Title: 1989 US Open – Men's Singles
Content: 1989 US Open – Men's Singles Mats Wilander was the defending champion but lost in the second round to 18-year-old and future World Number 1 Pete Sampras. Boris Becker defeated Ivan Lendl 7–6, 1–6, 6–3, 7–6 in the final to win the Men's Singles tennis title at the 1989 US Open. It was Lendl's eighth consecutive singles final reached. The seeded players are listed below. Boris Becker is the champion; others show the round in which they were eliminated. Played on Stadium Court, National Tennis Center, Flushing Meadows, New York. Originally shown by USA Network with play by play commentators:

Title: 1989 Wimbledon Championships – Men's Singles
Content: a Grand Slam tournament since the 1985 US Open final. The tournament also featured the first appearances of future champions Pete Sampras and Michael Stich in the main draw. Mats Wilander was about to complete the career Grand Slam in his career and losing to McEnroe in the quarterfinals. Ivan Lendl "(Semifinals)" 1989 Wimbledon Championships – Men's Singles Boris Becker defeated the defending champion Stefan Edberg in the final, 6–0, 7–6, 6–4 to win the Gentlemen's Singles tennis title at the 1989 Wimbledon Championships. The semi-final match between Ivan Lendl and eventual champion Becker became at the time the longest

Title: 1988 Wimbledon Championships – Men's Singles
Content: losing to Miloslav Mečíř in the quarterfinals, it would not be until 2010 that hard court, clay and grass Grand Slam titles would be won by one man in a single calendar year, when Rafael Nadal won the French Open, Wimbledon and US Open. As of 2017, Rod Laver's record of winning the Australian Open, French Open and Wimbledon in the same calendar year has not been broken. John McEnroe competed for the first time since 1985, losing in the second round to Wally Masur. This tournament also featured the first appearance of future champion Goran Ivanišević. Ivan Lendl "(Semifinals)"

Title: 1988 US Open – Men's Singles
Content: others show the round in which they were eliminated. 1988 US Open – Men's Singles Mats Wilander defeated three-time defending champion Ivan Lendl, 6–4, 4–6, 6–3, 5–7, 6–4 in the final to win the Men's Singles title at the 1988 US Open. This was the longest US Open men's final in history, clocking in at four hours and fifty-four minutes; this record was matched in 2012 when Andy Murray defeated Novak Djokovic in that year's final. This tournament was notable for being the first Grand Slam in which Pete Sampras and Jim Courier competed in the main draw. The seeded

Title: 1988 US Open – Men's Singles
Content: 1988 US Open – Men's Singles Mats Wilander defeated three-time defending champion Ivan Lendl, 6–4, 4–6, 6–3, 5–7, 6–4 in the final to win the Men's Singles title at the 1988 US Open. This was the longest US Open men's final in history, clocking in at four hours and fifty-four minutes; this record was matched in 2012 when Andy Murray defeated Novak Djokovic in that year's final. This tournament was notable for being the first Grand Slam in which Pete Sampras and Jim Courier competed in the main draw. The seeded players are listed below. Mats Wilander is the champion;

Question: Which European won tennis's 1989 Men's Singles at the US Open?
Answer: Boris Becker