The former world number one, who is easing his way back to full match fitness after a career-saving resurfacing procedure in January, saved all four break points he faced and dropped only six points on his first serve.
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.
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.
IMAGES from the Australian Open Men's semi-finals played on Friday.
Britain's Andy Murray joined world number one Novak Djokovic and newly-crowned US Open champion Rafa Nadal as definite qualifiers for the ATP World Tour finals on Tuesday, but Roger Federer faces an uphill task to make the eight-man field.
India has never beaten Sweden in five attempts in the Davis Cup.
Britain's Cameron Norrie fought back from a set down to beat world number two Carlos Alcaraz 5-7, 6-4, 7-5 in the Rio Open final on Sunday.
The International Tennis Federation (ITF) named Novak Djokovic and Aryna Sabalenka as its 'world champions' of 2023 after their performances at this year's Grand Slams.
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.
Rohan Bopanna's and Aisam-ul-Haq Qureshi's wait for their first ATP title continued after they lost the final of the Pilot Pen Tennis tournament to Wimbledon finalists Robert Lindstedt and Horia Tecau in New Haven, USA.
The buzz around talented teenagers Mirra Andreeva and Joao Fonseca continued at Indian Wells on Wednesday.
Russian Andrey Rublev was given a tough test early on, but finished in style to beat Britain's Jack Draper and win the Qatar Open.
The seventh seed Indian overcame stiff resistance from American Daniel Nguyen before prevailing 7-5, 4-6, 7-6(5) in the rain-hit final that lasted three hours and 31 minutes, turning out to be the longest summit clash in the ATP Challenger Tour history.
American qualifier Steve Johnson is through to his first ATP Tour semi-final after an emphatic victory at the Delray Beach Open on Friday.
Jack Sock ended local favourite Julien Benneteau's run at the Paris Masters with a 7-5, 6-2 victory to reach the final and move to the brink of an ATP Finals spot on Saturday.
Italian Bracciali banned for life, Starace for 10 years
'My dad is trying to retire me for a while now ...
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.
Both scored contrasting semi-final victories on Saturday.
The Indo-Pakistan tennis duo of Rohan Bopanna and Aisam-ul-Haq Qureshi has booked a berth in the season-ending ATP World Tour Finals to be held from November 20 to 27 at London's O2 arena.
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.
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.
World number one Novak Djokovic will bid for a record fourth successive ATP World Tour Finals crown in London later this year after becoming the first man to qualify for the season-ender.
He may have entered the semifinal as the underdog, but Jannik Sinner's stunning victory over overwhelming favourite Novak Djokovic left the Melbourne crowd shocked.
Wimbledon organisers have 'zero appetite' to turn the Championships into a 15-day event
Rohan Bopanna clinched the coveted No. 1 spot in men's doubles at the Australian Open 2024
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.
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.
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.
World No 1 Rafael Nadal is confident that arch-rival Roger Federer will be able to accumulate the points needed over the next few weeks to seal his spot for the season-ending ATP finale in London.
Nagal is likely to reach a new career-high ranking of world No. 92
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.
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.
Novak Djokovic dug out a 6-7(4) 6-1 6-4 win over Czech Jakub Mensik on Friday to advance to the semi-finals of the Shanghai Masters, where he will face Taylor Fritz.
Tabilo broke the top seed four times on Centre Court while not conceding a single break point.
World No 1 Rafael Nadal, who is hoping to recover from a knee injury to play in the season-ending showpiece, heads the other group and will face Belgian David Goffin, Bulgarian debutant Grigor Dimitrov and Austrian Dominic Thiem.
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.
The Serbian 24-times Grand Slam champion trailed Korda 5-2 in the second set but broke the American as he served at 5-3 and his precise and powerful serving carried him to the finish.
Philippine wildcard Alexandra Eala pulled off the biggest win of her young career with a stunning upset of Polish world number two Iga Swiatek.
Novak Djokovic's bid to add a 100th singles title to his trophy cabinet on Sunday was dashed after he was beaten 7-6(4), 6-3 by world number one Jannik Sinner in the Shanghai Masters final on Sunday.
