Russia
30.03.84, 41 years
25848 $
30.03.84, 41 years
25848 $
Country
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
Birthdate
Height
Weight
Profi since
Play
Ranking's position
Points
Prize money
USA
24.10.77, 47 years
15513 $
24.10.77, 47 years
15513 $
Sergei Demekhine vs. Justin O'Neal - head to head matches
| 18.02.08 | 1/4 | Sergei Demekhine | Justin O'Neal | 6-2, 7-64 | match details |  Cuba F2 | Hard |
Sergei Demekhine form & Justin O'Neal form
Sergei Demekhine - last matches
 Cremona Challenger - Hard | ||||
| 18.05.09 q 1 | vs. Franko Skugor | 3-6, 4-6 |  | match details |
 Moscow - I. hard | ||||
| 04.10.08 q 1 | vs. Ilya Belyaev | 1-6, 7-5, 4-6 | | match details |
| Russia F8 - Clay | ||||
| 15.09.08 1/4 | vs. Ilya Belyaev | 3-6, 0-6 | | match details |
| 15.09.08 1st round | vs. Andrei Ciumac | 6-4, 6-1 |  | match details |
| 15.09.08 2nd round | vs. Ervand Gasparyan | 6-3, 6-0 | | match details |
 Venezuela F5 - Hard | ||||
| 28.07.08 1st round | vs. Ricardo Urzua-Rivera | 4-6, 6-1, 2-6 | | match details |
| Venezuela F4 - Hard | ||||
| 21.07.08 1st round | vs. Fabrice Martin | 2-6, 0-6 | | match details |
 Belarus F2 - Hard | ||||
| 16.06.08 1st round | vs. Andrei Karatchenia | 6-75, 3-6 | | match details |
| Belarus F1 - Hard | ||||
| 09.06.08 1st round | vs. Miles Armstrong | 6-4, 3-6, 6-75 | | match details |
 Romania F4 - Clay | ||||
| 19.05.08 1st round | vs. Alexandru-Daniel Carpen | 7-65, 6-3 | | match details |
| 19.05.08 2nd round | vs. Teodor-Dacian Craciun | 4-6, 4-6 | | match details |
| Romania F3 - Clay | ||||
| 12.05.08 2nd round | vs. Petru-Alexandru Luncanu | 1-6, 5-7 | | match details |
| 12.05.08 1st round | vs. Ilya Belyaev | 6-4, 6-3 | | match details |
| Romania F2 - Clay | ||||
| 05.05.08 1/2 | vs. Razvan Sabau | 6-4, 6-3 | | match details |
| 05.05.08 1st round | vs. Anil Yuksel | 6-3, 6-3 | | match details |
| 05.05.08 fin | vs. Sergei Krotiouk | 5-7, 6-1, 6-4 | | match details |
| 05.05.08 2nd round | vs. Adrian-Vasile Gavrila | 7-66, 6-2 | | match details |
| 05.05.08 1/4 | vs. Cesar Ferrer-Victoria | 6-3, 1-6, 6-4 | | match details |
| Romania F1 - Clay | ||||
| 28.04.08 1st round | vs. Laurentiu-Antoniu Erlic | 6-2, 6-2 | | match details |
| 28.04.08 2nd round | vs. Razvan Sabau | 2-6, 6-73 | | match details |
| Russia F2 - Carpet | ||||
| 14.04.08 1st round | vs. Illya Marchenko | 6-1, 3-6, 4-6 | | match details |
| Russia F1 - Clay | ||||
| 07.04.08 1st round | vs. Dmitri Sitak | 4-6, 3-6 | | match details |
| Cuba F2 - Hard | ||||
| 18.02.08 1st round | vs. William Dorante Sanchez | 6-4, 6-3 | | match details |
| 18.02.08 1/2 | vs. Ricardo Hocevar | 6-3, 3-6, 2-6 | | match details |
| 18.02.08 2nd round | vs. Juan-Albert Viloca-Puig | 6-73, 7-5, 6-3 | | match details |
| 18.02.08 1/4 | vs. Justin O'Neal | 6-2, 7-64 | | match details |
| Togliatti - Hard | ||||
