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.
Teenage sensation Carlos Alcaraz steamrolled past Argentine lucky loser Juan Ignacio Londero 6-4, 6-2, 6-0 to kick off his French Open campaign in solid
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.
Carlos Alcaraz announced himself in Madrid when he played with a sore ankle but still dispatched three top five players -- Rafael Nadal, Djokovic and Alexander Zverev -- en route to his second Masters title, just days after his 19th birthday.
After shaking hands with the opponents, the 24-year-old Zverev, ranked third in singles, approached the umpire's chair and hit it repeatedly before heading towards his courtside seat, upset over a line call during the match earlier.
Rafael Nadal will skip the Miami Open that begins later this month in a bid to recover from a back injury in time for the clay court swing
Nadal struggled with the problem in the build-up to the year's first Grand Slam
His top ranking came on the same day that Russia launched a full-scale invasion of Ukraine that began with air and missile strikes on military facilities before troops and tanks rolled across borders from the north, east and south.
The Spaniard's withdrawal means Medvedev will be top seed at the March 1-7 event, which also features top-10 players Stefanos Tsitsipas and Alexander Zverev.
Sweden's Elias Ymer replaced Berrettini in the men's draw, organisers said.
Rafael Nadal beat new world number one Daniil Medvedev 6-3, 6-3 in a rematch of their Australian Open clash to storm into the final of the ATP 500 event in Acapulco on Friday.
Walking out of the outside courts at the Balewadi stadium, his gait was assuring as he uttered, "no more singles for me".
Tsitsipas pulled out of the Wimbledon warm-up event in Halle, Germany, because of personal reasons
Andy Murray started working with former coach Daniel Vallverdu this month on a short-term basis as the multiple Grand Slam winner works towards rediscovering the form that took him to the top of the world rankings.
Nadal has won the Australian and the French Open back-to-back and has the chance to become the first man to win all four majors in the same year
Djokovic sets sights on Paris Olympics
Federer had his first hit on Thursday at the ATP 500 event at the German city of Halle, where he has won 10 titles.
Hubert Hurkacz showed his Wimbledon credentials on Sunday, hammering world number one Daniil Medvedev
Medvedev squandered a two-set lead against Nadal in their previous meeting in the Melbourne final in January, allowing the Spaniard to clinch his 21st Grand Slam title.
Italian top seed Matteo Berrettini marked himself down as a genuine Wimbledon threat after beating Britain's Cameron Norrie 6-4, 6-7(5), 6-3 to win the Queen's Club title on Sunday.
Top seed Dominic Thiem survived an early scare and fought back from a set down to beat Argentina's Diego Schwartzman 3-6, 6-4, 6-3 and win his first Vienna Open title on Sunday.
Bopanna and Aisam, known as 'Indo-Pak Express' will play together since they last competed at the ATP 250 event in Shenzen in 2014.
Russia's Daniil Medvedev defeated Benoit Paire of France 6-3, 6-4 in the first round of the Abierto Mexicano tournament in Acapulco on Tuesday to get his quest for the world number one ranking off to a winning start.
Bopanna is back with his regular partner Pablo Cuevas for this tournament and they face Serbian team of Djokovic and Victor Troicki.
Rohan Bopanna and his partner Pablo Cuevas knocked out fifth seeds Raven Klaasen and Rajeev Ram after a three-set battle to progress to the quarterfinals of the ATP Monte Carlo Masters.
India's campaign folded at the China Open in the opening round with both Leander Paes and Rohan Bopanna crashing out of the men's doubles events along with their respective partners, in Beijing on Monday.
Participating at a fifth Olympics featured prominently in Federer's agenda, and the postponement of the Tokyo Games by a year due to the COVID-19 pandemic worked perfectly for the Swiss, who would otherwise have missed it due to injury.
ATP, WTA cancel China events, including Shenzen Finals
Novak Djokovic used a dizzying array of drop shots to make short work of Karen Khachanov at the Dubai Open on Thursday, reaching the semi-finals with a dominant 6-2, 6-2 win over the Russian seventh seed.
Australian maverick Nick Kyrgios blazed past Feliciano Lopez with a barrage of aces to reach the semi-finals of the ATP 500 Fever-Tree championships at Queen's Club on Friday. The 23-year-old was in dazzling form as he claimed a 7-6(5), 7-6(3) victory over the defending champion to set up a clash with top seed Marin Cilic, who breezed past Sam Querrey.
India's Leander Paes and Canada's Daniel Nestor have lost to Andreas Seppi and Fabio Fognini of Italy 3-6, 7-5, 10-8 in their semi-final of the ATP China Open tournament in Beijing.
Somdev Devvarman's challenge in the Dubai Duty Free Championship ended on Wednesday when he was beaten by fourth seed Juan Martin Del Potro of Argentina in the second round.
It was Novak Djokovic's first match this year after his Australian Open hopes were dashed when he was deported following an 11-day saga revolving around his decision not to have a COVID-19 vaccination.
Young India Davis Cupper Yuki Bhambri stumbled at the first step of the ATP China Open qualifiers, losing in straight sets to Donald Young, in Beijing.
Jerome Barson, who was a passenger in a sedan that collided with the SUV that Venus Williams was driving, died 13 days after the accident.
India's Somdev Devvarman has qualified for the ATP 500 China Open after he beat Italy's Paolo Lorenzi 3-6, 7-6, 6-3 in the final qualifying round of the tournament.
India's Yuki Bhambri produced one of the biggest wins of his career as he shocked World No. 22 Gael Monfils in the second round of the Citi Open.
IMAGES from Day 1 of the Wimbledon Championships played on Monday.
Rohan Bopanna and Pablo Cuevas shocked top seeds Marcelo Melo and Lukas Kubot to storm into the semi-finals of the Erste Bank Open
Ash Barty beat eighth seed Kiki Bertens of the Netherlands 6-3, 3-6, 7-6(7) in Beijing to seal her spot in the final of the China Open on Saturday.