Early Wednesday morning, the NBA playoffs continued, with the Celtics at home and the Cavaliers launching a G1 contest between the two sides. Although Lu Yunmicao performed well, he could not sing alone. Under the leadership of Jaylen Brown and Dale White , the Celtics gradually established their advantage. In the end, the Celtics defeated the Cavaliers 120-95, leading the series 1-0.

The Celtics, playing at home, had a good start. Jalen Brown scored 9 points and led the team to a 12-2 lead. Ao Gaolu and Danglu Yunmicao helped the Cavaliers recover 8 points, and Dalek White made a breakthrough to stabilize the situation. In the following game, the two teams saw each other for several rounds. When Lu Yunmichao fired again and scored 5 points in a row, the Cavaliers led by 2 points, 23-21, with 5 minutes and 30 seconds left in the first quarter. After the timeout, Jaylen Brown responded with 4 points, and Jason Dutton scored 5 points with consecutive shots and penalties. The Celtics led 32-25 with 2 minutes and 45 seconds left in the first quarter. When Lu Yunmichao succeeded in running and shooting, the two sides then fought several attacks, and Marcus Morris hit a three-pointer from the left wing. At the end of the first quarter, the Cavaliers were 6 points behind 34-40.

Bichart hit a three-pointer, and he led his team to start the second quarter with a 7-0 attack wave. The Celtics led the Cavaliers by 13 points. After the timeout, Stuluth counterattacked with a three-pointer, Jalen Brown responded with 5 points, Ogaolu and Galante scored 5 points together, and the Cavaliers fell behind 44-54. Dalek White hit a three-pointer, and Lu Yunmicao completed a 2+1 offense. At halftime, the Celtics led 59 to 49 by 10 points.

After the start of the third quarter, the two teams went back and forth, and the scores on the field increased alternately. The Celtics maintained a double-digit lead, and Aiyun Mobili broke through and scored. With 6 minutes and 30 seconds left in this quarter, the Cavaliers led by 64 75 behind. Dale White kept his touch and hit another three-pointer. Holliday succeeded in a single, and the Celtics extended their advantage to 16 points. When Lu Yunmichao scored two singles to close the score, Jason Dutton broke through and counterattacked, Dale White scored another three-pointer, and the Celtics led 87-72. When Lu Yunmicao maintained his offensive state and chased for 5 points, Bichart hit a buzzer-beating three-pointer. At the end of the first three quarters, the Celtics led 92 to 77 by 15 points.

Jaylen Brown and Heft each scored 5 points. They led the team to start the fourth quarter with a 10-2 attack wave. The Celtics led 102-79 by 23 points. After the timeout, Aiyun Mobili chased for 8 points in a row. James Brown and Bichart each scored three-pointers. Jason Dutton made a successful mid-range shot. Halfway through the fourth quarter, the Celtics led 110-87. The Cavaliers, who were lagging behind by a big score, replaced their leader Lu Yunmichao , and the Celtics then sent out all their reserves. At the end of the game, the Celtics defeated the Cavaliers 120-95.