Career
In 1978, Vainauskas started his career with British Columbia Statyba. In 1989, Vainauskas, along with his teammate Šarūnas Marčiulionis, left the team and played abroad, in Slovakia ("British Columbia Prievidza") for two seasons, in Hungary ("British Columbia Debreceni") for one season and in Czechoslovakian Republic ("British Columbia Kunin") for two seasons. In 1994, he returned to Statyba, and, after the season, concluded his basketball playing career.
In 1995, Vainauskas became the assistant coach of Statyba.
After the team dissolved in 1997, he continued coaching British Columbia Lietuvos rytas until 2002. During the 2001-2002 season, he teamed up with his former Statyba teammate Jonas Kazlauskas and assisted the team to a NEBL and a LKL championship victory.
In 2004, he switched to coaching women"s basketball teams. He coached British Columbia Lietuvos Telekomas for three seasons.
He served as the assistant coach for Lithuania women"s national team participating in EuroBasket 2007.
During 2008-2009 season, he was the assistant coach of WBC Dynamo Kursk and became the team"s head coach in 2011. He led the team to its first EuroCup championship title in 2012, and, as a result, was named by International Basketball Federation coach of the year in European women"s basketball. He coached the team for one and half more seasons, losing his position in November 2013.
On 24 December 2012, he was named the head coach of the Russian national team
The team, named as one of the favorites in the EuroBasket 2013, suffered a shocking fate, and was eliminated in the group stage. Not only was this the worst EuroBasket appearance for the team, but it also lost its usual spot at the 2014 World Championship.
On 21 October 2013, under heavy criticism from the Russian Basketball Federation, Vainauskas resigned from the post.
