The top-seeded Indo-Swiss duo served past the Rodionova sisters, Anastasia and Arina, 6-3, 6-4 in the quarter-finals.
A struggling and edgy Rafael Nadal crashed out of the Miami Open.
Novak Djokovic fell short in his bid to claim a 100th ATP title following a straight sets defeat by Czech teenager Jakub Mensik in the Miami Open final
Azarenka punished her Russian opponent's weak serve to wrap up the final in 80 minutes in relentless humidity under a searing sun in the early afternoon encounter on the Key Biscayne hardcourt.
The 35-year-old Swiss, showing no sign of losing his edge, improved to 19-1 this year, winning the Australian Open in five sets over Nadal, and BNP Paribas Open in straight sets over fellow Swiss Stan Wawrinka.
Novak Djokovic barely got out of first gear but had more than enough in the tank to beat Briton Kyle Edmund 6-3, 6-3 in the second round of the Miami Open on Friday.
Two time Miami Open winner Victoria Azarenka crushed Serbia's Jelena Jankovic.
But for the 23-year-old Bouchard, a former world number five who has slumped to 56th in the rankings, it was another blow after her first-round exit in Indian Wells.
But after those events, Federer will take a training break, the paper reported.
The Washington Open, a WTA 500 hardcourt tournament, will run from July 21 to 27.
Lionel Messi led Inter Miami's charge in a 3-1 victory over Sporting Kansas City in the second leg of the CONCACAF Champions Cup's first round at Fort Lauderdale, Florida, on Tuesday.
Top seed Novak Djokovic overcame a strong challenge from Belgium's David Goffin to reach the Miami Open final with a 7-6(5), 6-4 victory on Friday as he continued his pursuit of a fifth title in six years on Key Biscayne.
The third-seeded pair was defeated by the unseeded Canadian-Chinese duo 6-4, 6-3.
Barty said the key to the match was extending rallies on the warm day in Southern Florida.
Roger Federer suffered a shock 3-6, 6-3, 7-6(4) defeat to Australian wildcard Thanasi Kokkinakis on Saturday that will cost the Swiss his world number one ranking and leaves the Miami men's tournament wide open.
Photos from the matches played at the Miami Open on Monday
Lionel Messi's final stop on his G.O.A.T India Tour produced a memorable crossover moment between football and cricket in New Delhi on Monday.
Serena and Venus Williams usually get top billing at the Miami Open but this year there is another sister act vying for thespotlight with world number one Naomi Osaka showing older sibling Mari the ropes.
Polish fifth seed Agnieszka Radwanska was the highest women's casualty at the Miami Open on Saturday, blown away for the second time this year by Croatian Mirjana Lucic-Baroni.
Defending champion Novak Djokovic defeated Belgium's Steve Darcis 6-0, 7-5 on Monday to power into the last 16 of the Miami Open.
Mensik said that the physio worked on his knee and deemed that it was not a serious problem.
Indian spin wizard Kuldeep Yadav opens up about meeting Argentina football icon Lionel Messi during the latter's visit to the national capital as a part of his 'GOAT India Tour 2025'.
Messi has been accompanied throughout the tour by Luis Surez and Rodrigo De Paul. During his Mumbai visit, the football icon met Parth Jindal, owner of Bengaluru FC and co-owner of Delhi Capitals.
Sania Mirza and Martina Hingis are in line to win their second title in a row as they breezed into the Miami Open final with a straight sets win over Timea Babos and Kristina Mladenovic.
Six-time champion Novak Djokovic's hopes of turning around his season at the Miami Open ended in the second round when he was defeated 6-3, 6-4 by Frenchman Benoit Paire.
Britain's Cameron Norrie stunned world number one Carlos Alcaraz to reach the third round of the Paris Masters.
Sisters Serena and Venus Williams marched into the quarter-finals of the Miami Open after straight-set wins at Key Biscayne on Monday.
Czech second seed Karolina Pliskova avenged her Australian Open quarter-final loss to Mirjana Lucic-Baroni with a 6-3, 6-4 win over the 26th-seeded Croatian to secure a spot in the Miami Open semi-finals on Tuesday.
World No 1 Serena Williams comfortably beat 15-year-old CiCi Bellis.
Defending champions Sania Mirza and Martina Hingis suffered yet another early exit on the American hardcourts as the world number one women's doubles pair crashed out of the Miami Open in the second round on Tuesday.
Andy Murray recovered from an early setback to beat Austrian Dominic Thiem.
Andy Murray will no longer coach 24-time Grand Slam champion Novak Djokovic, with the pair's high-profile partnership coming to an end after six months and no titles, the Briton's team said on Tuesday.
Venus Williams beat top seed Angelique Kerber on Wednesday to advance to a Miami Open semi-final against Britain's Johanna Konta.
World number one Novak Djokovic on Wednesday dismissed any suggestion of friction with Roger Federer and Rafa Nadal as tennis politics spilled over to the Miami Open.
Photos from the matches played at the Miami Open on Tuesday
Rafael Nadal moved into the Miami Open semi-finals with a straight sets win over American Jack Sock on Wednesday.
Football icon Lionel Messi arrived in Mumbai around noon on Sunday under "World Cup level" security measures, marking the second day of his four-city 'GOAT India Tour 2025'.
World No 1 Novak Djokovic recovered from another slow start to beat Spain's David Ferrer.
Joao Neves scored twice as Paris St Germain swept aside Lionel Messi's Inter Miami 4-0 at Atlanta's Mercedes-Benz Stadium to secure their place in the Club World Cup quarter-finals.
Former champion and world number two Novak Djokovic was knocked out of the Sony Ericsson Open on Friday, falling 6-2, 6-7, 6-4 to Belgian Olivier Rochus in his opening match.