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
Ireland
17.04.84, 41 years
180 cm
70 kg
Left-handed
32553 $
17.04.84, 41 years
180 cm
70 kg
Left-handed
32553 $
David Novak vs. Colin O'Brien - head to head matches
| 16.08.10 | 1/4 | David Novak | Colin O'Brien | 6-3, 7-62 | match details |  Latvia F1 | Clay |
David Novak form & Colin O'Brien form
David Novak - last matches
 Poland F9 - Clay | ||||
| 05.09.11 1st round | vs. Leonard Stakhovsky | 1-2, - David Novak - retired |  | match details |
 Finland F2 - Clay | ||||
| 15.08.11 1st round | vs. Yannick Jankovits | 1-6, 0-2, - David Novak - retired | | match details |
 Belgium F7 - Clay | ||||
| 08.08.11 1st round | vs. Romain Sichez | 1-2, - David Novak - retired | | match details |
 Germany F9 - Clay | ||||
| 01.08.11 1st round | vs. Alexey Vatutin | 6-0, 6-2 |  | match details |
| 01.08.11 2nd round | vs. Kevin Krawietz | 5-7, 1-6 | | match details |
 Prostejov Challenger - Clay | ||||
| 30.05.11 q 1 | vs. Jan Mertl | 4-1, Jan Mertl - retired | | match details |
| 30.05.11 q 2 | vs. Roman Jebavy | 3-6, 3-6 | | match details |
 Turkey F10 - Hard | ||||
| 04.10.10 1st round | vs. Can Cetinel | 0-2, - David Novak - retired | | match details |
| Turkey F9 - Hard | ||||
| 27.09.10 1st round | vs. Ervand Gasparyan | 3-6, 4-6 | | match details |
| Germany F15 - Clay | ||||
| 06.09.10 1st round | vs. Antony Dupuis | 6-4, 1-2, - David Novak - retired | | match details |
| Belgium F3 - Clay | ||||
| 23.08.10 1st round | vs. Mario Dierckx | 1-1, - David Novak - retired | | match details |
| Latvia F1 - Clay | ||||
| 16.08.10 1/4 | vs. Colin O'Brien | 6-3, 7-62 | | match details |
| 16.08.10 fin | vs. Augustin Gensse | 3-6, 2-6 | | match details |
| 16.08.10 1/2 | vs. Jarryd Maher | 6-3, 6-3 | | match details |
| 16.08.10 1st round | vs. Gvidas Sabeckis | 6-2, 6-3 | | match details |
| 16.08.10 2nd round | vs. Filippo Leonardi | 6-1, 6-0 | | match details |
| Ostrava Challenger - Clay | ||||
| 26.04.10 q 2 | vs. Adrian Sikora | 6-3, 6-3 | | match details |
| 26.04.10 q 1 | vs. Kristian Pospisil | 6-1, 6-0 | | match details |
| 26.04.10 qual. | vs. Jan Mertl | 4-6, 5-7 | | match details |
| Szczecin Challenger - Clay | ||||
| 14.09.09 q 1 | vs. Mateusz Szmigiel | 2-6, 6-4, 4-6 | | match details |
| Germany F17b - Clay | ||||
| 07.09.09 2nd round | vs. Bart Govaerts | 4-6, 2-6 | | match details |
| 07.09.09 1st round | vs. Jeremy Jahn | 5-7, 7-64, 6-2 | | match details |
| Poland F5 - Clay | ||||
| 24.08.09 1/2 | vs. David Savic | 6-3, 4-6, 1-6 | | match details |
| 24.08.09 1/4 | vs. Andrew Gregory | 6-4, 6-1 | | match details |
| 24.08.09 1st round | vs. Sergey Betov | 6-2, 2-6, 6-3 | | match details |
| 24.08.09 2nd round | vs. Michal Przysiezny | 7-62, 6-4 | | match details |
 Austria F7 - Clay | ||||
| 17.08.09 1/4 | vs. Riccardo Bellotti | 7-5, 6-4 | | match details |
| 17.08.09 1st round | vs. Maximilian Neuchrist | 7-65, 4-6, 7-61 | | match details |
