Top seed and two-times champion Andy Roddick moved into the last eight of the Indianapolis Championships with a 6-3 6-2 win over Russia's Evgeny Korolev on Wednesday.
The last American man to win a grand slam and to hold the world number one ranking, Andy Roddick ended his tennis career on centre court at the US Open on Wednesday after an enviable career that still might have left some fans wondering what if.
The American staged a great escape with a dramatic 4-6, 7-,6 7-6 win over France's Nicolas Mahut in the final.
Defending champion Davydenko, the top seed, struggled to keep pace with Argentina's Juan Monaco and slumped to a 6-2, 6-7, 6-4 defeat at the Poertschach International.
The American joins Roger Federer, Rafael Nadal, Novak Djokovic and Nikolay Davydenko who all have already booked their places at the elite eight-man tournament.
Top seed Andy Roddick beat fellow American Robby Ginepri 7-6, 7-6 and reach the Lyon Grand Prix quarter-finals.
Defending champion Andy Murray survived a scare to reach the quarter-finals with a 6-0, 6-7, 6-4 win over Dane Kristian Pless.
A misfiring Roger Federer beat Spain's Tommy Robredo 6-3, 7-6, 7-5 to enter the semi-final of the Australian Open.
Andy Roddick's hopes of reaching the semi-finals of the ATP World Tour Finals were hanging by a thread on Wednesday as the American was beaten 7-5, 6-3 by revived Czech Tomas Berdych at the O2 Arena.
Andy Roddick and Juan Carlos Ferrero will contest the Cincinnati Masters final on Sunday.
James Blake ended the run of Wesley Whitehouse, beating the South African qualifier 6-7, 6-3, 6-4.
Andy Roddick needed three sets to beat 46th-ranked Ukrainian Sergiy Stakhovsky 6-4, 6-7, 6-1, while fellow American Taylor Dent upset Feliciano Lopez to advance to the second round of the Cincinnati Masters on Monday.
Andy Roddick beat Chile's Fernando Gonzalez to guide the United States into the Davis Cup semi-finals with an unassailable 3-1 lead.
Russian qualifier Teimuraz Gabashvili swatted sixth seed Andy Roddick aside 6-4, 6-4, 6-2 in the third round of the French Open on Saturday as the American let his temper get the better of him.
Wimbledon champion Federer displayed deft touch while US Open champ Andy Roddick exuded brute force at the Kooyong International.
Andy Roddick eased into the second round of the Australian Open on Monday before declaring that one of his aims for 2009 was to put himself back into the small group of elite men who are always vying for top honours.
Defending champions Andy Murray will play Ivo Karlovic in the final of the San Jose Open.
Andy Roddick marched into the quarter-finals of the US Open with an easy 6-2, 6-4, 6-1 victory over Chilean 11th seed Fernando Gonzalez.
Top seed Andy Roddick blasted his way into the last four with a 6-4, 6-1 victory over Peru's Luis Horna.
Andy Roddick and John Isner set up a mouth-watering semi-final between two big servers after the Americans won their respective quarter-final matches at the Winston-Salem Open on Thursday.
The British teenager pulled off the biggest win of his career to set up a meeting with Lleyton Hewitt in the final of the SAP Open.
Andy Roddick ended the fairy tale run of John Isner by beating the rookie 6-4, 7-6 in the Washington Open final.
Three times champion Andy Roddick won the 500th match of his professional career with a hard fought 7-6, 6-4 third round victory over fellow American Sam Querrey at the Washington Classic on Thursday.
Second seed Roger Federer beat Andy Roddick of the United States 5-7 7-6 7-6 3-6 16-14 in an epic Wimbledon final to win his sixth title at the All England Club on Sunday.
The top seed was leading 6-4, 2-5 against Michel Kratochvil before heavy rain suspended play at the RCA Tennis Championships.
Roger Federer, Novak Djokovic and Andy Roddick each launched their title bids in triumphant style at the Indian Wells ATP tournament on Sunday without losing a set in the second round.
The American beat Lleyton Hewitt while the Frenchman overcame South Korean qualifier Lee Hyung-taik in the semi-finals.
Andy Roddick, hailed as the next great American player after he won the US Open in 2003, said he got a kick out of watching teenage compatriot Melanie Oudin scamper to an upset victory on Thursday.
Images from the matches played at the Australian Open on Sunday.
Argentine David Nalbandian proved too tough for the world No.1 at the Australian Open warm-up event.
The American ace scored a dramatic victory over Spain's Juan Carlos Ferrero in the ATP Masters Cup.
Andy Murray took another step closer to becoming the first British champion at Queen's Club for more than 70 years when he beat American Mardy Fish 7-5, 6-3 to reach the semi-finals on Friday. Andy Roddick made sure he stayed in the hunt to set up a final date with Murray, scoring a 7-6, 7-6 win over fellow big server Ivo Karlovic of Croatia.
The third seed was beaten in the first round of the French Open for the fourth time in his career, ousted by Russian Igor Andreev.
Roddick withstood a fierce onslaught from 12th seed Paradorn Srichaphan while Federer beat Feliciano Lopez.