2020 Tennis Challenger Hamburg

The 2020 Tennis Challenger Hamburg was a professional tennis tournament played on indoor hard courts. It was the second edition of the tournament which was part of the 2020 ATP Challenger Tour. It took place in Hamburg, Germany between 26 October and 1 November 2020.

Seeds

 * 1 Rankings are as of 19 October 2020.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇩🇪 Daniel Altmaier
 * 🇩🇪 Maximilian Marterer
 * 🇩🇪 Daniel Masur

The following player received entry into the singles main draw using a protected ranking:
 * 🇩🇪 Dustin Brown

The following players received entry into the singles main draw as special exempts:
 * 🇫🇷 Benjamin Bonzi
 * Borna Gojo

The following players received entry from the qualifying draw:
 * 🇩🇪 Matthias Bachinger
 * 🇩🇪 Tobias Kamke
 * 🇷🇺 Pavel Kotov
 * 🇮🇹 Stefano Napolitano

The following players received entry as lucky losers:
 * 🇫🇷 Hugo Gaston
 * 🇺🇦 Illya Marchenko

Singles

 * 🇯🇵 Taro Daniel def. 🇦🇹 Sebastian Ofner 6–1, 6–2.

Doubles

 * Marc-Andrea Hüsler / 🇵🇱 Kamil Majchrzak def. 🇬🇧 Lloyd Glasspool / 🇺🇸 Alex Lawson 6–3, 1–6, [20–18].