German Open 2018 on Twitter: "Marvin Möller, Daniel Masur and Niklas Guttau receive wild cards for the #GOTC18 qualifying #GermanOpen #ATP #Hamburg #Rothenbaum #tennis https://t.co/sH25l7SGbK" / Twitter
Niklas Guttau | Tennis Forecast
Niklas Guttau, Tannenhof Resort German Men s Series, DTB German Pro Series, TennisBase, Oberhaching
Außenseiter Niklas Guttau Tennismeister des Nordens