Steffi Graf, a German former professional tennis player, holds the record for the most weeks ranked world No. 1 by the WTA (377) and year-end No. 1 finishes (8). She claimed 107 singles titles on the WTA Tour, including 22 major women's singles titles, the second-most in the Open Era and third-most of all time. Graf is the only tennis player, male or female, to achieve a quadruple career Grand Slam, winning each major singles tournament at least four times.
Since 1911, Graf's 1988 win against Natasha Zvereva was the only double bagel in a Major final
Peter Graf, Steffi Graf's father, was born on June 18, 1938.
In 1953, Maureen Connolly Brinker previously performed the feat of winning the Grand Slam.
In 1968, the Open Era began, marking a new chapter in tennis history. Steffi Graf has won the second-most major women's singles titles since then.
On June 14, 1969, Stefanie Graf was born in Mannheim, Baden-Württemberg, West Germany, to Heidi Schalk and Peter Graf.
In 1970, Margaret Court previously performed the feat of winning the Grand Slam.
In 1976, Evonne Goolagong had a tennis ranking.
In 1978, hard court was introduced at the US Open.
In 1980, Tracy Austin had a tennis ranking.
In October 1982, Graf played in her first professional tournament in Filderstadt, Germany, where she lost to Tracy Austin.
In 1982, Steffi Graf won the European Championships in both the 12s and 18s categories.
In 1983, Graf began her first full professional year ranked world No. 124.
In 1983, Graf, as a teen phenom, became the youngest player to appear in the main draw of a major at the French Open.
During the 1984 French Open, Graf suffered a semifinal defeat where she lost her first 6-0 set.
In 1984, Graf gained international attention at Wimbledon and won the tennis demonstration event at the Olympic Games in Los Angeles.
By 1985, Graf's ranking had steadily climbed to world No. 6.
In 1985, Graf emerged as a top challenger to Martina Navratilova and Chris Evert, consistently reaching tournament finals, semifinals, and quarterfinals.
In 1985, Graf's schedule was closely controlled by her father, limiting her play to prevent burnout. She focused on practicing and match play, often practicing up to four hours a day.
On April 13, 1986, Graf won her first WTA tournament, the Family Circle Cup in Hilton Head, South Carolina, defeating Chris Evert in the final.
In 1986, Graf lost in the Australian Open quarterfinal to Jana Novotná. This marked the first time she had not reached the semifinals of a Grand Slam singles tournament since the 1986 French Open.
In early 1986, Graf continued to challenge the dominance of Martina Navratilova and Chris Evert, although she did not win a tournament during this period.
In 1987, Graf achieved a 75-2 win-loss record. On August 17, 1987, after defeating Evert, Graf overtook Navratilova for the world No. 1 ranking, which she held for 186 consecutive weeks.
In 1987, Graf had a Grand Slam tournament breakthrough, winning six tournaments heading into the French Open and ultimately defeating Martina Navratilova in the French Open final.
In 1987, Graf won her first major title at the French Open, marking the end of Chris Evert and Martina Navratilova's dominance in women's tennis.
In 1987, Martina Navratilova and Steffi Graf had a tennis ranking.
During Seles's absence in 1993, Graf won her first French Open title since 1988.
In 1988, Graf achieved the Golden Slam, winning all four major titles and the Olympic gold medal in the same calendar year.
In 1988, Graf beat Sabatini in the US Open final to win the Grand Slam, becoming one of only three women to achieve this feat. Her 1988 Grand Slam remains the only one completed on three surfaces.
In 1988, Graf became only the second tennis player in history to win a Slam on hardcourt, clay, and grass all in the same season.
In 1988, Graf started the year by winning the Australian Open, defeating Chris Evert in the final without losing a set during the tournament.
Graf defeated Mary Joe Fernández in the final of the Australian Open in 1989, marking her eighth Grand Slam singles title in the last nine she contested. Her winning streak continued until she lost to Monica Seles in Berlin.
In 1989, Graf came close to winning another Grand Slam but did not achieve it.
In 1989, Graf secured victories at Zurich and Brighton, solidifying her top-ranked status by defeating Navratilova in the Virginia Slims Championships final. She ended the year with an 86-2 match record.
In 1989, there was speculation about Graf potentially winning another Grand Slam. She began the year by winning the Australian Open, extending her Grand Slam tournament winning streak to five events.
In July 1990, Graf admitted that the scandal involving her father affected her performance, stating, "I could not fight as usual."
In 1991, Graf's father approached Heinz Günthardt during the Virginia Slims Championships, which led to him coaching Graf from 1992 onwards.
In 1991, Monica Seles had a tennis ranking.
In 1991, Steffi Graf faced a challenging year marked by injury problems, personal difficulties, and a decline in form. Monica Seles emerged as the dominant force, seizing the World No. 1 ranking in March, ending Graf's 186-week reign. Graf briefly regained the top spot after winning Wimbledon but lost it again after the US Open.
In 1994, Graf had her first loss in a first round Grand Slam tournament in ten years and her only loss at Wimbledon between 1991 and 1997.
