ATP Challenger Tour events in Braunschweig, Heilbronn and Vancouver are presented with 'Tournament of the Year' awards in Milan.

Yannick Hanfmann celebrates clinching the title at the Sparkassen Open in Braunschweig.

Yannick Hanfmann celebrates his third ATP Challenger Tour title in Braunschweig, Germany.

The Sparkassen Open in Braunschweig has been a staple on the ATP Challenger Tour for 25 years.

Nicola Kuhn claims his maiden ATP Challenger Tour title in just his second main draw appearance, in Braunschweig.

The Sparkassen Open in Braunschweig is celebrating a third straight ATP Challenger Tournament of the Year award.

Viktor Galovic aims for another Challenger title in Braunschweig.

Viktor Galovic aims for his second consecutive Challenger title in Braunschweig.

The awards for 2016 ATP Challenger Tournaments of the Year are presented in Braunschweig, Germany.

James Cerretani ganó su cuarto título ATP Challenger Tour de dobles en 2016 en Braunschweig.

Thomaz Bellucci e Ínigo Cervantes lucen sus trofeos de campeón y subcampeón tras la final en Braunschweig.

Thomas Bellucci is in top form at the ATP Challenger Tour event in Braunschweig.

Fans enjoy the tennis in Braunschweig.

The Sparkassen Open in Braunschweig features daily concerts for spectators.

Alexander Zverev was one of two 17-year-old champions on the ATP Challenger Tour in 2014, triumphing in Braunschweig.