 World: Davis Cup - Singles - Main |
|---|
| | Llodra M. | Okun N. | 2:0 (6:3, 7:65) | details | 03.02.2013 |
 Israel: Ramat Hasharon - Singles - Main |
|---|
| Semi-finals | Lammer M. | Okun N. | 2:1 (2:6, 6:3, 6:4) | details | 18.05.2012 |
| Quarter-finals | Ben Zvi G. | Okun N. | 0:2 (1:6, 3:6) | details | 17.05.2012 |
| 1/8-finals | Okun N. | Botti K. | 2:0 (6:2, 6:1) | details | 16.05.2012 |
| 1/16-finals | Okun N. | Jones J. | 2:0 (6:2, 6:0) | details | 15.05.2012 |
 Russia: St. Petersburg - Singles - Qualification |
|---|
| Semi-finals | Luncanu P. | Okun N. | 2:1 (3:6, 6:2, 7:6) | details | 24.10.2010 |
| Quarter-finals | Marfinsky D. | Okun N. | 0:2 (2:6, 3:6) | details | 23.10.2010 |
| Russia: Moscow - Singles - Qualification |
|---|
| Quarter-finals | Okun N. | Recouderc L. | 1:2 (1:6, 7:6, 5:7) | details | 16.10.2010 |
 Uzbekistan: Tashkent - Singles - Main |
|---|
| 1/16-finals | Junaid R. | Okun N. | 2:1 (2:6, 6:3, 6:2) | details | 12.10.2010 |
 Turkey: Izmir - Singles - Main |
|---|
| 1/16-finals | Okun N. | Vasiliev M. | CAN. | details | 20.09.2010 |
 USA: US Open - Singles - Qualification |
|---|
| Final | Okun N. | Dodig I. | 0:2 (4:6, 3:6) | details | 28.08.2010 |
| Semi-finals | Tomic B. | Okun N. | 1:2 (6:1, 3:6, 2:6) | details | 27.08.2010 |
| Quarter-finals | Johnson S. | Okun N. | 0:2 (4:6, 2:6) | details | 26.08.2010 |
| USA: Binghamton - Singles - Main |
|---|
| | Lindahl N. | Okun N. | CAN. | details | 10.08.2010 |
| USA: Winnetka - Singles - Main |
|---|
| 1/16-finals | Okun N. | Brugues-Davi A. | 0:2 (6:7, 3:6) | details | 29.06.2010 |
 United Kingdom: Wimbledon - Singles - Qualification |
|---|
| Quarter-finals | Okun N. | Ghedin R. | 0:2 (6:7, 2:6) | details | 14.06.2010 |
 Germany: Halle - Singles - Main |
|---|
| 1/16-finals - 1. Round | Okun N. | Falla A. | 0:2 (4:6, 3:6) | details | 09.06.2010 |
| Uzbekistan: Fergana - Singles - Main |
|---|
| Quarter-finals | Kudryavtsev A. | Okun N. | 2:0 (6:3, 6:2) | details | 20.05.2010 |
| 1/8-finals | Uzakov V. | Okun N. | 0:2 (2:6, 2:6) | details | 19.05.2010 |
| 1/16-finals | Ledovskikh M. | Okun N. | 0:2 (6:7, 6:7) | details | 18.05.2010 |
 South Korea: Busan - Singles - Main |
|---|
| 1/16-finals | Okun N. | Lim Y-K. | 0:2 (1:6, 2:6) | details | 11.05.2010 |
| Israel: Ramat Hasharon - Singles - Main |
|---|
| 1/16-finals | Niland C. | Okun N. | 2:1 (6:4, 4:6, 6:3) | details | 03.05.2010 |
 Greece: Athens - Singles - Main |
|---|
| 1/8-finals | Okun N. | Muller G. | 0:2 (2:6, 2:6) | details | 22.04.2010 |
| 1/16-finals | Haase R. | Okun N. | 1:2 (1:6, 7:5, 4:6) | details | 20.04.2010 |
