Jimmy Butler scored a game-high 30 points as the fifth-seeded Miami Heat took a 3-0 Eastern Conference semi-finals series lead, over the top-seeded Milwaukee Bucks, with a 115-100 win in the NBA bubble near Orlando.
Giannis Antetokounmpo, the NBA's reigning MVP, had 21 points, 16 rebounds, nine assists and two blocks for Milwaukee.
However, he shot just 7-for-21 from the floor, including 0-for-7 from three-point range.
Game 4 in the series is set for Sunday afternoon, with history suggesting the Bucks are in trouble, with no NBA team producing a come back from a 3-0 series deficit.
Miami, which is 7-0 in the playoffs this year, also got 20 points and a team-high 16 rebounds from Bam Adebayo. Jae Crowder made a big contribution with 17 points, sinking 5 of 11 three-point attempts.
Milwaukee got a team-high 22 points from Brook Lopez, plus 18 points from Khris Middleton.
The Heat played without reserve center Kelly Olynyk, who has a knee injury.
But Miami, who used 10 players, still had enough depth to win, with rookie Tyler Herro providing 13 points and eight rebounds off the bench.
Milwaukee led 30-29 after the first quarter. The Bucks shot 54.5 percent from the floor in the period, including 4-for-6 on three-point tries. Miami shot 47.6 percent, including 7-for-15 from long distance.
There were five lead changes and four tie scores in the period.
The Bucks used a 12-3 second-quarter run to lead by as many as 10 points, settling for a 57-50 advantage at halftime.
Antetokounmpo was held to seven points in the half, missing all four of his three-point attempts.
But Middleton (14 points) and Lopez (13 points) led Milwaukee's first-half charge. Meanwhile, no Heat player scored in double figures in the opening half.
Miami went on a 10-0 run to take a 67-66 lead with 5:53 left in the third, but Milwaukee responded with a 21-8 surge and took a 87-75 advantage into the fourth.
The Heat trailed by 11 early in the fourth quarter before a 14-2 run gave them a 94-93 lead after two Butler free throws with 6:16 left in the fourth.
The Bucks last led at 99-98 after an Antetokounmpo dunk with 4:41 to go, but they managed just one point over the remainder of the game with the Heat outscoring them 17-1 down the stretch.
