The Cavaliers won the first game of Playoffs on April 20, 3AM (Philippine Standard Time) with 113-100 final score against Celtics.

Game 1 of playoff series held at Quicken Loans Arena, where Kyrie Irving earned 20 points in the 1st half on his way ending with a score of 30 on 11-of-20 shooting in a conclusive Cleveland triumph.

Cleveland with a 20-point leading in the 3rd quarter, Boston was not giving an easy game to them. Isaiah Thomas, Boston point guard, offered attacks of 14-0 Celtics run to get the deficiency down to 6 with a remaining time of 1:43 in the period. Cavaliers won't give the game over with Celtics celebrating that is why they would answer with a 9-0 run to end the quarter, crowned by 3 points from James Jones at the period's buzzer. The speedy run allowed the Cleveland to reach the fourth quarter with a good celebration.

Cavaliers owned the night ending with a 46-34 advantage. Cleveland were sealed from 3-point range as well, creating 13 of their 31 undertake from deep, 49 percent, on the night.