)Sitak | 6-3 6-0 | | | | | | | | | |
31‑Aug‑2009 | Russia F7 | Clay | SF | 404 | 1112 | (2)Sitak d. Sergey Betov [BLR] | 6-3 6-2 | | | | | | | | | |
31‑Aug‑2009 | Russia F7 | Clay | QF | 404 | 676 | (2)Sitak d. (7)Vladimir Karusevich [RUS] | 6-1 6-2 | | | | | | | | | |
31‑Aug‑2009 | Russia F7 | Clay | R16 | 404 | 933 | (2)Sitak d. Roman Tudoreanu [MDA] | 6-3 6-1 | | | | | | | | | |
31‑Aug‑2009 | Russia F7 | Clay | R32 | 404 | 1744 | (2)Sitak d. (Q)Vladimir Zinyakov [RUS] | 6-4 6-2 | | | | | | | | | |
24‑Aug‑2009 | Russia F6 | Clay | SF | 419 | 709 | (8)Mikhail Fufygin [RUS] d. (3)Sitak | 7-6(2) 3-6 6-1 | | | | | | | | | |
24‑Aug‑2009 | Russia F6 | Clay | QF | 419 | 870 | (3)Sitak d. Ivan Anikanov [UKR] | 6-2 6-4 | | | | | | | | | |
24‑Aug‑2009 | Russia F6 | Clay | R16 | 419 | | (3)Sitak d. (WC)Egor Kovalev [RUS] | 6-4 6-0 | | | | | | | | | |
24‑Aug‑2009 | Russia F6 | Clay | R32 | 419 | | (3)Sitak d. (LL)Shalva Dzhanashia [RUS] | 6-0 6-2 | | | | | | | | | |
17‑Aug‑2009 | Russia F5 | Clay | SF | 450 | 354 | (2)Artem Smirnov [UKR] d. (6)Sitak | 5-7 6-4 7-5 | | | | | | | | | |
17‑Aug‑2009 | Russia F5 | Clay | QF | 450 | 459 | (6)Sitak d. (3)Konstantin Kravchuk [RUS] | 6-7(4) 6-0 6-0 | | | | | | | | | |
17‑Aug‑2009 | Russia F5 | Clay | R16 | 450 | 714 | (6)Sitak d. Nikoloz Basilashvili [GEO] | 6-3 6-2 | | | | | | | | | |
17‑Aug‑2009 | Russia F5 | Clay | R32 | 450 | 1157 | (6)Sitak d. (WC)Anton Manegin [RUS] | 6-3 6-1 | | | | | | | | | |
10‑Aug‑2009 | Russia F4 | Clay | SF | 475 | 626 | Andrey Kuznetsov [RUS] d. (7)Sitak | 6-4 6-4 | | | | | | | | | |
10‑Aug‑2009 | Russia F4 | Clay | QF | 475 | 722 | (7)Sitak d. Nikoloz Basilashvili [GEO] | 6-3 6-1 | | | | | | | | | |
10‑Aug‑2009 | Russia F4 | Clay | R16 | 475 | 731 | (7)Sitak d. Mikhail Fufygin [RUS] | 6-4 6-2 | | | | | | | | | |
10‑Aug‑2009 | Russia F4 | Clay | R32 | 475 | 658 | (7)Sitak d. Michal Przysiezny [POL] | 3-6 6-4 6-3 | | | | | | | | | |
3‑Aug‑2009 | Russia F3 | Clay | SF | 486 | 342 | (5)Guillaume Rufin [FRA] d. Sitak | 6-4 6-3 | | | | | | | | | |
3‑Aug‑2009 | Russia F3 | Clay | QF | 486 | 341 | Sitak d. (3)Ilya Belyaev [RUS] | 6-1 6-3 | | | | | | | | | |
3‑Aug‑2009 | Russia F3 | Clay | R16 | 486 | 453 | Sitak d. Evgeny Donskoy [RUS] | 7-6(11) 6-4 | | | | | | | | | |
3‑Aug‑2009 | Russia F3 | Clay | R32 | 486 | | Sitak d. (WC)Alexander Rumyantsev [RUS] | 3-6 6-1 6-1 | | | | | | | | | |
27‑Jul‑2009 | Saransk CH | Clay | R32 | 490 | 301 | Matwe Middelkoop [NED] d. (LL)Sitak | 6-4 6-2 | | | | | | | | | |
6‑Jul‑2009 | Newport | Grass | Q2 | 484 | 231 | (2)Simon Stadler [GER] d. Sitak | 6-2 6-1 | | | | | | | | | |
6‑Jul‑2009 | Newport | Grass | Q1 | 484 | 1689 | Sitak d. Jamie Gresh [USA] | 6-4 6-3 | | | | | | | | | |
29‑Jun‑2009 | USA F15 | Clay | QF | 484 | 608 | (7)Gastao Elias [POR] d. (4)Sitak | 6-3 6-0 | | | | | | | | | |
29‑Jun‑2009 | USA F15 | Clay | R16 | 484 | 1519 | (4)Sitak d. (Q)Steve Johnson [USA] | 6-7(5) 6-1 7-5 | | | | | | | | | |
29‑Jun‑2009 | USA F15 | Clay | R32 | 484 | 756 | (4)Sitak d. Marcus Fugate [USA] | 7-5 6-1 | | | | | | | | | |