| 16.07.07 q 2 | vs. Alexander Stakheev | 6-4, 6-4 | | match details |
| 16.07.07 qual. | vs. Greg Jones | 3-6, 6-76 | | match details |
 Almaty - Clay | ||||
| 27.06.07 2nd round | vs. Ivan Dodig | 1-6, 7-65, 3-6 | | match details |
| 25.06.07 1st round | vs. Mohammed Mamoun | 5-7, 6-1, 6-4 | | match details |
Justin O'Neal - last matches
 Dallas Challenger - I. hard | ||||
| 02.02.09 q 1 | vs. Cecil Mamiit | 4-6, 6-1, 1-6 | | match details |
| Carson Challenger - Hard | ||||
| 26.01.09 q 1 | vs. Ashutosh Singh | 6-1, 6-3 | | match details |
| 26.01.09 q 2 | vs. Travis Rettenmaier | 1-6, 0-6 | | match details |
 Salinas Challenger - Hard | ||||
| 12.01.09 q 1 | vs. Carlos Salamanca | 5-7, 3-6 | | match details |
 Sao Paulo - Hard | ||||
| 05.01.09 q 1 | vs. Marcel Felder | 2-6, 4-6 | | match details |
| Knoxville - I. hard | ||||
| 17.11.08 q 1 | vs. Brian Battistone | 4-6, 4-6 | | match details |
 Lyon - Carpet | ||||
| 19.10.08 q 2 | vs. Santiago Giraldo | 4-6, 6-75 | | match details |
| 18.10.08 q 1 | vs. Olivier Charroin | 6-3, 6-4 | | match details |
| Rennes - I. hard | ||||
| 09.10.08 2nd round | vs. Andreas Beck | 5-7, 4-6 | | match details |
| 07.10.08 1st round | vs. Richard Bloomfield | 1-6, 6-3, 6-4 | | match details |
| 06.10.08 q 2 | vs. Gregoire Burquier | 6-4, 7-5 | | match details |
| 06.10.08 qual. | vs. Jeremy Blandin | 7-66, 3-6, 6-4 | | match details |
| 06.10.08 q 1 | vs. Francois-Arthur Vibert | 7-5, 3-6, 6-3 | | match details |
| Metz - I. hard | ||||
| 28.09.08 q 2 | vs. Tobias Kamke | 6-74, 3-6 | | match details |
| 27.09.08 q 1 | vs. Alexandre Penaud | 6-1, 6-75, 6-2 | | match details |
 Thailand F6 - Hard | ||||
| 15.09.08 2nd round | vs. Ryan Young | 6-2, 5-7, 2-6 | | match details |
| 15.09.08 1st round | vs. Sanchai Ratiwatana | 6-4, 6-1 | | match details |
| Thailand F5 - Hard | ||||
| 08.09.08 2nd round | vs. Hyun-Joon Kim | 4-6, 3-6 | | match details |
| 08.09.08 1st round | vs. Gilad Ben Zvi | 7-63, 6-1 | | match details |
| Lexington - Hard | ||||
| 23.07.08 2nd round | vs. Amer Delic | 4-6, 2-6 | | match details |
| 22.07.08 1st round | vs. Erik Chvojka | 0-6, 6-3, 6-3 | | match details |
| 21.07.08 q 1 | vs. Olivier Charroin | 6-4, 6-4 | | match details |
| 21.07.08 q 2 | vs. Luka Gregorc | 7-69, 1-6, 6-3 | | match details |
| 21.07.08 qual. | vs. Alessandro Da Col | 7-64, 6-3 | | match details |
| Indianapolis - Hard | ||||
| 14.07.08 1st round | vs. Yen-Hsun Lu | 6-72, 6-712 | | match details |
| 13.07.08 qual. | vs. Brendan Evans | 3-6, 6-3, 6-4 | | match details |
| 12.07.08 q 1 | vs. Jason Marshall | 6-1, 6-2 | | match details |
| Newport - Grass | ||||
| 05.07.08 q 1 | vs. Rohan Bopanna | 6-74, 7-65, 2-6 | | match details |
| Yuba City - Hard | ||||
| 02.06.08 q 2 | vs. Roman Borvanov | 6-74, 4-6 | | match details |
| 02.06.08 q 1 | vs. Justin Diao Natale | 3-6, 7-5, 6-3 | | match details |
