Hamburg's wonderful run of form continued as they shocked leaders Schalke with a 2-0 win at AufSchalke Arena.
At the turn of the year, Hamburg were in deep relegation trouble - but they now find themselves in tenth after their fourth successive win.
Schalke had been looking to extend their lead at the top to seven points, but it was not to be as Hamburg secured victory.
Hamburg left it late but it was Dutch star Rafael van der Vaart, who inspired them again, as he gave them the lead with just 19 minutes left.
Croatian Ivica Olic sealed the victory with 10 minutes left.
At the turn of the year, Hamburg were in deep relegation trouble - but they now find themselves in tenth after their fourth successive win.
Schalke had been looking to extend their lead at the top to seven points, but it was not to be as Hamburg secured victory.
Hamburg left it late but it was Dutch star Rafael van der Vaart, who inspired them again, as he gave them the lead with just 19 minutes left.
Croatian Ivica Olic sealed the victory with 10 minutes left.