22‑Jun‑2009 | USA F14 | Hard | R32 | 484 | 981 | Ryan Harrison [USA] d. Sitak | 6-1 6-4 | | | | | | | | | |
15‑Jun‑2009 | USA F13 | Hard | R32 | 526 | 272 | (2)Carlos Salamanca [COL] d. (SE)Sitak | 6-2 6-2 | | | | | | | | | |
8‑Jun‑2009 | USA F12 | Hard | F | 524 | 350 | (5)Jesse Witten [USA] d. (Q)Sitak | 4-6 7-6(5) 6-2 | | | | | | | | | |
8‑Jun‑2009 | USA F12 | Hard | SF | 524 | 443 | (Q)Sitak d. Daniel Yoo [KOR] | 6-4 6-4 | | | | | | | | | |
8‑Jun‑2009 | USA F12 | Hard | QF | 524 | 533 | (Q)Sitak d. (Q)Tim Smyczek [USA] | 6-4 6-3 | | | | | | | | | |
8‑Jun‑2009 | USA F12 | Hard | R16 | 524 | 441 | (Q)Sitak d. (Q)Alejandro Gonzalez [COL] | 6-7(6) 6-0 6-2 | | | | | | | | | |
8‑Jun‑2009 | USA F12 | Hard | R32 | 524 | 402 | (Q)Sitak d. Tigran Martirosyan [ARM] | 6-4 2-6 6-3 | | | | | | | | | |
18‑May‑2009 | Fergana CH | Hard | QF | 595 | 397 | (Q)Evgeny Kirillov [RUS] d. (Q)Sitak | 6-1 6-2 | | | | | | | | | |
18‑May‑2009 | Fergana CH | Hard | R16 | 595 | 375 | (Q)Sitak d. Woong Sun Jun [KOR] | 4-6 6-1 6-4 | | | | | | | | | |
18‑May‑2009 | Fergana CH | Hard | R32 | 595 | 299 | (Q)Sitak d. Junn Mitsuhashi [JPN] | 7-5 1-6 6-3 | | | | | | | | | |
6‑Apr‑2009 | Houston | Clay | Q1 | 459 | 518 | Filip Krajinovic [SRB] d. Sitak | 6-2 6-3 | | | | | | | | | |
30‑Mar‑2009 | USA F7 | Hard | R16 | 468 | 730 | (Q)Milos Raonic [CAN] d. Sitak | 3-6 6-2 6-2 | | | | | | | | | |
30‑Mar‑2009 | USA F7 | Hard | R32 | 468 | 274 | Sitak d. (1)Ryler Deheart [USA] | 7-6(4) 6-1 | | | | | | | | | |
23‑Mar‑2009 | New Zealand F3 | Hard | QF | 468 | 300 | (2)Tatsuma Ito [JPN] d. (5)Sitak | 7-5 2-6 6-3 | | | | | | | | | |
23‑Mar‑2009 | New Zealand F3 | Hard | R16 | 468 | 972 | (5)Sitak d. (Q)Rylan Rizza [USA] | 6-1 6-1 | | | | | | | | | |
23‑Mar‑2009 | New Zealand F3 | Hard | R32 | 468 | 675 | (5)Sitak d. Haydn Lewis [BAR] | 3-6 6-2 6-1 | | | | | | | | | |
16‑Mar‑2009 | New Zealand F2 | Hard | R32 | 406 | 1066 | (Q)Andrew Thomas [AUS] d. (6)Sitak | 2-6 6-3 6-4 | | | | | | | | | |
9‑Mar‑2009 | New Zealand F1 | Hard | SF | 406 | 379 | (2)Adam Feeney [AUS] d. (4)Sitak | 7-5 7-6(6) | | | | | | | | | |
9‑Mar‑2009 | New Zealand F1 | Hard | QF | 406 | 433 | (4)Sitak d. (5)Jose Rubin Statham [NZL] | 7-6(5) 6-0 | | | | | | | | | |
9‑Mar‑2009 | New Zealand F1 | Hard | R16 | 406 | 587 | (4)Sitak d. Young Jun Kim [KOR] | 7-5 7-6(2) | | | | | | | | | |
9‑Mar‑2009 | New Zealand F1 | Hard | R32 | 406 | | (4)Sitak d. Gd Jones [NZL] | 6-1 6-4 | | | | | | | | | |
9‑Feb‑2009 | San Jose | Hard | Q1 | 394 | 270 | Todd Widom [USA] d. Sitak | 6-4 6-0 | | | | | | | | | |
26‑Jan‑2009 | Carson CH | Hard | R32 | 371 | 133 | (7)Donald Young [USA] d. (Q)Sitak | 6-2 6-3 | | | | | | | | | |
19‑Jan‑2009 | USA F2 | Clay | R16 | 371 | 589 | (Q)Aleksander Slovic [SRB] d. (3)Sitak | 6-4 4-6 6-2 | | | | | | | | | |
19‑Jan‑2009 | USA F2 | Clay | R32 | 371 | 532 | (3)Sitak d. Milan Pokrajac [CAN] | 6-1 6-2 | | | | | | | | | |
12‑Jan‑2009 | USA F1 | Clay | R32 | 371 | 683 | Simeon Ivanov [BUL] d. (5)Sitak | 6-3 6-3 | | | | | | | | | |