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.
Andy Roddick has pounded down 56 aces this week, while Tommy Haas has yet to even face a single break point.
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.
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.
Lando Norris celebrated his first Monaco Grand Prix win from pole position on Sunday.
Lando Norris won the Austrian Grand Prix and revived his Formula One title bid after fending off championship-leading McLaren team mate Oscar Piastri under race-long pressure on Sunday.
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.
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.
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 trio looked relaxed as they had coffee at the Peter Rabbit Cafe in Adelaide.
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.
George Russell took Mercedes' first win of the Formula One season in Canada on Sunday while McLaren's Oscar Piastri went 22 points clear in the championship after teammate Lando Norris smashed into him and retired.
The German became the first player to enter the final with a 6-4, 6-4 victory over Argentina's Guillermo Coria.
Ferrari appointed Zhou Guanyu as a Formula One reserve driver on Wednesday after the Chinese lost his race seat with Swiss-based Sauber.
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.
Australian Oscar Piastri roared back from season-opening disappointment in his home race by winning the Chinese Formula One Grand Prix from pole position in a McLaren one-two with championship-leading teammate Lando Norris on Sunday.
The former world number one staged a remarkable comeback in the second round of the Hamburg Masters.
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.
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.
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.
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.
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 put Formula One champions McLaren on pole position for the Monaco Grand Prix in track-record time on Saturday, with Ferrari's Charles Leclerc alongside on the front row for his home race.
ITF will investigate Tommy Haas' claim that he was poisoned during Germany's Davis Cup semi-final in Russia.
Lando Norris led a McLaren front row sweep in qualifying for the season-ending Abu Dhabi Grand Prix on Saturday
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.
Germany's Tommy Haas beat third seed Nikolay Davydenko 6-3, 2-6, 1-6, 6-1, 7-5 to enter the semi-final.
Lando Norris lucked in to win a rain-hit and crash-strewn Miami Grand Prix sprint race in a McLaren one-two on Saturday.
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.
Second seed Hewitt survived an enterprising challenge from Czech Lukas Dlouhy while Haas edged past 147th-ranked Irakli Labadze at the Thailand Open.
The Romanian will take on David Nalbandian in the final of the Munich Open.
Veteran Tommy Haas backed up his upset of World No 1 Novak Djokovic with a quarter-final victory over Gilles Simon on Wednesday to advance to a semi-final against David Ferrer at the Sony Open in Miami.
The 39-year-old German, awarded a wildcard for his 16th and final appearance at the All England Club, had to accept his body was "not cooperating anymore" as he slumped to a 6-2, 3-6, 6-3, 7-5 first-round defeat by Belgian qualifier Ruben Bemelmans.
