So, during the 2010–11 season, Bertāns developed point guard skills to a different level, and was one of the key factors in VEF Rīga's first championship.

[3] In June 2013, Bertāns parted ways with VEF Rīga to sign a three-year deal with Bilbao Basket of the Liga ACB.

[6] In his second season with Bilbao, Bertāns helped the team to reach the 2015 ACB Playoffs as the fifth seed, but they eventually lost to Valencia in the quarterfinals.

[7] On 20 January 2016, Bertāns recorded a season-high 27 points, shooting 6-of-11 from three-point range, along with four rebounds and two assists in a 76–78 loss to Bayern Munich.

[8] On 13 July 2016, Bertāns signed a 1+1-year deal with Turkish club Darüşşafaka Doğuş under head coach David Blatt.

[10] Bertāns helped the team to reach the 2017 EuroLeague Playoffs as the eighth seed, but they eventually were eliminated by Real Madrid in the quarterfinals.

[14] Bertāns later made his NBA debut eight days later, recording just one assist in six minutes of action in a 128–116 loss to the Atlanta Hawks.

[24] On 14 July 2023, it was announced that after ten years away from home, Bertāns had returned to VEF Rīga, signing a two-year contract.

During his childhood, Bertāns was raised in Latvia's northernmost town, Rūjiena, until his parents moved to the capital city, Riga.