The meeting ended with a score of 112: 94 in favor of the Celtics.
Jason Tatum scored 21 points for Boston. A double-double of 18 points and 10 assists for Kemba Walker. Daniel Tice scored a double-double with 13 points and 15 rebounds.
Kyle Lowry scored 17 points for Toronto. Another 15 points in the asset of Serge Ibaki.
The score in the series to four victories was 1: 0 in favor of Boston. The second game will take place on September 1st.
Earlier it was reported that LeBron James set a record for the Lakers in the 21st century.