Frederik Nielsen and Tim Puetz seek their second ATP Tour doubles title of 2019 at the St. Petersburg Open.

Dustin Brown, left, and Tim Puetz dismiss the reigning Roland Garros champions in straight sets on Tuesday in Halle.

Felix Auger-Aliassime and Tim Puetz attend the 2019 MercedesCup draw ceremony.

Frederik Nielsen and Tim Puetz win their first ATP Tour doubles title as a team on Sunday in Munich.

Alexander Zverev, Tim Puetz, Philipp Kohlschreiber, Jan-Lennard Struff and team captain Michael Kohlmann attend the draw for their Davis Cup Qualifiers tie against Hungary.

Philipp Petzschner and Tim Puetz defeat Robert Lindstedt and Marcin Matkowski to lift their maiden tour-level title as a team at the MercedesCup on Sunday.

Germany's Tim Puetz and Jan-Lennard Struff beat Australia's Matt Ebden and John Peers to move one point away from the Davis Cup World Group quarter-finals.