| 17.08.09 1/2 | vs. Aljaz Bedene | 4-6, 0-1, - David Novak - retired | | match details |
| 17.08.09 2nd round | vs. Christian Magg | 6-2, 4-6, 1-0, Christian Magg - retired | | match details |
Colin O'Brien - last matches
| Germany F20 - Carpet | ||||
| 21.10.13 1st round | vs. Stefan Seifert | 4-6, 5-7 | | match details |
 France F16 - I. hard | ||||
| 16.09.13 1st round | vs. Michael Lammer | 4-6, 0-6 | | match details |
 Petange Challenger - I. hard | ||||
| 07.09.13 q 1 | vs. Louk Sorensen | 6-3, 3-6, 2-6 | | match details |
| St. Remy - Hard | ||||
| 01.09.13 q 1 | vs. Clement Maas | 6-4, 6-4 | | match details |
| 01.09.13 q 2 | vs. Yannick Jankovits | 6-4, 6-71, 5-7 | | match details |
 Ireland F1 - Carpet | ||||
| 22.07.13 2nd round | vs. Tom Farquharson | 0-6, 6-4, 2-6 | | match details |
| 22.07.13 2nd round | vs. Tom Farquharson | 0-6, 6-4, 2-6 | | match details |
| 22.07.13 1st round | vs. Luca Serena | 6-3, 5-7, 6-3 | | match details |
| 22.07.13 1st round | vs. Luca Serena | 6-3, 5-7, 6-3 | | match details |
| Davis Cup - I. hard | ||||
| 07.04.13 | vs. Harri Heliovaara | Harri Heliovaara - walk over | | match details |
| 07.04.13 | vs. Harri Heliovaara | Harri Heliovaara - walk over | | match details |
| 05.04.13 | vs. Jarkko Nieminen | 1-6, 2-6, 0-6 | | match details |
| 05.04.13 | vs. Jarkko Nieminen | 1-6, 2-6, 0-6 | | match details |
 Portugal F4 - Hard | ||||
| 11.03.13 1st round | vs. Enrique Lopez-Perez | 7-5, 6-3 | | match details |
| 11.03.13 1/2 | vs. Leonardo Tavares | 2-6, 2-6 | | match details |
| 11.03.13 2nd round | vs. Cristian Rodriguez | 6-4, 4-0, Cristian Rodriguez - retired | | match details |
| 11.03.13 1/4 | vs. Joao Domingues | 7-65, 0-6, 7-5 | | match details |
| Portugal F3 - Hard | ||||
| 04.03.13 1st round | vs. Harri Heliovaara | 6-4, 6-1 | | match details |
| 04.03.13 2nd round | vs. Rui Machado | 3-6, 0-6 | | match details |
| Portugal F2 - Hard | ||||
| 25.02.13 1st round | vs. Fabricio Neis | 6-3, 1-6, 6-2 | | match details |
| 25.02.13 2nd round | vs. Tristan Lamasine | 0-6, 1-6 | | match details |
| Heilbronn Challenger - I. hard | ||||
| 24.01.11 q 1 | vs. Dieter Kindlmann | 2-6, 3-6 | | match details |
 Great Britain - I. hard | ||||
| 17.01.11 1st round | vs. Richard Bloomfield | 6-3, 6-2 | | match details |
| 17.01.11 2nd round | vs. Liam Broady | 7-5, 4-6, 2-6 | | match details |
| Czech Republic - Carpet | ||||
| 22.11.10 1st round | vs. Jakub Lustyk | 7-62, 6-2 | | match details |
| 22.11.10 2nd round | vs. Alexander Bury | 7-63, 1-6, 6-2 | | match details |
| 22.11.10 1/4 | vs. Jan Mertl | 6-75, 5-7 | | match details |
| Czech Republic - Carpet | ||||
| 15.11.10 1st round | vs. Dawid Celt | 7-65, 7-66 | | match details |
| 15.11.10 2nd round | vs. Denis Matsukevitch | 1-6, 4-6 | | match details |
 Greece F4 - Hard | ||||
| 01.11.10 fin | vs. Alexander Jakupovic | 3-6, 3-6 | | match details |