Andujar, ranked 75th in the world, made a strong start, while Federer struggled to settle into his serving rhythm early on.
Rafael Nadal is one win away from a fifth title since returning from injury after the Spanish World No 5 thumped compatriot Pablo Andujar 6-0, 6-4 on Saturday to reach the Madrid Open final.
Thiem knocked out by Andujar in French Open first round
The unseeded Indo-Croat pairing had received a walkover in the pre-quarters on Sunday against Netherlands' Matwe Middelkoop and Marcelo Arevalo of El Salvador.
Kei Nishikori was crowned Barcelona Open champion for the second consecutive year after a hard-fought 6-4, 6-4 victory over surprise Spanish finalist Pablo Andujar on Sunday.
Shapovalov said the enforced break from Twitter gave him more time to focus on tennis, adding that he had started working with new coach Rob Steckley during the off-season.
The 41-year-old Bopanna, ranked 40 in the world, is not defending any points this year at the Roland Garros.
Rohan Bopanna and Mahesh Bhuapthi advanced to the second round of the men's doubles at the Australian Open with their respective partners, in Melbourne, on Wednesday, even as Somdev Devvarman and Sania Mirza bowed out of the men's singles and women's doubles respectively.
Novak Djokovic and Roger Federer each needed three sets to reach the quarter-finals of the Indian Wells ATP tournament on Wednesday while Rafa Nadal advanced with a comfortable victory over Alexandr Dolgopolov.
The seventh-seeded Indian combination got the better of Marcel Felder of Uruguay and Tunisia's Malek Jaziri 6-0, 7-6 (1), 6-2 in their first round match.
World No 2 Rafael Nadal swept into the third round of the Barcelona Open when he thrashed Guillermo Garcia-Lopez 6-1, 6-2 as he began his quest for a seventh Conde de Godo trophy in eight years on Wednesday.
Rohan Bopanna recorded his 100th career doubles win after he and Aisam ul-Haq Qureshi scored a straight-set victory over Spaniards Pablo Andujar and Guillermo Garcia-Lopez at the AEGON International.
Rafael Nadal enjoyed a smoother time after a bumpy ride in his opening match but a 7-5, 6-3, 7-6 win over fellow Spaniard Pablo Andujar in the French Open second round on Thursday still did not satisfy the champion.
Leander Paes and Lukas Dlouhy made a shock exit from the US $ 2,270,000 Madrid Masters, losing their second round match to wildcards Pablo Andujar and Marcel Granollers. The third seeded Indo-Czech pair managed to shrug off a disastrous start but eventually lost 1-6, 6-3, 7-10 to their Spanish opponents in 55 minutes.
Rohan Bopanna and Aisam-ul-haq-Qureshi erased a one-set deficit against Janko Tipsaveric and Viktor Troicki to storm into the semi-finals of the St. Petersburg Open.
This year's French Open welcomes up to 5,388 spectators
23-times Grand Slam winner Serena Williams said she is a Roger Federer 'superfan'.
Rohan Bopanna and Aisam-ul-haq Qureshi scored their first victory since reuniting as a team, overcoming a spirited challenge from Jean-Julien Roger and Horia Tecau in the first round of the ATP Apia International, in Sydney on Tuesday.
Next up for the 35-year-old will be another American in 39th-ranked Tommy Paul with a potential semi-final clash against top-seeded Russian Daniil Medvedev, who he defeated in the Australian Open final from a two-sets deficit.
After the match against Argentina's Francisco Cerundolo, Benoit Paire posted a screenshot of his career winnings of $8.50 million and wrote: "In the end it's worth it to suck."
Top seeds Sania and her Brazilian partner Bruno Soares edged past Abigail Spears and Santiago Gonzalez.
Federer's preparations for the claycourt Grand Slam were cut short in Geneva
Leander Paes and Martina Hingis won their mixed doubles opener at the Australian Open tennis tournament on Sunday.
Serena will not be in the US team for the Tokyo Olympics
Nadal will have the chance to claim the top spot back on Monday if he wins his third title in Acapulco
Rafa Nadal's bid to get back to top form before the French Open suffered a setback when he crashed to a 6-4, 7-6(6) defeat to 13th-seeded Italian Fabio Fognini in the third round of the Barcelona Open on Thursday.
Images from Day 5 of the 2021 US Open in New York on Friday.
'The most confusing part as a player is even though the entry deadline has passed for Olympics, we have no idea on what the exact cut off of rankings are.'
Exodus of big guns opens up bottom half of men's draw
World No 2 Rafael Nadal sailed into the quarter-finals of the China Open, his first tournament in 13 weeks, with a 6-3, 6-4 win over German qualifier Peter Gojowczyk on Thursday.
Andy Murray and Rafael Nadal were winners but six seeds were beaten in a day of upsets in the second round at the Rogers Cup in Montreal on Thursday.
Conchita Martinez will take over as Spain's Davis Cup captain for the Group I tie away to Russia.
Ageing tour warrior Lleyton Hewitt ushered Australia into the Davis Cup semi-finals on Sunday, trouncing Aleksandr Nedovyesov 7-6(2), 6-2, 6-3 in the decisive singles rubber against Kazakhstan.
Coming back to the Australian Open as defending champion has felt surreal at times for Stanislas Wawrinka but the Swiss fourth seed was all business in his first-round thrashing of Turkish trailblazer Marsel Ilhan.
US Open champion Marin Cilic made a shock first-round exit from the Shanghai Masters on Monday after losing 7-5, 2-6, 7-6(2) to fellow Croatian Ivo Karlovic.
Tennis: Felix Auger-Aliassime toppled in Morocco
Top seed Novak Djokovic launched his Shanghai Open title defence in fine style, breezing past Spain's Marcel Granollers 6-2, 6-0 on Wednesday. Later Roger Federer, playing his first singles match since a fourth-round exit at the US Open, made a brisk return to winning ways, beating Andreas Seppi 6-4, 6-3.
Venus Williams got off to a flying start in her return from a two-month layoff but her game quickly fell apart as the seven-time Grand Slam champion slumped to a 0-6, 6-4, 6-2 loss to Kirsten Flipkens in the Rogers Cup first round on Tuesday.
A summary of sports events and sports persons, who made news on Sunday
IMAGES from Day 1 of the Wimbledon Championships played on Monday.