Career
Standing at 2.00 m (6 ft 6 1⁄2 in), he can play as a swingman and as a point guard. Ponkrashov joined Pulkovo during the 2001-2002 season. He moved to LenVo Saint St. Petersburg for the 2002-2003 season.
He then moved to Spartak Saint St. Petersburg for the 2004-2005 season.
He then joined CSKA Moscow for the 2006-2007 season. He then moved to Khimki Moscow Region for the 2007-2008 season and he returned to CSKA Moscow before the 2009-2010 season.
Ponkrashov has played for the Phoenix Suns in the National Basketball Association Summer League in 2010. On July 21, 2010 he signed a two-year contract with Spartak Saint St. Petersburg.
In July 2011 he signed a two-year contract with an option for a third year with CSKA Moscow.
He left CSKA again in June 2013. On February 16, 2014, he signed with Lokomotiv Kuban for the rest of the season. On August 17, 2014, he signed with Krasny Oktyabr.
On December 31, 2014 he left Krasny Oktyabr and signed a three-year deal with UNICS Kazan.