Giannis Antetokounmpo recorded 30 points and a season-high 19 rebounds, Khris Middleton recorded his second career triple-double and Milwaukee beat Oklahoma City 118-93.
Middleton had 11 points, 10 rebounds and 10 assists for her first triple-double since January 20, 2018.
The Bucks opened a close game in the second half as the Thunder (49-21) lost the lead in the Western Conference. The reigning NBA champion Denver Nuggets (50-21) did not play Monday (AEDT) and advanced a half-game ahead of OKC.
Oklahoma City posted its lowest point total and lowest percentage of the season. Shai Gilgeous-Alexander scored 12 points — the first time since Jan. 19 he was held below 20 — and missed the entire fourth quarter after Milwaukee took a lopsided lead.
Australian guard Josh Giddey had 19 points and Jalen Williams added 18 for the Thunder.
Antetokounmpo returned after missing two games with a left hamstring issue.
The Bucks (46-25), second in the Eastern Conference behind the Boston Celtics (57-14), saw seven players score in double figures. Bobby Portis had 15, Brook Lopez 14, Damian Lillard and Pat Connaughton 11 each and Jae Crowder 10.
Milwaukee led 48-47 at halftime and opened the game by outscoring Oklahoma City 18-2 in the first six minutes of the third quarter.
The Bucks ended up winning the third period 34-17 as OKC matched its lowest point total of any quarter all season.
Minnesota and New Orleans moved closer to the Thunder in the West after both posting victories.
The third-placed Timberwolves (49-22) won 114-110 at home against the tenth-placed Golden State Warriors (36-34), despite Stephen Curry’s 34 points.
The fifth-place Pelicans (44-27) beat the Pistons 114-101 in Detroit, but the fourth-place Clippers (44-26) suffered a 121-107 loss to the Philadelphia 76ers in Los Angeles.
In the East, the eighth-place Heat beat the third-place Cleveland Cavaliers 121-84 in Miami, with Australian Patty Mills contributing 10 points, two rebounds and two assists.
