(CNN) -- Hamburg have moved up to fourth place in the Bundesliga, only behind Bayern Munich and Wolfsburg on goal difference, after a comfortable 2-0 home victory over Energie Cottbus on Sunday.
Ivica Olic celebrates his opening goal for Hamburg as they remain in touch near the top of the Bundesliga.
Croatian striker headed Hamburg into a 32nd-minute lead while a free-kick from winger Piotr Trochowski seven minutes later secured the points for the home side.
The result lifts Hamburg above Hoffenheim onto 45 points, with leaders Hertha Berlin remaining top of the table on 49 points following their 1-0 victory over Bayer Leverkusen on Saturday.
Sunday's other match saw Werder Bremen pick up their first league win of 2009 with a 4-0 victory over Stuttgart, the first defeat in 10 matches for new Stuttgart coach Markus Babbel.
Sweden striker Markus Rosenberg struck twice for the home side who lie 10th in the table, while Stuttgart remain sixth, 10 points behind leaders Hertha Berlin.