With no explanation, label text_A→text_B with either "not_related" or "related".
text_A: Ivan Lendl has been ranked as the world's top tennis player.
text_B: Ivan Lendl -LRB- -LSB- ˈɪvan ˈlɛndl -RSB- ; born March 7 , 1960 -RRB- is a former world No. 1 professional tennis player and is currently coaching current world No. 1 Andy Murray , alongside Jamie Delgado .. Andy Murray. Andy Murray. world No. 1. List of ATP number 1 ranked players. Jamie Delgado. Jamie Delgado. Originally from Czechoslovakia , he became a United States citizen in 1992 .. Czechoslovakia. Czechoslovakia. He was one of the game 's most dominant players in the 1980s and remained a top competitor into the early 1990s .. He has been described as one of the greatest tennis players of all time .. Lendl 's game relied particularly on strength and heavy topspin from the baseline and helped usher in the modern era of `` power tennis '' .. Lendl captured eight Grand Slam singles titles .. Grand Slam. Grand Slam ( tennis ). He competed in 19 Grand Slam singles finals , a record surpassed by Roger Federer in 2009 , Rafael Nadal in 2014 and Novak Djokovic in 2016 .. Tennis at the 2016 Summer Olympics – Men's singles. Grand Slam. Grand Slam ( tennis ). Roger Federer. Roger Federer. Rafael Nadal. Rafael Nadal. Novak Djokovic. Novak Djokovic. He reached at least one Grand Slam final for 11 consecutive years , a record shared with Pete Sampras , with the male primacy of eight consecutive finals in a Grand Slam tournament -LRB- a record shared with Bill Tilden at the US Open -RRB- .. Grand Slam. Grand Slam ( tennis ). Pete Sampras. Pete Sampras. Bill Tilden. Bill Tilden. Before the formation of the ATP , Lendl reached a record 12 year-end championships -LRB- equalled by John McEnroe -RRB- .. ATP. Association of Tennis Professionals. John McEnroe. John McEnroe. He won two WCT Finals titles and five Masters Grand Prix titles , with the record of nine consecutive finals .. WCT Finals. WCT Finals. Masters Grand Prix. Masters Cup. He also won a record 22 Grand Prix Super Series titles -LRB- 1980 -- 89 -RRB- , the precursors to the current ATP Masters 1000 .. ATP. Association of Tennis Professionals. Grand Prix Super Series. Grand Prix Super Series. ATP Masters 1000. ATP World Tour Masters 1000. Lendl first attained the world No. 1 ranking on February 28 , 1983 and bolstered his claim to the top spot when he defeated John McEnroe in the 1984 French Open final .. 1984 French Open – Men's Singles. world No. 1. List of ATP number 1 ranked players. John McEnroe. John McEnroe. French Open. French Open ( tennis ). For much of the next five years , until August 1990 , Lendl was the top-ranked player -LRB- with a break from September 1988 to January 1989 when Mats Wilander was at the top -RRB- .. 1989 Australian Open – Men's Singles. 1990 Australian Open – Men's Singles. Mats Wilander. Mats Wilander. He finished four years ranked as the world 's top player -LRB- 1985 -- 1987 and 1989 -RRB- and was ranked No. 1 for a total of 270 weeks and set a new record previously held by Jimmy Connors , since broken by Pete Sampras and Roger Federer .. 1989 Australian Open – Men's Singles. 1987 Nabisco Masters – Singles. 1985 Buick WCT Finals - Singles. Roger Federer. Roger Federer. Pete Sampras. Pete Sampras. Jimmy Connors. Jimmy Connors. He is one of three male players in the Open Era -LRB- with Connors and Federer -RRB- to win more than 1,000 tennis singles matches -LRB- 1,071 -RRB- .. Lendl has won 94 singles titles , second only in the Open Era to Connors ' 109 titles .. Lendl has been runner-up in a record 11 Grand Slam finals .. Grand Slam. Grand Slam ( tennis )
related.