During the off-season, Aaron White, Brandon Davies, Nate Wolters, Léo Westermann and Deon Thompson left, while Antanas Kavaliauskas announced retirement.

Lukas Lekavičius returned to the team after two seasons in Greece, and Alex Pérez was signed to replace Westermann.

Žalgiris won the King Mindaugas Cup, getting revenge and beating BC Rytas 80–60 in the finals.

Edgaras Ulanovas was named the MVP of the tournament, his fourth such award in Lithuanian Cup competitions.

Win Loss Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

[23] Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

[24] Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

[25] Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

[26] Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

[27] Note: On 13 March 2020, the board of the LKL decided to end the season due to the COVID-19 pandemic.

Forward scored 13 points, dished three assists, stole the ball twice and recorded 16 efficiency rating.