Fonseca cruised through the first set before Fearnley found his groove in the second to level the match on a windy day in the California desert.
Alexander Zverev was heckled by a spectator during Friday's Munich Open quarter-final and the top seed asked the chair umpire to eject the individual who alluded to domestic abuse allegations against the German.
As the spotlight shines on Carlos Alcaraz's title defence and Novak Djokovic's pursuit of a record 25th Grand Slam, a determined group of challengers is quietly preparing to shake up the draw.
With this win, he has improved his record in Rome to nine wins and four losses.
The 19-year-old Czech Jakub Mensik beat his childhood idol Novak Djokovic in the Miami Open final in an upset for the ages on Sunday.
The buzz around talented teenagers Mirra Andreeva and Joao Fonseca continued at Indian Wells on Wednesday.
Djokovic has declined to disclose whether he is vaccinated, citing privacy.
World number one Jannik Sinner produced a sublime semi-final display as he fought back from a set down to beat American Tommy Paul 1-6, 6-0, 6-3 on Friday to set up an Italian Open final showdown with Carlos Alcaraz.
Russian seventh seed Daniil Medvedev, the 2023 Miami champion who arrived this year fresh off a run to the Indian Wells semi-finals, crashed out at the first hurdle as he fell 6-2, 6-3 to Spaniard Jaume Munar.
'My dad is trying to retire me for a while now ...
Casper Ruud has become the first Norwegian to book a place in the season-ending ATP Finals, leaving one spot to be filled at the tournament in Turin, Italy later this month.
Greece's Tsitsipas battled back from 3-5 down in the third set to eliminate Medvedev with a 6-3, 6-7(11), 7-6(1) win to set up a showdown on Friday with Rublev for the Red Group's other semi-final spot.
This milestone underscores his longevity and commitment to the sport, especially considering the physical and mental demands of playing at the top level.
Novak Djokovic may have played at the Madrid Open for the last time after crashing out
But Ruud, a semi-finalist last year, stamped his authority in the tiebreak and did not face a single break point in the match as he beat the Canadian for the second time this year.
'One of the most significant factors contributing to the optimism for 2025 is the lineup of films featuring Bollywood's three superstar Khans.'
Russian Andrey Rublev has become the fifth singles player to qualify for the season-ending ATP Finals in Turin next month, the men's tour said.
The Swiss star underwent arthroscopic right knee surgeries in February 2020 and May 2020. Federer has played five tournaments since having those surgeries, all of which came this season.
Medvedev outlasts Zverev to reach Halle final
Novak Djokovic has pulled out of the Serbia team for the ATP Cup in Sydney, event organisers said on Wednesday, raising further doubts over whether the world number one will defend his Australian Open title next month.
The events will be on single-year licence as the ATP offers professionals the opportunity to earn money and ranking points in the wake of the coronavirus shutdown.
The Dane revealed he had taken notes from how Novak Djokovic beat Alcaraz in the Olympic final at Roland Garros.
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
Djokovic has spent more than 400 weeks at number one and now sits fifth in the rankings
Unseeded Alejandro Tabilo beat twice champion Novak Djokovic 6-3, 6-4 in the second round of the Monte Carlo Masters on Wednesday to maintain a remarkable 100 percent record win record over the 24-times major winner.
India's Yuki Bhambri and his French partner Albano Olivetti frittered away a solid start to make a semi-final exit from the ASB Classic in Auckland.
Nagal's career maintained an upward spike when he became the 10th player from India to break into top 100 in ATP rankings.
Russian Daniil Medvedev's 2022 season opened with a stunning defeat at the hands of Frenchman Ugo Humbert after a three-hour dogfight in a steamy Ken Rosewall Arena at the ATP Cup on Sunday.
Novak Djokovic was stunned 7-6(4), 6-2 by Matteo Berrettini in the Qatar Open first round on Tuesday as the Italian enjoyed his first win over the former world number one.
While Daniil Medvedev remained the world number one, 2022 Wimbledon champion Novak Djokovic dropped to seventh position after the grass-court Grand Slam tournament was stripped of ranking points for banning Russian and Belarusian players.
Wimbledon organisers have 'zero appetite' to turn the Championships into a 15-day event
Rohan Bopanna and his Croatian partner Ivan Dodig suffered a shock loss to the pair of Francisco Cerundolo and Nicolas Jarry in the first round match of the China Open.
24-year-old Sebastian Baez, who is looking to become the first two-time Rio Open champion, will take on Alexandre Muller after the Frenchman beat Francisco Comesana 7-5, 6-7(3), 6-3 in a marathon battle.
Rohan Bopanna and his Australian partner Matthew Ebden advanced to the quarterfinals
Three-time champion Novak Djokovic battled past Frenchman Corentin Moutet in a match that lasted more than three hours on Thursday.
The Serbian Wimbledon champion extended his win streak to nine, wrapping up the final in 75 minutes without facing a break point and booked his place at next month's ATP Finals.
In the doubles draw, Indian pair Siddhant Banthia and Parikshit Somani beat compatriots Sai Karteek Reddy Ganta and Vishnu Vardhan 6-3, 3-6, 10-7 to book their spot in the quarter-finals.
Djokovic was soundly beaten by Zverev in the 2018 final, a match played out in an electrifying atmosphere in front of 18,000 fans. This time the arena was empty because of the COVID-19 lockdown, a surreal backdrop for a match with so much riding on it for both men.
Novak Djokovic beat Norway's Casper Ruud 7-5, 6-3 to collect a record-equalling sixth ATP Finals title on Sunday, earning the biggest paycheck ever in tennis - $4,740,300 - for completing the season-ending tournament unbeaten.
The last time the Swiss maestro was this far down in the ATP rankings was all the way back on January 2001, when Federer was just 19 years old. Notably, he was yet to win his first tour title.