| Player Info |
| Kohlschreiber claimed his second ATP title in Auckland, New Zealand. His first title came last year in Munich, Germany, on clay. (updated 5/29/2008) |
| 2008 Results | |||
| Qatar ExxonMobil Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Oscar Hernandez | W | 6-3,6-1 |
| 2 | Filippo Volandri | W | 6-4,6-1 |
| QF | Ivan Ljubicic | L | 3-6,7-6(7-4),3-6 |
| Heineken Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Michael Russell | W | 7-5,6-2 |
| 2 | Marin Cilic | W | 6-3,6-7(5-7),6-4 |
| QF | Florian Mayer | W | 6-3,6-4 |
| SF | Juan Monaco | W | 6-2,6-1 |
| F | Juan Carlos Ferrero | W | 7-6(7-4),7-5 |
| Australian Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Roko Karanusic | W | 6-4,7-6(7-5),6-1 |
| 2 | Evgeny Korolev | W | 6-4,6-2,0-1,retired |
| 3 | Andy Roddick | W | 6-4,3-6,7-6(11-9),6-7(3-7),8-6 |
| 4 | Jarkko Nieminen | L | 6-3,6-7(7-9),6-7(11),3-6 |
| Davis Cup -- First Round | |||
| Rd | Opponent | W/L | Score |
| 1A | Jae-Sung An | W | 6-2,6-2,6-2 |
| 1B | Hyung-Taik Lee | W | 6-0,4-6,6-1,7-6(7-1) |
| ABN AMRO World Tennis Tournament | |||
| Rd | Opponent | W/L | Score |
| 1 | Mischa Zverev | L | 5-7,5-7 |
| The Dubai Tennis Championships | |||
| Rd | Opponent | W/L | Score |
| 1 | Rafael Nadal | L | 6-3,1-6,4-6 |
| Pacific Life Open | |||
| Rd | Opponent | W/L | Score |
| 2 | Xavier Malisse | W | 6-2,5-7,6-4 |
| 3 | Novak Djokovic | L | 3-6,2-6 |
| Sony Ericsson Open | |||
| Rd | Opponent | W/L | Score |
| 2 | Simone Bolelli | L | 4-6,3-6 |
| Davis Cup -- Quarterfinals | |||
| Rd | Opponent | W/L | Score |
| 1A | David Ferrer | L | 7-6(7-3),3-6,4-6,2-6 |
| Masters Series Monte Carlo | |||
| Rd | Opponent | W/L | Score |
| 1 | Jose Acasuso | W | 7-6(7-4),6-3 |
| 2 | Nicolas Kiefer | W | 6-2,6-4 |
| 3 | Nikolay Davydenko | L | 6-3,5-7,2-6 |
| Masters Series Hamburg | |||
| Rd | Opponent | W/L | Score |
| 1 | Tommy Robredo | L | 6-2,6-7(5-7),3-6 |
| ARAG World Team Cup | |||
| Rd | Opponent | W/L | Score |
| 1C | Igor Andreev | L | 4-6,3-6 |
| 1A | David Ferrer | W | 6-1,6-0 |
| 1B | Potito Starace | W | 6-2,7-6(7-5) |
| French Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Stanislas Wawrinka | L | 3-6,4-6,3-6 |
| Gerry Weber Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Julien Benneteau | W | 6-4,6-1 |
| 2 | Tommy Haas | W | 7-5,5-7,7-6(7-5) |
| QF | Robin Soderling | W | 6-4,7-6(7-4) |
| SF | James Blake | W | 6-3,7-5 |
| F | Roger Federer | L | 3-6,4-6 |
| Wimbledon | |||
| Rd | Opponent | W/L | Score |
| 1 | Fernando Verdasco | L | 4-6,3-6,2-6 |
| Mercedes Cup | |||
| Rd | Opponent | W/L | Score |
| 2 | Yuri Schukin | W | 6-3,6-3 |
| QF | Juan Martin Del Potro | L | 6-7(3-7),3-6 |
| Rogers Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Alexandre Kudryavtsev | L | 2-6,6-7(7-9) |
| Western & Southern Financial Group Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Michael Yani | W | 6-3,6-4 |
| 2 | Woong-Sun Jun | W | 6-2,6-2 |
| 3 | Robin Soderling | W | 7-6(7-4),5-7,7(10)-6(8-8) |
| QF | Ivo Karlovic | L | 6-7(6-8),6-7(3-7) |
| US Open | |||
| Rd | Opponent | W/L | Score |
| 1 | Luis Horna | W | 6-2,6-3,6-2 |
| 2 | Viktor Troicki | L | 6-2,3-6,4-6,0-3,retired |
| BA-CA Tennis Trophy | |||
| Rd | Opponent | W/L | Score |
| 1 | Marc Gicquel | W | 6-2,6-2 |
| 2 | Juan Martin Del Potro | W | walkover |
| QF | Fernando Verdasco | W | 6-2,6-3 |
| SF | Gael Monfils | L | 4-6,7-5,6-7(2-7) |
| Mutua Madrilena Masters Madrid | |||
| Rd | Opponent | W/L | Score |
| 1 | Carlos Moya | W | 6-2,6-2 |
| 2 | Stanislas Wawrinka | L | 6-3,5-7,6-7(5-7) |
| Davidoff Swiss Indoors Basel | |||
| Rd | Opponent | W/L | Score |
| 1 | Denis Gremelmayr | W | 6-4,7-6(7-5) |
| 2 | Igor Andreev | L | 6-7(3-7),7-6,5-7 |
| BNP Paribas Masters | |||
| Rd | Opponent | W/L | Score |
| 1 | Mikhail Youzhny | W | 6-1,6-4 |
| 2 | David Ferrer | W | 6-3,6-2 |
| 3 | James Blake | L | 4-6,4-6 |
