Second seed Hewitt survived an enterprising challenge from Czech Lukas Dlouhy while Haas edged past 147th-ranked Irakli Labadze at the Thailand Open.
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.
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 Romanian will take on David Nalbandian in the final of the Munich Open.
The United States drew level with the Internationals after edging the Presidents Cup fourballs on Friday.
Top seed Rainer Schuettler beat Swede Robin Soderling 6-4, 7-6 in the first round of the Munich Open.
Tommy Haas won his first title in more than two years when he beat world number four Novak Djokovic 6-3, 6-7 6-1 in the Halle tournament final on Sunday. Haas, a former world number two who had not won a title since Memphis in 2007 after being plagued by a shoulder injury, was the more consistent in a baseline encounter that lasted two hours 12 minutes.
Andy Roddick and number two Tommy Haas moved closer to a showdown at the Legg Mason Tennis Classic with third-round victories.
Tommy Haas might be forgiven if he decided to skip Wimbledon from now on as the tournament brings him nothing but bad luck.
Tommy Haas went out of the Munich Open in the first round, losing 6-4, 6-4 to Sebastien Grosjean.
Haas had earlier defeated Russia's Mikhail Youzhny with an identical 6-4, 6-3 score.
Top seeds John Isner and Tommy Haas were dumped out of the Delray Beach International semi-finals by two players ranked outside the world's top 100, as Edouard Roger-Vasselin and Ernests Gulbis advanced to Sunday's final.
Reader Ajay Kanjani sent us a picture of Tommy Haas.
Lando Norris won the season-ending Abu Dhabi Grand Prix on Sunday to deliver McLaren's first Formula One constructors' title since 1998
Karnataka to face Services in men's doubles tennis final
Haas dispatched big-serving American Sam Querrey 6-4 7-5 while Blake completed his 200th career match victory with a 6-1 6-3 demolition of compatriot Scoville Jenkins.
India on Monday asserted that its friendly ties with the Maldives will continue as Prime Minister Narendra Modi and President Mohamed Muizzu unveiled a blueprint for comprehensive economic and maritime cooperation, signalling a reset of the relationship that had hit a rough patch last year due to anti-New Delhi rhetoric.
McLaren's Lando Norris took pole position for the Qatar Grand Prix sprint on Friday with Mercedes' George Russell denying the Formula One leaders a front row.
Germany's Tommy Haas reached his first Wimbledon semi-final at the age of 31 on Wednesday, outclassing a tentative Novak Djokovic 7-5, 7-6, 4-6, 6-3.
Slovakia's Dominik Hrbaty qualified for the final of the Paris Masters on Saturday after German Tommy Haas retired in their semi-final to drop out of the Masters Cup race.
The German produced a stunning performance to win the Memphis International for the third time.
Andy Murray's hopes of a first Grand Slam quarter-final ended in disappointment when he was beaten 6-1, 5-7, 6-3, 6-0 by seventh seed Nikolay Davydenko of Russia.\n\n
Oscar Piastri won the Azerbaijan Grand Prix and sent McLaren top of the constructors' standings in a race that finished with a virtual safety car after a penultimate lap collision between Ferrari's Carlos Sainz and Red Bull's Sergio Perez.
Former FedExCup champion Bill Haas tied his lowest score in a major to snatch the lead at the Masters on Thursday while holder Adam Scott experienced a real sense of deja vu in the opening round.
The United States-based Rohm and Haas company, a speciality material major, is targeting a turnover of over $100 million from its Indian operations in the next five years.
McLaren could clinch their first constructors' crown since 1998 on Sunday if they outscore Ferrari by 21 points at the Qatar F1 Grand Prix.
The world number one was beaten 3-6, 6-4, 6-4 by Germany's Tommy Haas at the invitational Kooyong Classic.
Max Verstappen, who could seal his fourth successive championship on Saturday, will line up fifth on the starting grid
Tommy Haas kept alive his slim chances of qualifying for next month's ATP World Tour Finals when he edged past near namesake Robin Haase 6-3, 4-6, 6-4 to lift his 15th career title at the Vienna Open on Sunday.
Red Bull's Max Verstappen equalled Ayrton Senna's record of eight pole positions in a row.
Haas, a six-time PGA Tour winner, was scheduled to play in the Genesis Open at the Riviera Country Club in Pacific Palisades that begins Thursday, but will withdraw to recover at his home in Greenville, South Carolina, his manager said.
A summary of sports events and persons who made news on Thursday
McLaren's Lando Norris dominated the Singapore Grand Prix from start to finish on Sunday to take another chunk out of Max Verstappen's Formula One championship lead.
Leclerc was 11 seconds clear with seven laps to go and 8.3 ahead with five remaining as the massed ranks of 'tifosi' willed him on.
Hamilton and Alonso happy to see old rival Kubica return
The 10th seed reached his first grand slam final in which he will play world number one Roger Federer on Sunday.
McLaren's Lando Norris hailed the best qualifying lap of his career after beating F1 leader Max Verstappen to pole position at the US Grand Prix.
