Philipp Petzschner was Germany's go-to man in their Davis Cup by BNP Paribas win over Croatia in March, playing the doubles and then being brought into the singles line-up for the deciding fifth rubber.
If the same thing happens again this week - when Germany take on France in the World Group quarterfinals in Stuttgart - then the world No. 67 will be ready to produce another match-winning performance for the team.
Chris Bowers asks the questions ahead of the tie.
Philipp Petzschner (GER) - 04/07/2011