The trio looked relaxed as they had coffee at the Peter Rabbit Cafe in Adelaide.
Ferrari drivers Charles Leclerc and Lewis Hamilton were disqualified from the Chinese Formula One Grand Prix after their cars failed post-race checks on Sunday.
Lewis Hamilton will launch his bid to win the drivers' championship at a third F1 team when he makes his much-anticipated debut for Ferrari in the season-opening Australian Grand Prix.
World number one Aryna Sabalenka reached the last 16 at the Miami Open when Elena-Gabriela Ruse retired injured on Saturday, while men's top seed Alexander Zverev beat Jacob Fearnley 6-2, 6-4 to reach the third round.
Lando Norris lucked in to win a rain-hit and crash-strewn Miami Grand Prix sprint race in a McLaren one-two on Saturday.
The win from fourth on the grid was Australian Oscar Piastri's third in a row, after Bahrain and Saudi Arabia, and fourth of the season. McLaren have so far been beaten only once.
Lando Norris led a McLaren front row sweep in qualifying for the season-ending Abu Dhabi Grand Prix on Saturday
McLaren's Oscar Piastri celebrated pole position for the Bahrain Grand Prix, his 50th Formula One race, while dejected championship-leading teammate Lando Norris qualified sixth and said he had been "clueless on track".
World champion Max Verstappen put Red Bull on pole position for the Saudi Arabian Grand Prix in dramatic style on Saturday.
Two members of the Haas Formula One team and one from McLaren were quarantined in Melbourne on Wednesday as a precaution amid coronavirus fears ahead of Sunday's season-opening Australian Grand Prix. McLaren said one team member had self-isolated in the team hotel as a precaution for showing 'coronavirus-like symptoms'.
Roger Federer slumped to a shock 2-6, 7-6(8), 6-4 loss to German veteran Tommy Haas at the Stuttgart Open on Wednesday in a disappointing comeback after the 18-times grand-slam champion missed the entire claycourt season.
The Schumacher name will return to Formula One next season with Mick, son of Ferrari great and seven-times world champion Michael, announced on Wednesday as a race driver for the US-owned Haas team.
Verstappen crossed the line in his Red Bull for his 64th Grand Prix victory to a huge ovation from the 115,000 crowd some 1.4 seconds ahead of McLaren's championship leader Lando Norris in second place.
World champion Max Verstappen took pole position for the Japanese Grand Prix on Saturday, stunning the McLarens with a late flying lap.
Andy Roddick has pounded down 56 aces this week, while Tommy Haas has yet to even face a single break point.
Drivers returned to the pits, under a darkening sky, with engineers using torches in the garages before back-up generators came on and the session resumed about an hour later.
Second seed Tommy Haas suffered a first round defeat in the Delray Beach International, losing to Argentine Diego Hartfield.
Germany's Tommy Haas came from a set down to upset 11th-seeded Andy Murray 2-6, 7-5, 6-3 in Wednesday's fourth round and maintain his impressive run at the Pacific Life Open.
Abu Dhabi Grand Prix stewards dismissed a protest by the Haas Formula One team on Saturday and recognised Force India as a new constructor whose cars were eligible to compete in the championship.
Lewis Hamilton smashed the Shanghai circuit lap record on his way to a stunning first sprint race pole for Ferrari in China on Friday.
Tommy Haas was upset 5-7, 6-4, 6-4 by Russia's Igor Kunitsyn in the opening round of the US Clay Court Championships.
Twice defending champion Tommy Haas was knocked out of the Memphis Championships on Wednesday, losing 3-6, 6-2, 7-5 to fellow German Benjamin Becker.
The German beat fellow countryman Nicolas Kiefer in the Mercedes-Benz Cup final in Los Angeles.
Haas, ranked 10th in the world and the 2004 champion here, converted five of 12 break points to defeat the 19-year-old Californian for the third straight time this season.
Roger Federer beat Tommy Haas 6-1, 6-3 in the fourth round in Miami.
The German became the first player to enter the final with a 6-4, 6-4 victory over Argentina's Guillermo Coria.
The fifth seeded German needed two hours and 11 minutes to see off the top seed and defending champion in the quarter-finals of the U.S. Clay Court championships.
Ferrari's underwhelming pace was a surprise to their rivals and to Hamilton, whose quickest lap in the final qualifying session (Q3) was nearly nine-tenths of a second slower than Norris's.
The former world number one staged a remarkable comeback in the second round of the Hamburg Masters.
Germany's Tommy Haas recorded the upset of the tournament when he stunned two-time defending champion Novak Djokovic 6-2, 6-4 in the fourth round of the Sony Open at Miami on Tuesday.
Germany's Tommy Haas beat world number nine Jo-Wilfried Tsonga 6-3, 7-6 on Wednesday to book his spot in the grasscourt Halle tournament quarter-finals.
Lewis Hamilton will bring down the curtain on his Mercedes career in Abu Dhabi on Sunday as his past and future Formula One teams, McLaren and Ferrari, fight for a constructors' title to end years of waiting.
Red Bull's Max Verstappen won the Qatar Grand Prix on Sunday with the battle for the constructor's title going down to next weekend's Abu Dhabi season-ender
Former world number two Tommy Haas officially announced his retirement from tennis at the BNP Paribas Open in Indian Wells on Thursday, ending a career that spanned more than two decades.
ITF will investigate Tommy Haas' claim that he was poisoned during Germany's Davis Cup semi-final in Russia.
Germany's Tommy Haas beat third seed Nikolay Davydenko 6-3, 2-6, 1-6, 6-1, 7-5 to enter the semi-final.
Britain's Tim Henman lost 6-2, 7-6 to German Tommy Haas in the second round of the Qatar Open on Wednesday.
Tommy Haas beat Russia's Dmitry Tursunov 4-6, 7-5, 6-3 in the final of the Los Angeles Open.
