Schedule and 2019-20 Results
Regular Season Records: Boston 48-24, Miami 44-29
Game 1 on Tuesday, 15 September: Miami wins at Boston, 117-pts-114 (OT)
Game 2 on Thursday, 17 September: Miami wins at Boston, 106-pts-101
Game 3 on Saturday, 19 September: Boston wins at Miami, 117-pts-106
Game 4 on Wednesday, 23 September: Boston loses at Miami, 112-pts-109
Game 5 on Friday, 25 September: Miami loses at Boston, 121-pts-108
Game 6 on Sunday, 27 September: Boston loses at Miami, 125-pts-113

SERIES NOTES:

After Game 6: The Miami Heat hosted and bested the Boston Celtics 125-pts-113 to complete a 4-games-2 best-of-7 MLB/NBA/NHL playoff series 1446 victory. With the series 1446 win, the Miami Heat improve their best-of-7 NBA playoff series record to 26-11 overall and 6-2 (with an active six-Semifinals series winning streak) in the Semifinals round. With the series 1446 loss, the Boston Celtics see their best-of-7 NBA playoff series record fall to 69-29 overall and 20-12 (with an active four-Semifinals series losing streak) in the Semifinals round. The win order for the victorious Miami Heat in series 1446 was WWLWLW: Series 1446 thus becomes the fifth NBA Semifinals-round series, the 20th NBA series (all rounds), and the 47th MLB/NBA/NHL series (all rounds) to follow that win order to completion.

After Game 5: The Boston Celtics hosted and topped the Miami Heat 121-pts-108 to reduce the Miami Heat best-of-7 MLB/NBA/NHL series 1446 lead to 3-games-2. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-2, the Miami Heat have a series record of 7-2 (with an active six-series winning streak) and a Game 6 record of 5-4. When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-2, the Boston Celtics have a series record of 5-14 (with an active seven-series losing streak) and a Game 6 record of 10-9. The Miami Heat have an active four-Game 6 winning streak irrespective of Games 1-5 outcomes. The Boston Celtics trailed the pseudo-visiting Miami Heat by seven points as late as after two quarters in series 1446 Game 5, but prevailed: In the history of best-of-7 NBA playoff games from 1947 through 2020, inclusive, home teams down seven points as late as after two quarters had a game record of only 24-52 (.316) - the Boston Celtics thus achieve a grade-D in-game comeback.

After Game 4: The Miami Heat hosted and bested the Boston Celtics 112-pts-109 to take a best-of-7 MLB/NBA/NHL playoff series 1446 lead of 3-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Miami Heat have a series record of 11-0 and a Game 5 record of 9-2. When trailing a best-of-7 MLB/NBA/NHL playoff series 3-games-1, the Boston Celtics have a series record of 2-11 (with an active six-series losing streak) and a Game 5 record of 7-6.

After Game 3: The Boston Celtics visited and outscored the Miami Heat 117-pts-106 to drop the Miami Heat best-of-7 MLB/NBA/NHL series 1446 lead to 2-games-1. When leading a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Miami Heat have a series record of 13-4 (with an active seven-series winning streak) and a Game 4 record of 8-9. When trailing a best-of-7 MLB/NBA/NHL playoff series 2-games-1, the Boston Celtics have a series record of 10-18 and a Game 4 record of 17-11. Series 1446 has become only the 13th best-of-7 NBA playoff series (but the second in 2020) to show a WWL @ VVH win/site order through three games (i.e., road team wins the first three games).

After Game 2: The Miami Heat visited and bested the Boston Celtics 106-pts-101 to take a best-of-7 MLB/NBA/NHL playoff series 1446 lead of 2-games-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 2-games-nil, the Miami Heat have a series record of 14-0 and a Game 3 record of 8-6. When trailing a best-of-7 MLB/NBA/NHL playoff series 2-games-nil, the Boston Celtics have a series record of 2-13 and a Game 3 record of 9-6. The Miami Heat trailed the pseudo-host Boston Celtics by 13 points as late as after two quarters but won: In the history of best-of-7 NBA playoff games from 1947 through 2020, inclusive, road teams down 13 points as late as after two quarters had a game record of only 5-56 (.082) - the Miami Heat thus achieve a grade-A in-game comeback in series 1446 Game 2. Upon losing Game 1 of a best-of-7 NBA playoff series, the Boston Celtics now own a seven-Game 2 losing streak.

After Game 1: The Miami Heat visited and topped the Boston Celtics 117-pts-114 (OT) to take a best-of-7 MLB/NBA/NHL playoff series 1446 lead of 1-game-nil. When leading a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Miami Heat have a series record of 17-3 and a Game 2 record of 14-6. When trailing a best-of-7 MLB/NBA/NHL playoff series 1-game-nil, the Boston Celtics have a series record of 11-21 and a Game 2 record of 17-15 (with an active six-Game 2 losing streak). In series 1446 Game 1, the Miami Heat trailed the pseudo-host Boston Celtics by 12 points as late as after three quarters but prevailed: In the history of best-of-7 NBA playoff games from 1947 through 2020, inclusive, road teams down 12 points as late as after three quarters had a game record of only 4-71 (.053) - the Miami Heat thus achieve a grade-A in-game comeback to open the 2020 NBA Semifinals.

Pre-series assessment: In the 2019-20 NBA regular season, the Boston Celtics finished 4.5 games ahead of the Miami Heat. From 1947 through the 2020 NBA Quarterfinals round, when NBA teams led their best-of-7 playoff series opponents by 4.5 regular-season games, they have posted a best-of-7 playoff series record of 0-1 (.000) in those series against those opponents. MLB/NBA/NHL best-of-7 playoff series 1446 is the 98th best-of-7 NBA playoff series for the Boston Celtics, and the 37th for the Miami Heat. In best-of-7 NBA playoff series, the Boston Celtics have an all-rounds series record of 69-28, a Semifinals-round series record of 20-11, and a Game 1 record of 65-32 (with an active seven-Game 1 winning streak), while the Miami Heat have an all-rounds series record of 25-11, a Semifinals-round series record of 5-2 (with an active five-Semifinals winning streak), and a Game 1 record of 20-16. Series 1446 is the fourth best-of-7 NBA playoff series meeting between the Boston Celtics and the Miami Heat. Miami won two of the three previous meetings in best-of-7 NBA playoff series between the two teams, including the last two such series.