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.
Dimitrov was showing signs of fatigue from his three-hour third-round match earlier in the week and could do little to stop the Spanish world number three, who next faces Argentine Francisco Cerundolo.
Frances Tiafoe sees huge strides for American men after another deep US Open run. The ebullient fan favourite was already looking to the future.
Zverev fresh for Australian Open final after being spared gruelling Djokovic test
American tennis player Taylor Fritz and his doubles partner, Tik Tok personality Addison Rae, won the virtual Stay At Home Slam on Sunday as real-life tennis remains on hold because of the coronavirus crisis. The likes of the Williams sisters, Japanese stars Naomi Osaka and Kei Nishikori and the recently retired Maria Sharapova competed as their favourite characters from the world of Nintendo to raise money for charity.
Fourth seed Alexander Zverev will play Brandon Nakashima as the former finalist looks to end his long wait for a maiden Grand Slam title.
Here is what you need to know about the year's Australian Open:
Following his victory, Sinner celebrated wholeheartedly with his team, but a particularly heartwarming moment unfolded with his girlfriend, Anna Kalinskaya.
Andy Murray's illustrious career finally came to an end as he and doubles partner Dan Evans were beaten 6-2, 6-4 by American pair Taylor Fritz and Tommy Paul in the Olympics quarter-finals at Roland Garros on Thursday.
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.
Jannik Sinner overpowered American Taylor Fritz in the final to become the first Italian man to win the US Open singles title.
Daniil Medvedev might have to delay his holiday plans a while longer after rediscovering his spark to beat Australia's Alex de Minaur in straight sets at the ATP Finals on Tuesday.
Team Europe and Team World are tied at 2 after one day of the Laver Cup after play opened Friday in Berlin.
Former world number one Novak Djokovic, the last surviving member of tennis' "Big Four", said he does not plan on stopping any time soon but admitted that the retirement of rivals Roger Federer, Andy Murray and Rafa Nadal has been overwhelming.
Australia now have the opportunity to avenge last year's final defeat by Italy after world number one Jannik Sinner inspired the holders to a 2-1 victory over Argentina.
The celebrities who graced the men's and women's singles finals at Arthur Ashe Stadium on the weekend.
Novak Djokovic's bid for a record 25th Grand Slam title kicked off on Monday with an easy win over qualifier Radu Albot in the US Open first round.
Defending champion Jannik Sinner dismissed eighth seed Alex de Minaur 6-3, 6-2, 6-1 to reach the Australian Open semi-finals and extend the country's decades-long wait for another homegrown singles winner at the Grand Slam on Wednesday.
Defending ATP Finals champion Novak Djokovic has pulled out of the season-ending event in Turin through injury, the Serbian said on Tuesday.
The world No. 1 said the "mental part" of his game was especially important in his run to the US Open title this year.
Carlos Alcaraz won two matches to lift Team Europe to a 13-11 victory over Team World for the Laver Cup title in Berlin.
Sinner advanced with a 6-3, 7-6 (3) victory over home favorite Bu Yunchaokete and No. 2 seed Alcaraz held off No. 3 Daniil Medvedev 7-5, 6-3 in Tuesday's semifinals.
Four-time Grand Slam winner Carlos Alcaraz said a tight tennis calendar makes it difficult for players to stay motivated throughout the year and increases the risk of injuries.
Alexander Zverev into ATP Finals semis after straight sets win over Carlos Alcaraz
A US Open full of upsets and hungry, young contenders offered the latest sign that men's tennis has entered a new era
Carlos Alcaraz suffered a shock 6-1, 7-5 defeat against Norway's Casper Ruud in his opening match at the ATP Finals
The 23-year-old said he expected Britain's Draper, who reached a Grand Slam semi-final for the first time, to be a strong contender.
The International Cricket Council (ICC) unveiled an all-female panel of match officials for the upcoming Women's T20 World Cup 2024. A group of 10 umpires and three match referees are appointed to oversee the marquee event, hosted by Bangladesh in the UAE.
Czech duo Siniakova and Machac win mixed doubles gold
Rublev came into the tournament on a four-match losing streak, but has eased into the final, knocking out second seed Carlos Alcaraz on the way, and will face unseeded Canadian Auger-Aliassime for the title on Sunday.
Italy's Matteo Berrettini beat Brazil's Joao Fonseca to give his side a flying start and Matteo Arnaldi then outlasted Thiago Monteiro to put the hosts into a 2-0 lead.
A summary of Friday's action in the Davis Cup group stage matches.
Teenager Taylor Fritz earned the chance to face his hero Roger Federer after the American defeated an unranked French qualifier on Tuesday to reach the second round in Stuttgart. Federer will be playing his first match in nearly a month after recovering from back pain and skipping the French Open, as he ramps up his preparations for Wimbledon. Number 65 Fritz has had time on court with the Swiss legend -- a Wimbledon training session a year ago - but booked his place into the match of his life with a 3-6 7-6 (8/6) 6-1 win over Fabrice Martin on the grass at the Weissenhof Club. Fritz, 18, said he will not worry with nerves when he faces one of the best players on the planet. "I have nothing to lose, there is no pressure on me, I don't think there will be any nerves." The teenager said he had watched and admired Federer as a boy aged 11.
A summary of the day's tennis action at Roland Garros.
Novak Djokovic begins his hunt for a fifth Flushing Meadows crown when he meets Moldovan Radu Albot
The British duo squandered two match points in a nerve-jangling second set tiebreak and looked to be heading out as the Belgians moved ahead in the third set, leading 9-7.
Here is a quick glance of all the highs and lows from Nadal's stupendous career:
Daniil Medvedev, the 2021 champion, will need to shake off a run of poor form if he is to mount a challenge.
Images from the US Open women's singles quarter-finals at Flushing Meadows on Wednesday.
Wimbledon attracts celebrities the way the US Open, the French Open and the Australian Open can't.