27‑Nov‑2001 | Spain F16 | Clay | R32 | 414 | 701 | (WC)David Marrero [ESP] d. Hajek | 7-5 6-4 | | | | | | | | | |
20‑Nov‑2001 | Spain F15 | Clay | QF | 422 | 220 | (3)David Ferrer [ESP] d. Hajek | 6-0 6-3 | | | | | | | | | |
20‑Nov‑2001 | Spain F15 | Clay | R16 | 422 | 374 | Hajek d. Mariano Albert Ferrando [ESP] | 7-6(5) 6-4 | | | | | | | | | |
20‑Nov‑2001 | Spain F15 | Clay | R32 | 422 | 704 | Hajek d. (WC)David Marrero [ESP] | 2-6 6-3 6-2 | | | | | | | | | |
12‑Nov‑2001 | Czech Rep F6 | Hard | QF | 421 | 331 | Frantisek Cermak [CZE] d. Hajek | 6-1 6-3 | | | | | | | | | |
12‑Nov‑2001 | Czech Rep F6 | Hard | R16 | 421 | 714 | Hajek d. (Q)Josef Nesticky [CZE] | 6-4 7-6(10) | | | | | | | | | |
12‑Nov‑2001 | Czech Rep F6 | Hard | R32 | 421 | | Hajek d. (WC)Adam Vejmelka [CZE] | 4-6 6-3 6-2 | | | | | | | | | |
29‑Oct‑2001 | Venezuela F2 | Clay | R32 | 361 | 766 | (Q)Zsolt Tatar [HUN] d. (2)Hajek | 6-3 6-2 | | | | | | | | | |
22‑Oct‑2001 | Venezuela F1 | Clay | R16 | 362 | 719 | Antonio Baldellou Esteva [ESP] d. (1)Hajek | 6-4 6-3 | | | | | | | | | |
22‑Oct‑2001 | Venezuela F1 | Clay | R32 | 362 | | (1)Hajek d. (Q)Carlos Avellan [ECU] | 6-4 6-3 | | | | | | | | | |
15‑Oct‑2001 | Quito CH | Clay | R32 | 362 | 241 | (6)Hermes Gamonal [CHI] d. Hajek | 6-4 7-5 | | | | | | | | | |
1‑Oct‑2001 | France F18 | Hard | R32 | 360 | 1377 | (Q)Josh Goffi [BRA] d. Hajek | 4-6 6-1 6-4 | | | | | | | | | |
10‑Sep‑2001 | Sofia CH | Clay | R16 | 383 | 207 | (4)Vasilis Mazarakis [GRE] d. Hajek | 6-3 RET | | | | | | | | | |
10‑Sep‑2001 | Sofia CH | Clay | R32 | 383 | 304 | Hajek d. Ivan Navarro [ESP] | 5-7 7-6(13) 6-1 | | | | | | | | | |
3‑Sep‑2001 | Poland F3 | Clay | QF | 399 | 640 | Charles Edouard Maria [FRA] d. (3)Hajek | 5-7 6-4 6-1 | | | | | | | | | |
3‑Sep‑2001 | Poland F3 | Clay | R16 | 399 | | (3)Hajek d. (Q)Benjamin Budziak [POL] | 6-1 7-5 | | | | | | | | | |
3‑Sep‑2001 | Poland F3 | Clay | R32 | 399 | 1346 | (3)Hajek d. (WC)Filip Urban [POL] | 7-6(3) 6-4 | | | | | | | | | |
27‑Aug‑2001 | Poland F2 | Clay | F | 399 | 588 | (8)Mariusz Fyrstenberg [POL] d. (3)Hajek | 6-3 6-4 | | | | | | | | | |
27‑Aug‑2001 | Poland F2 | Clay | SF | 399 | 391 | (3)Hajek d. (2)Lukasz Kubot [POL] | 6-4 6-2 | | | | | | | | | |
27‑Aug‑2001 | Poland F2 | Clay | QF | 399 | 591 | (3)Hajek d. (7)Daniel Lencina Ribes [LTU] | 7-5 6-4 | | | | | | | | | |
27‑Aug‑2001 | Poland F2 | Clay | R16 | 399 | 726 | (3)Hajek d. (SE)Christian Grunes [GER] | 6-3 6-1 | | | | | | | | | |
27‑Aug‑2001 | Poland F2 | Clay | R32 | 399 | | (3)Hajek d. (Q)Kamil Lewandowicz [POL] | 6-0 6-1 | | | | | | | | | |
13‑Aug‑2001 | Nigeria F1 | Hard | R32 | 395 | 863 | Gwenael Gueit [FRA] d. (1)Hajek | 7-6(1) 3-0 RET | | | | | | | | | |
23‑Jul‑2001 | Italy F9 | Clay | QF | 438 | 631 | Florian Allgauer [ITA] d. (3)Hajek | 7-6(7) 7-6(6) | | | | | | | | | |
23‑Jul‑2001 | Italy F9 | Clay | R16 | 438 | 701 | (3)Hajek d. Daniel Norberg [SWE] | 6-3 6-1 | | | | | | | | | |
23‑Jul‑2001 | Italy F9 | Clay | R32 | 438 | 662 | (3)Hajek d. (WC)Mario Radic [CRO] | 3-6 6-1 6-3 | | | | | | | | | |
