Swedish former top 10 player Joachim Johansson announced his retirement from international competition on Friday at the age of just 25, citing his recurrent shoulder injuries as the reason.
Joachim Johansson and Thomas Enqvist both won second-round matches in the Australian men's hardcourt championship.
The 2002 Australian Open champion will spearhead the former champions' campaign in the Davis Cup World Group play-off against India.
Sweden's Joachim Johansson unleashed 19 aces on his way to a 7-5, 6-4 victory over Croatia's Ivan Ljubicic.
Juan Carlos Ferrero's struggle for form continued at the Marseille Open on Tuesday where the former world number stumbled in straight sets in the first round against Joachim Johansson.
Sweden fought back to level their Davis Cup semi-final with United States 1-1 on Friday when Thomas Johansson defeated James Blake for the first time in his career.
Japanese teenager Kei Nishikori beat Slovak Dominik Hrbaty 6-1, 1-6, 7-5 to reach the quarter-finals at the Stockholm Open on Thursday. Nishikori, 18, broke the former world number 12 to lead 6-5 in the decider before serving out for victory. He next faces second seed Mario Ancic of Croatia, who beat Belgian Steve Darcis 7-6, 6-4.
Juan Carlos Ferrero battled past Swede Joachim Johansson to reach the fourth round of the Aus Open.
Defending champion James Blake beat Swede Robin Soderling while Finnish fifth seed Nieminen got the better of Joachim Johansson in another semi-final.
Jonas Bjorkman and Joachim Johansson beat Todd Woodbridge and Wayne Arthurs in an epic Davis Cup doubles match.
Andre Agassi beat Spain's Tommy Robredo while Marat Safin knocked out Peruvian Luis Horna at the Madrid Masters.
A year after losing to Czech Lukas Rosol in the second round, French Open champion Rafael Nadal was outplayed by the 135th-ranked Steve Darcis on Court One, losing 7-6(4), 7-6(8), 6-4 in front of a disbelieving crowd at Wimbledon.
Sweden beat Italy 1-0 to gain the upperhand after their World Cup playoff first leg on a chilly night, while a young England side held Germany goalless and Belgium drew 3-3 with Mexico despite Romelu Lukaku's double but France eased to a 2-0 victory against Wales.