In 1992, Graf missed the Australian Open due to rubella. She also began working with a new coach, Heinz Günthardt, after her father approached him during the 1991 Virginia Slims Championships. She reached her first final of the year in Boca Raton, Florida, defeating Conchita Martínez.
In 1992, Monica Seles had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
Following the stabbing of Monica Seles in 1993, Graf returned to dominance on the women's tour.
In 1993, Graf came close to winning another Grand Slam but did not achieve it.
In 1993, Graf had a mixed start, losing four of her first six tournaments. She later struggled at the German Open in Berlin, before ultimately claiming her seventh title there in eight years.
In 1993, Graf repeated the feat to win a Slam on hardcourt, clay, and grass all in the same season.
In August of 1995, Monica Seles made her much anticipated return to tennis at the Canadian Open, after the 1993 attack.
In 1994, Graf started the year by winning the Australian Open. She later developed a bone spur at the base of her spine, leading to a back injury.
In December 1995, Graf underwent surgery to remove bone splinters from her left foot.
In 1995, Arantxa Sánchez Vicario had a tennis ranking.
In 1995, Graf was accused of tax evasion by German authorities, with her father Peter being arrested in August.
In 1995, Graf won both the French Open and Wimbledon. Monica Seles made her return to tennis at the Canadian Open, and Graf faced her in the US Open final, winning in three sets.
In 1996, Graf defended her French Open, Wimbledon, and US Open titles, also securing her fifth WTA Tour Championships title.
In 1996, Monica Seles had a tennis ranking.
The Chicago Open in 1992 would be the last loss Steffi Graf would ever have to Novotna in a match she completed, although she did have a loss after withdrawing with injury after the first set of a late 1996 match.
In 1994, Graf had her first loss in a first round Grand Slam tournament in ten years and her only loss at Wimbledon between 1991 and 1997.
In 1997, Graf faced injury struggles, losing the world No. 1 ranking and failing to win a Grand Slam. She underwent reconstructive knee surgery and missed Wimbledon and the US Open.
In 1997, Martina Hingis had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
In 1997, Steffi Graf and Martina Hingis had a tennis ranking.
In 1997, prosecutors dropped their case against Graf after she agreed to pay a fine and donate to charity.
In 1998, Graf continued to face injury struggles.
In 1998, Graf continued to struggle with injuries, undergoing wrist surgery. Despite this, she won the Philadelphia title.
In 1998, Lindsay Davenport had a tennis ranking.
In 1999, Graf captured her 22nd and final major title at the French Open, reached the Wimbledon final, and retired from the sport at age 30, ranked world No. 3.
In 2001, Martina Hingis and Jennifer Capriati had a tennis ranking.
Since 2001, Graf has been married to fellow tennis player Andre Agassi.
In 2002, Venus Williams and Serena Williams had a tennis ranking.
In 2003, Kim Clijsters and Justine Henin had a tennis ranking.
In 2004, Amélie Mauresmo had a tennis ranking.
In 2004, Graf was inducted into the Tennis Hall of Fame.
In 2004, Steffi Graf was inducted into the International Tennis Hall of Fame.
In 2005, Maria Sharapova had a tennis ranking.
In 2006, Lindsay Davenport and Amélie Mauresmo had a tennis ranking.
In 2006, Roger Federer had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
In 2008, Justine Henin, Ana Ivanovic and Jelena Janković had a tennis ranking.
In 2008, Steffi Graf was inducted into the German Sports Hall of Fame.
In 2009, Jelena Janković and Dinara Safina had a tennis ranking.
In 2010, Caroline Wozniacki had a tennis ranking.
In 2011, Kim Clijsters had a tennis ranking.
In 2012, Maria Sharapova and Victoria Azarenka had a tennis ranking.
Peter Graf, Steffi Graf's father, passed away on November 30, 2013.
In 2013, Victoria Azarenka had a tennis ranking.
In 2015, Novak Djokovic had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
In 2015, Steffi Graf received the International Club's Jean Borotra Sportsmanship Award.
In 2016, Angelique Kerber had a tennis ranking.
In 2016, Serena Williams tied Graf's record of consecutive weeks at world No. 1.
In 2017, Serena Williams, Karolína Plíšková, Garbiñe Muguruza and Simona Halep had a tennis ranking.
In 2018, Caroline Wozniacki had a tennis ranking.
In 2019, Simona Halep, Naomi Osaka and Ashleigh Barty had a tennis ranking.
In 2021, Novak Djokovic had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
In 2022, Ashleigh Barty and Iga Świątek had a tennis ranking.
In 2022, Steffi Graf was honored with the Carnegie Corporation of New York's Great Immigrant Award.
In 2023, Aryna Sabalenka had a tennis ranking.
In 2023, Novak Djokovic had a 27-1 win-loss record, coming close to but failing to win the Grand Slam.
In 2024, Iga Świątek had a tennis ranking.
In 2025, Aryna Sabalenka had a tennis ranking.
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