16‑Jul‑2001 | Slovak Rep F6 | Clay | F | 446 | 374 | (2)Hajek d. (1)Juraj Hasko [SVK] | 6-4 6-7(2) 7-5 | | | | | | | | | |
16‑Jul‑2001 | Slovak Rep F6 | Clay | SF | 446 | 548 | (2)Hajek d. (4)Martin Bartonek [CZE] | 6-1 6-2 | | | | | | | | | |
16‑Jul‑2001 | Slovak Rep F6 | Clay | QF | 446 | 967 | (2)Hajek d. (LL)Martin Slanar [AUT] | 6-1 6-4 | | | | | | | | | |
16‑Jul‑2001 | Slovak Rep F6 | Clay | R16 | 446 | | (2)Hajek d. (Q)Ladislav Chramosta [CZE] | 2-6 6-1 6-1 | | | | | | | | | |
16‑Jul‑2001 | Slovak Rep F6 | Clay | R32 | 446 | 1040 | (2)Hajek d. (Q)Michal Kokta [CZE] | 6-4 6-3 | | | | | | | | | |
9‑Jul‑2001 | Slovak Rep F5 | Clay | QF | 473 | 596 | (6)Lukas Dlouhy [CZE] d. (3)Hajek | 7-6(5) 6-1 | | | | | | | | | |
9‑Jul‑2001 | Slovak Rep F5 | Clay | R16 | 473 | 991 | (3)Hajek d. (Q)Jan Mertl [CZE] | 6-7(1) 6-3 6-4 | | | | | | | | | |
9‑Jul‑2001 | Slovak Rep F5 | Clay | R32 | 473 | 674 | (3)Hajek d. Miloslav Grolmus [SVK] | 6-4 6-7(5) 6-3 | | | | | | | | | |
2‑Jul‑2001 | Slovak Rep F4 | Clay | SF | 468 | 387 | (3)Juraj Hasko [SVK] d. (6)Hajek | 7-6(2) 6-0 | | | | | | | | | |
2‑Jul‑2001 | Slovak Rep F4 | Clay | QF | 468 | 364 | (6)Hajek d. (2)Michal Mertinak [SVK] | 6-1 6-2 | | | | | | | | | |
2‑Jul‑2001 | Slovak Rep F4 | Clay | R16 | 468 | 677 | (6)Hajek d. Miloslav Grolmus [SVK] | 6-4 6-1 | | | | | | | | | |
2‑Jul‑2001 | Slovak Rep F4 | Clay | R32 | 468 | 592 | (6)Hajek d. Lukas Dlouhy [CZE] | 7-6(3) 6-2 | | | | | | | | | |
25‑Jun‑2001 | Hungary F1 | Clay | R16 | 468 | 454 | (8)Boris Borgula [SVK] d. Hajek | 1-6 7-5 6-2 | | | | | | | | | |
25‑Jun‑2001 | Hungary F1 | Clay | R32 | 468 | 744 | Hajek d. (WC)Laszlo Fono [HUN] | 6-0 6-4 | | | | | | | | | |
11‑Jun‑2001 | Slovenia F2 | Clay | QF | 480 | 377 | (2)Kim Tiilikainen [FIN] d. (8)Hajek | 6-2 6-1 | | | | | | | | | |
11‑Jun‑2001 | Slovenia F2 | Clay | R16 | 480 | 622 | (8)Hajek d. Daniel Lencina Ribes [LTU] | 6-2 6-1 | | | | | | | | | |
11‑Jun‑2001 | Slovenia F2 | Clay | R32 | 480 | 1344 | (8)Hajek d. (Q)Kresimir Ritz [CRO] | 6-0 1-6 7-6(6) | | | | | | | | | |
4‑Jun‑2001 | Czech Rep F3 | Clay | R32 | 525 | 871 | (Q)Thomas Messmer [GER] d. (8)Hajek | 6-2 7-5 | | | | | | | | | |
28‑May‑2001 | Czech Rep F2 | Clay | F | 525 | 318 | (2)Didac Perez [ESP] d. Hajek | 2-6 6-4 6-2 | | | | | | | | | |
28‑May‑2001 | Czech Rep F2 | Clay | SF | 525 | 939 | Hajek d. (Q)Mario Radic [CRO] | 2-6 6-3 7-6(4) | | | | | | | | | |
28‑May‑2001 | Czech Rep F2 | Clay | QF | 525 | 709 | Hajek d. (SE)Radovan Svetlik [CZE] | 6-3 6-4 | | | | | | | | | |
28‑May‑2001 | Czech Rep F2 | Clay | R16 | 525 | 452 | Hajek d. (8)Branislav Sekac [SVK] | 6-1 1-6 6-3 | | | | | | | | | |
28‑May‑2001 | Czech Rep F2 | Clay | R32 | 525 | | Hajek d. (WC)Adam Vejmelka [CZE] | 6-2 6-1 | | | | | | | | | |
21‑May‑2001 | Czech Rep F1 | Clay | QF | 528 | 1320 | (Q)Jan Mertl [CZE] d. (8)Hajek | 6-3 5-7 6-3 | | | | | | | | | |
21‑May‑2001 | Czech Rep F1 | Clay | R16 | 528 | 657 | (8)Hajek d. Jakub Hasek [CZE] | 6-1 6-3 | | | | | | | | | |