 South Africa: Johannesburg - Singles - Main |
|---|
| 1/8-finals | Okun N. | Brown D. | 1:2 (7:6, 5:7, 4:6) | details | 15.04.2010 |
| 1/16-finals | Groth S. | Okun N. | 1:2 (0:6, 6:1, 6:7) | details | 13.04.2010 |
| 1/8-finals | Okun N. | Brown D. | 0:2 (1:6, 1:6) | details | 05.04.2010 |
| South Africa: Johannesburg - Singles - Main |
|---|
| 1/16-finals | Van der Merwe I. | Okun N. | 2:0 (7:6, 7:6) | details | 02.02.2010 |
 Australia: Australian Open - Singles - Qualification |
|---|
| 1/32-finals | Przysiezny M. | Okun N. | 2:1 (2:6, 7:5, 6:1) | details | 14.01.2010 |
| 1/64-finals | Okun N. | Capdeville P. | 2:1 (6:4, 6:7, 6:4) | details | 13.01.2010 |
 India: Chennai - Singles - Qualification |
|---|
| Final | Ward J. | Okun N. | 2:0 (6:2, 6:3) | details | 04.01.2010 |
| Semi-finals | Okun N. | Ito T. | 2:0 (6:2, 6:2) | details | 03.01.2010 |
| Russia: Khanty Mansiysk - Singles - Main |
|---|
| | Okun N. | Mertl J. | 1:2 (7:6, 6:7, 5:7) | details | 03.12.2009 |
| | Okun N. | Fufygin M. | 2:1 (6:7, 6:4, 6:1) | details | 02.12.2009 |
 Finland: Helsinky - Singles - Main |
|---|
| | Okun N. | Kamke T. | 0:1 RET. (4:6, 0:1) | details | 24.11.2009 |
 Kazakhstan: Astana - Singles - Main |
|---|
| | Phau B. | Okun N. | 2:0 (6:3, 7:5) | details | 04.11.2009 |
| | Okun N. | Sergeyev I. | 2:0 (6:3, 6:2) | details | 03.11.2009 |
| Russia: Moscow - Singles - Qualification |
|---|
| | Okun N. | Marchenko I. | 1:2 (3:6, 6:3, 4:6) | details | 18.10.2009 |
 China: Shanghai - Singles - Qualification |
|---|
| | Mayer F. | Okun N. | 2:0 (6:3, 6:4) | details | 11.10.2009 |
| | Okun N. | Evans B. | 1:0 RET. | details | 10.10.2009 |
| USA: Winnetka - Singles - Main |
|---|
| 1/8-finals | Okun N. | Jenkins S. | 1:2 (6:2, 3:6, 4:6) | details | 02.07.2009 |
| 1/16-finals | Cook L. | Okun N. | 0:2 (3:6, 4:6) | details | 30.06.2009 |
 Italy: Cremona - Singles - Main |
|---|
| 1/16-finals | Bracciali D. | Okun N. | 2:1 (4:6, 6:3, 6:3) | details | 19.05.2009 |
| Israel: Ramat Hasharon - Singles - Main |
|---|
| 1/16-finals | Sela D. | Okun N. | 2:0 (6:1, 6:1) | details | 05.05.2009 |
| Greece: Rhodes - Singles - Main |
|---|
| 1/16-finals | Kim K. | Okun N. | 2:0 (6:4, 7:69) | details | 27.04.2009 |
| South Africa: Johannesburg - Singles - Main |
|---|
| 1/16-finals | Klaasen R. | Okun N. | 2:0 (6:4, 7:66) | details | 14.04.2009 |
 Thailand: Korat - Singles - Main |
|---|
| Quarter-finals | Okun N. | Ram R. | 1:2 (6:4, 65:7, 4:6) | details | 27.03.2009 |
| 1/8-finals | Montcourt M. | Okun N. | 1:2 (3:6, 6:4, 5:7) | details | 25.03.2009 |
| 1/16-finals | Okun N. | Donskoy E. | 2:0 (6:2, 6:3) | details | 24.03.2009 |