The unseeded Indo-Colombian pair defeated Gonzalez and Molteni 6-3, 6-2 in the final that lasted for a little over an hour.
Learner Tien is the youngest American man to reach the third round of the Australian Open since an 18-year-old Pete Sampras in 1990.
Sinner remains the man to beat at Melbourne Park even as doping officials seek a two-year ban for the world number one for failing two drugs tests last March.
Teichmann wins singles, Anshba-Pridankina claim doubles at Mumbai Open
Reilly Opelka has called for chair umpire Greg Allensworth to be suspended by the ATP after he received a code violation at the Dallas Open for confronting a spectator in the stands who he claimed was deliberately coughing to interrupt his serve.
The Dane revealed he had taken notes from how Novak Djokovic beat Alcaraz in the Olympic final at Roland Garros.
Novak Djokovic may have played at the Madrid Open for the last time after crashing out
Rohan Bopanna and his Australian partner Matthew Ebden sailed into the men's doubles final at the Miami Open.
Images from the men's singles action at the US Open on Sunday.
Sinner gives the impression of a player with all the answers against whoever he comes up against, but the off-court questions he is likely to face about the doping case that surfaced in August might be harder to shrug off.
Twenty four time Grand Slam champion Novak Djokovic closed the 2023 ATP season by clinching the year-end No. 1 spot for a record-extending eighth time.
Jannik Sinner spearheaded Italy's charge towards a second successive Davis Cup title with a 2-0 victory over the Netherlands in the final at the southern Spanish city of Malaga on Sunday.
Alexander Zverev cruised past Frenchman Lucas Pouille in straight sets in the first round of the Australian Open on Sunday.
Novak Djokovic is one win away from a 100th career singles title after breezing past Grigor Dimitrov 6-2, 6-3 on Friday to reach the Miami Open final, where he will face either third seed Taylor Fritz or rising Czech Jakub Mensik.
Former world number one Andy Murray is in line to play Grigor Dimitrov in the opening round of the inaugural ATP Cup, with Bulgaria qualifying among the final six teams in the nation-based tournament.
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.
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.
In singles, Sumit Nagal was placed at world No. 256 as the top-ranked Indian men's singles player in ATP Rankings, while Asian Games bronze medallist Ankita Raina was the best India women's singles player at world No. 212.
A stellar season thus far has propelled the 43-year-old into the top 15.
Zverev and Rublev among dark horses for French Open
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.
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.
Alexander Zverev overcame late nerves to beat world number one Novak Djokovic on Saturday and set up a final showdown with Daniil Medvedev at the ATP Finals.
Chilean 21st seed Nicolas Jarry outclassed American Tommy Paul 6-3, 6-7(3), 6-3 to reach the Italian Open on Friday as former champion Alexander Zverev recovered from a slow start to beat Chilean Alejandro Tabilo 1-6, 7-6(4), 6-2.
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.
Rafa Nadal suffered a setback in his Paris 2024 Olympics preparations on Sunday as he was beaten 6-3 6-2 in the Swedish Open final by Portuguese seventh seed Nuno Borges.
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.
Rafael Nadal's hopes of winning the year-ending ATP Finals for the first time live on after the Spaniard beat defending champion Stefanos Tsitsipas 6-4, 4-6, 6-2 on Thursday.
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.
Daniil Medvedev fired Russia into the final of the ATP Cup on Saturday with a tense 3-6, 6-3, 7-5 win over an injury-hampered Alexander Zverev after the German destroyed a racket in frustration over a lost service break.
Yuki Bhambri claimed his maiden ATP title as he along with South Africa's Lloyd Harris of South Africa won the doubles title in the ATP tennis tournament in Mallorca
Philippine wildcard Alexandra Eala pulled off the biggest win of her young career with a stunning upset of Polish world number two Iga Swiatek.
'My dad is trying to retire me for a while now ...
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 two cases shocked the tennis world with many fuming at how they were handled by the authorities.
Wimbledon organisers have 'zero appetite' to turn the Championships into a 15-day event
The 35-year-old Serb was sent home from Australia on the eve of last year's event after a row about his COVID-19 vaccination status.
Madison Keys was dumped out of the Miami Open third round on Sunday, falling 6-4, 6-2 to Philippine wild card Alexandra Eala
He will surpass Roger Federer's record as the oldest No. 1 in ATP Rankings history on Sunday when he will be 36 years and 321 days old.
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