21‑May‑2001 | Czech Rep F1 | Clay | R32 | 528 | 768 | (8)Hajek d. Jan Riha [CZE] | 6-1 6-0 | | | | | | | | | |
14‑May‑2001 | Prague CH | Clay | R32 | 538 | 148 | (5)Tomas Zib [CZE] d. (WC)Hajek | 6-2 6-3 | | | | | | | | | |
7‑May‑2001 | Italy F2 | Clay | R32 | 534 | 445 | (8)Christopher Kas [GER] d. Hajek | 6-4 7-5 | | | | | | | | | |
30‑Apr‑2001 | Slovak Rep F1 | Clay | R32 | 533 | 559 | Jacob Adaktusson [SWE] d. Hajek | 4-6 6-1 6-4 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 1 | Clay | F | 597 | 611 | (3)Petr Dezort [CZE] d. Hajek | 6-4 6-4 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 1 | Clay | SF | 597 | 454 | Hajek d. (4)Remus Farcas [ROU] | 7-5 7-6(5) | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 1 | Clay | QF | 597 | 579 | Hajek d. (7)Hisham Hemeda [EGY] | 6-4 6-2 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 4 | Clay | QF | 597 | 603 | Artemon Apostu Efremov [ROU] d. Hajek | 6-3 6-2 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 1 | Clay | R16 | 597 | 449 | Hajek d. (1)Boris Borgula [SVK] | 6-3 7-6(0) | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 3 | Clay | R16 | 597 | 303 | (1)Amro Ghoneim [EGY] d. Hajek | 6-3 6-4 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 4 | Clay | R16 | 597 | 616 | Hajek d. Robert Samuelsson [SWE] | 6-2 7-5 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 1 | Clay | R32 | 597 | 616 | Hajek d. Robert Samuelsson [SWE] | 6-0 4-6 7-5 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 2 | Clay | R32 | 597 | 603 | (3)Artemon Apostu Efremov [ROU] d. Hajek | 7-6(7) 6-3 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 3 | Clay | R32 | 597 | | Hajek d. (WC)Mohamed Abdel Moneim [EGY] | 6-1 6-3 | | | | | | | | | |
19‑Mar‑2001 | Egypt 1 4 | Clay | R32 | 597 | 520 | Hajek d. (7)Marc Canovas [ESP] | 3-6 6-4 6-3 | | | | | | | | | |
19‑Feb‑2001 | Croatia F2 | Hard | R16 | 613 | 387 | (3)Lovro Zovko [CRO] d. (Q)Hajek | 6-4 2-0 RET | | | | | | | | | |
19‑Feb‑2001 | Croatia F2 | Hard | R32 | 613 | 475 | (Q)Hajek d. Potito Starace [ITA] | 6-2 6-3 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 2 | Clay | R16 | 648 | 531 | (6)Pedro Canovas [ESP] d. Hajek | 6-4 6-2 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 3 | Clay | R16 | 648 | 849 | (Q)Ezequiel Velez [ESP] d. Hajek | 7-6(6) 6-0 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 4 | Clay | R16 | 648 | 350 | (2)Pavel Snobel [CZE] d. Hajek | 6-4 6-0 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 1 | Clay | R32 | 648 | 370 | (2)Eduardo Nicolas [ESP] d. Hajek | 7-5 6-2 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 2 | Clay | R32 | 648 | 946 | Hajek d. Mattia Livraghi [ITA] | 6-3 6-0 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 3 | Clay | R32 | 648 | 525 | Hajek d. (8)Carlos Cuadrado [ESP] | 6-2 6-4 | | | | | | | | | |
8‑Jan‑2001 | Spain 1 4 | Clay | R32 | 648 | 697 | Hajek d. Daniel Lencina Ribes [LTU] | 6-4 7-6(7) | | | | | | | | | |