671 (real name Ivan Kalinin), is a Russian Dota 2 player who currently plays as support.

671 has been playing for Nether Force. Over the past year, they have played 1 map and won 100% of them. Their average KDA over this period was 3.1.

Over the past year, 671 has most frequently used the following heroes: Tusk (1 map, 100% win rate).

* This description is based on information from the cyberscore.live database