2021 Tali Open

The 2021 Tali Open was a professional tennis tournament played on hard courts. It was the second edition of the tournament which was part of the 2021 ATP Challenger Tour. It took place in Helsinki, Finland between November 15 and November 21, 2021.

Seeds

 * 1 Rankings are as of 8 November 2021.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇬🇧 Jack Draper
 * 🇫🇮 Patrik Niklas-Salminen
 * 🇫🇮 Otto Virtanen

The following player received entry into the singles main draw as a special exempt:
 * 🇭🇺 Zsombor Piros

The following players received entry into the singles main draw as alternates:
 * 🇩🇪 Matthias Bachinger
 * 🇩🇪 Julian Lenz

The following players received entry from the qualifying draw:
 * 🇧🇪 Joris De Loore
 * 🇨🇿 Jonáš Forejtek
 * 🇯🇵 Shintaro Mochizuki
 * 🇷🇺 Alexander Shevchenko

The following player received entry as a lucky loser:
 * 🇫🇷 Kyrian Jacquet

Singles

 * 🇸🇰 Alex Molčan def. João Sousa 6–3, 6–2.

Doubles

 * 🇦🇹 Alexander Erler / 🇦🇹 Lucas Miedler def. 🇫🇮 Harri Heliövaara / Jean-Julien Rojer 6–3, 7–6(7–2).