With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Andre Agassi won the Australian Open in 2003.
text_B: Andre Kirk Agassi -LRB- -LSB- ˈɑːndreɪ ˈæɡəsi -RSB- born April 29 , 1970 -RRB- is an American retired professional tennis player and former World No. 1 who was one of the sport 's most dominant players from the early 1990s to the mid-2000s .. American. United States. World No. 1. List of ATP number 1 ranked singles players. Generally considered by critics and fellow players to be one of the greatest tennis players of all time , Agassi has been called the greatest service returner in the history of the game .. the greatest tennis players of all time. 100 Greatest of All Time. Described by the BBC upon his retirement as `` perhaps the biggest worldwide star in the sport 's history '' , Agassi compiled performances that , along with his unorthodox apparel and attitude , saw him cited as one of the most charismatic players in the history of the game .. BBC. BBC. As a result , he is credited for helping to revive the popularity of tennis during the 1990s .. In singles tennis , Agassi is an eight-time Grand Slam champion and a 1996 Olympic gold medalist , as well as finishing runner-up in seven other Grand Slam tournaments .. Tennis at the 1996 Summer Olympics – Men's singles. Grand Slam. Grand Slam ( tennis ). 1996 Olympic gold medalist. Tennis at the 1996 Summer Olympics. During the Open Era , Agassi was the first male player to have won 4 Australian Open titles , a record that was later surpassed by Novak Djokovic when he won his 5th title on 2015 , and then by Roger Federer in 2017 .. Novak Djokovic. Novak Djokovic. Open Era. History of tennis#Open Era. Roger Federer. Roger Federer. Agassi is one of five male singles players to achieve the Career Grand Slam in the Open Era and one of eight in history , the first of two to achieve the Career Golden Slam -LRB- Career Grand Slam and Olympic Gold Medal , the other being Rafael Nadal -RRB- , and the only man to win the Career Golden Slam and the ATP Tour World Championships -LRB- won in 1990 -RRB-  : a distinction dubbed as a `` Career Super Slam '' by Sports Illustrated .. ATP Tour. ATP Tour. 1990 Davis Cup. Grand Slam. Grand Slam ( tennis ). Open Era. History of tennis#Open Era. Career Grand Slam. Grand Slam ( tennis )#Career Grand Slam. Career Golden Slam. Grand Slam ( tennis )#Career Golden Slam. Rafael Nadal. Rafael Nadal. ATP Tour World Championships. ATP World Tour Finals. Sports Illustrated. Sports Illustrated. Agassi was the first male player to win all four Grand Slam tournaments on three different surfaces -LRB- hard , clay and grass -RRB- , and the last American male to win both the French Open -LRB- in 1999 -RRB- and the Australian Open -LRB- in 2003 -RRB- .. 2003 Australian Open – Men's Singles. 1999 ATP Tour World Championships. American. United States. Grand Slam. Grand Slam ( tennis ). He also won 17 ATP Masters Series titles and was part of the winning Davis Cup teams in 1990 , 1992 and 1995 .. Davis Cup. Davis Cup. 1995 Davis Cup. 1992 Davis Cup. 1990 Davis Cup. ATP Masters Series. ATP World Tour Masters 1000. Agassi reached the World No. 1 ranking for the first time in 1995 but was troubled by personal issues during the mid-to-late 1990s and sank to World No. 141 in 1997 , prompting many to believe that his career was over .. 1995 Davis Cup. World No. 1. List of ATP number 1 ranked singles players. Agassi returned to World No. 1 in 1999 and enjoyed the most successful run of his career over the next four years .. 1999 ATP Tour World Championships. World No. 1. List of ATP number 1 ranked singles players. During his 20-plus year tour career , Agassi was known by the nickname `` The Punisher '' .. After suffering from sciatica caused by two bulging discs in his back , a spondylolisthesis -LRB- vertebral displacement -RRB- and a bone spur that interfered with the nerve , Agassi retired from professional tennis on September 3 , 2006 , after losing in the third round of the US Open to Benjamin Becker .. sciatica. sciatica. spondylolisthesis. spondylolisthesis. bone spur. bone spur. nerve. nerve. US Open. US Open ( tennis ). Benjamin Becker. Benjamin Becker. He is the founder of the Andre Agassi Charitable Foundation , which has raised over $ 60 million for at-risk children in Southern Nevada .. In 2001 , the Foundation opened the Andre Agassi College Preparatory Academy in Las Vegas , a K-12 public charter school for at-risk children .. Las Vegas. Las Vegas Valley. 2001 Australian Open – Men's Singles. charter school. charter school. He has been married to fellow tennis player Steffi Graf since 2001 .. 2001 Australian Open – Men's Singles. Steffi Graf. Steffi Graf
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