Slovenia: Maribor - Singles - Main |
| 1/16-finals | Lucak O. | Onken J. | 1:2 (6:3, 6:7, 2:6) | details | 04.06.2013 |
Bulgaria: Sofia - Singles - Main |
| 1/16-finals | Lucak O. | Panfil G. | 0:2 (2:6, 4:6) | details | 29.05.2013 |
Bulgaria: Varna - Singles - Main |
| 1/16-finals | Karlovskiy E. | Lucak O. | 2:1 (4:6, 6:0, 6:1) | details | 21.05.2013 |
Vietnam: Ho Chi Minh City - Singles - Main |
| 1/16-finals | Lucak O. | Wunner M. | 0:2 (6:7, 4:6) | details | 02.04.2013 |
Vietnam: Bac Lieu City - Singles - Main |
| 1/8-finals | Fitzpatrick A. | Lucak O. | 2:1 (4:6, 7:6, 6:1) | details | 28.03.2013 |
| 1/16-finals | Ly Nam H. | Lucak O. | 0:2 (3:6, 2:6) | details | 26.03.2013 |
Ukraine: Cherkassy 3 - Singles - Main |
| Quarter-finals | Lucak O. | Biryukov M. | 0:2 (3:6, 4:6) | details | 08.03.2013 |
| 1/8-finals | Ivanov V. | Lucak O. | 0:2 (6:7, 6:7) | details | 07.03.2013 |
| 1/16-finals | Shpilka K. | Lucak O. | 0:2 (1:6, 2:6) | details | 05.03.2013 |
Ukraine: Cherkassy 2 - Singles - Main |
| 1/8-finals | Dubarenco M. | Lucak O. | 2:0 (6:3, 6:4) | details | 28.02.2013 |
| 1/16-finals | Lucak O. | Alekseenko V. | 2:1 (4:6, 6:4, 7:6) | details | 26.02.2013 |
Ukraine: Cherkassy - Singles - Main |
| 1/8-finals | Lucak O. | Deviatiarov M. | 0:2 (4:6, 3:6) | details | 20.02.2013 |
| 1/16-finals | Weissborn S. | Lucak O. | 0:2 (2:6, 4:6) | details | 18.02.2013 |
Croatia: Zagreb - Singles - Main |
| 1/16-finals | Lucak O. | Mektic N. | 1:2 (7:6, 3:6, 2:6) | details | 12.02.2013 |
Israel: Eilat 3 - Singles - Main |
| 1/16-finals | Niesten M. | Lucak O. | 2:1 (6:2, 4:6, 6:3) | details | 28.01.2013 |
Germany: Stuttgart-Stammheim - Singles - Main |
| 1/16-finals | Martin F. | Lucak O. | 2:0 (6:1, 6:2) | details | 16.01.2013 |
Czech Republic: Jablonec nad Nisou 2 - Singles - Main |
| Quarter-finals | Lucak O. | Michalicka M. | 0:2 (6:7, 1:6) | details | 16.11.2012 |
| 1/8-finals | Gadomski P. | Lucak O. | 0:2 (4:6, 3:6) | details | 15.11.2012 |
| 1/16-finals | Kuncik J. | Lucak O. | 0:2 (6:7, 5:7) | details | 14.11.2012 |
Czech Republic: Opava - Singles - Main |
| Quarter-finals | Lucak O. | Pauffley N. | 0:2 (3:6, 3:6) | details | 09.11.2012 |
| 1/8-finals | Safranek V. | Lucak O. | 0:2 (1:6, 2:6) | details | 08.11.2012 |
| 1/16-finals | Lucak O. | Marsoun L. | 2:1 (6:3, 6:7, 6:3) | details | 07.11.2012 |
Qatar: Doha 4 - Singles - Main |
| Semi-finals | Angelinos T. | Lucak O. | 2:1 (6:4, 4:6, 6:1) | details | 19.10.2012 |
| Quarter-finals | Golding O. | Lucak O. | 1:2 (6:7, 6:1, 4:6) | details | 18.10.2012 |
| 1/8-finals | Lucak O. | Maqdes A. | 2:0 (6:4, 7:5) | details | 17.10.2012 |
| 1/16-finals | Lucak O. | Sichez R. | 2:0 (6:4, 6:0) | details | 16.10.2012 |
Qatar: Doha 3 - Singles - Main |
| Semi-finals | Chadaj A. | Lucak O. | 2:0 (7:6, 6:0) | details | 12.10.2012 |
| Quarter-finals | Malouli L. | Lucak O. | 1:2 (6:3, 3:6, 2:6) | details | 11.10.2012 |
| 1/8-finals | Hung J. | Lucak O. | 1:2 (3:6, 7:6, 3:6) | details | 10.10.2012 |
| 1/16-finals | Lucak O. | Balleret B. | 2:1 (6:3, 4:6, 6:4) | details | 09.10.2012 |
Qatar: Doha 2 - Singles - Main |
| 1/16-finals | Lucak O. | Semjan M. | 0:2 (3:6, 4:6) | details | 01.10.2012 |
Austria: St. Poelten - Singles - Main |
| 1/16-finals | Lucak O. | Pazicky M. | 0:2 (1:6, 3:6) | details | 27.08.2012 |
Slovakia: Tatranska Lomnica / Poprad - Singles - Main |
| 1/16-finals | Lucak O. | Jebavy R. | 0:2 (3:6, 2:6) | details | 15.08.2012 |
Czech Republic: Prague - Singles - Main |
| 1/16-finals | Gombos N. | Lucak O. | 2:1 (3:6, 6:1, 6:4) | details | 17.07.2012 |
Czech Republic: Prostejov - Singles - Main |
| 1/16-finals | Sikora A. | Lucak O. | 2:0 (7:5, 6:2) | details | 11.07.2012 |
Switzerland: Fallanden - Singles - Main |
| 1/16-finals | Roshardt R. | Lucak O. | 2:0 (7:62, 6:3) | details | 28.03.2012 |
Italy: Trento - Singles - Main |
| 1/8-finals | Crugnola M. | Lucak O. | 2:0 (6:1, 6:4) | details | 21.03.2012 |
| 1/16-finals | Lucak O. | Rovetta L. | 0:1 RET. (5:7, 2:0) | details | 19.03.2012 |
Croatia: Zagreb - Singles - Main |
| 1/16-finals | Dzumhur D. | Lucak O. | 2:0 (7:65, 6:1) | details | 14.02.2012 |
Czech Republic: Roznov pod Radhostem - Singles - Qualification |
| Semi-finals | Pitra T. | Lucak O. | 2:0 (6:3, 6:4) | details | 14.11.2011 |
United Kingdom: Cardiff - Singles - Main |
| 1/8-finals | Gawron M. | Lucak O. | 2:0 (6:3, 6:4) | details | 26.10.2011 |
| 1/16-finals | Oakley K. | Lucak O. | 0:2 (4:6, 1:6) | details | 25.10.2011 |
United Kingdom: Cardiff - Singles - Qualification |
| Final | Lucak O. | Ross-Hurst D. | 2:0 (6:2, 6:2) | details | 24.10.2011 |
| Semi-finals | Lucak O. | Jhun A. | 2:0 (6:4, 6:2) | details | 23.10.2011 |
Germany: Leimen - Singles - Qualification |
| Semi-finals | Otte O. | Lucak O. | 2:0 (6:1, 6:2) | details | 02.10.2011 |
Croatia: Vinkovci - Singles - Main |
| 1/16-finals | Khotulev S. | Lucak O. | 1:0 RET. (6:4, 3:1) | details | 23.08.2011 |