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Another benefit of post-tensioning is that contractors can build larger slabs using thinner concrete sections, and they don't have to install control joints which can interfere with play. "In order to build a reinforced concrete court that has the same structural capabilities as a post-tensioned court, we would have to install so much steel and concrete that the reinforced court would actually cost more," says Kolkmann. "Also, a reinforced court needs control joints, usually at a spacing of 10 to 15 feet, including in the playing area. Eventually these joints may widen, as well as any cracks that appear."
From 'No advantage'. Scoring method created by Jimmy Van Alen. The first player or doubles team to win four points wins the game, regardless of whether the player or team is ahead by two points. When the game score reaches three points each, the receiver chooses which side of the court (advantage court or deuce court) the service is to be delivered on the seventh and game-deciding point. Utilized by World Team Tennis professional competition, ATP tours, WTA tours, ITF Pro Doubles and ITF Junior Doubles.
Van Alen called his innovation a "tiebreaker", and he actually proposed two different kinds or versions of it: best-five-of-nine-points tiebreaker and best-seven-of-12-points tiebreaker. The first lasts a maximum of 9 points, and awards victory in the set to whichever player or team first reaches 5 points – even if the other player or team already has 4; the margin of victory can be a single point. Because this "9-point" tiebreaker must end after a maximum of 9 points, even if neither player or team has a 2-point (or greater) margin, Van Alen also called it a "sudden-death tiebreaker" (If and when the score reached four points all, both players faced simultaneous set point and/or match point.). This type of tiebreaker had its Grand Slam debut at 1970 US Open and was employed there until 1974. Apart from being used for 5 years at US Open it was also used 1 year at Wimbledon and for a while on the Virginia Slims circuit and in American Colleges.
Tennis also became popular in France, where the French Championships dates to 1891 although until 1925 it was open only to tennis players who were members of French clubs. Thus, Wimbledon, the US Open, the French Open, and the Australian Open (dating to 1905) became and have remained the most prestigious events in tennis. Together these four events are called the Majors or Slams (a term borrowed from bridge rather than baseball).
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We also slide the non-dominant hand from the throat down to the handle while we’re changing the grip. This somewhat complex move has to be practiced for a while so that it becomes quick and eventually completely subconscious. From there, we again let the racquet drop and fall behind us. Then we pull it through the familiar contact point and follow-through stages that we already mastered.
Wilson Jack Kramer Autograph Midsize Wood Racquet 4 1/2. Vintage graphite/wood mix frame. The frame and head are absolutely straight. It was strung briefly before. There is a very slight scuff on the head (see photo) which may have come from years of storage/handling or someone swinging the racquet, but that’s it. The grip and the rest of the racquet show the like-new condition of this collectable racquet.
Have you always wanted to learn to play tennis, but you've been unsure of where to start? Do you love watching Rafael Nadal or Maria Sharapova dominate the courts, and hope to be just like them? Playing tennis can help you build speed, power, and fitness. It's also a great way to spend time with your family or your friends. Learn the layout of the court, the scoring system, and all the playing techniques you need to become a tennis pro!
For little money you get a tennis racket of the best quality, with which a junior player can feel completely comfortable. The perfect combination of light frame and child-friendly dimensions makes the Pure Drive Junior racket the perfect racket for beginners as well as small professionals. The racquet has been specially designed to suit as many levels of play as possible.
The next item on your racquet checklist is string. Pre-strung tennis racquets are great for beginners and recreational players. More advanced players may opt to customize their string material, gauge, and tension to their personal playing style. Natural gut tennis strings are considered the best, which is why many advanced players use them, but they tend to require frequent changing. Synthetic strings are great for recreational players as they achieve a happy medium between durability and playability. In terms of gauge: Thicker strings last longer but thinner strings feel better to most players. Experienced players tend to prefer lower string tension in their tennis racquets because it yields more power, while greener players benefit from the increased control of high-tension stringing. Regardless of your preference, be sure to adhere to the racquet manufacturer’s tension guidelines. Plan to have your racquet restrung at least once per year, and a good rule to follow is: However many times you play per week is the number of times per year you should restring your racquet. So if you play twice per week, have your tennis racquet restrung twice per year. If you play seasonally, make sure to time your restringing so that it occurs just before the season starts.
You definitely want to base your tennis racquet buying decision on your skill level too. Here are some examples. You probably don’t need to buy a $200 tennis racquet if you just want to go out and volley some balls with a friend to see if you like the sport. Also, if you are an advanced player who likes a little extra power and a racquet that helps you put you more spin on the ball as you return it, then a $70 tennis racquet is probably not going to fulfill that need.
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The Royal Tennis Court later came to be revered around the first anniversary of 20 June 1789, a decisive date in the history of France and of democracy. In 1790, a bronze plaque bearing the text of the oath was presented to the National Assembly and then taken in a procession to Versailles and put up facing the entrance to the Real Tennis room. Originally a royal sports and entertainment room, it became home to a temple to the memory of the abolition of the monarchy. It was soon neglected, however, and became a national asset in 1793. In the absence of any maintenance, it was closed to the public five years later.
Tennis is a racket sport that can be played individually against a single opponent (singles) or between two teams of two players each (doubles). Each player uses a tennis racket that is strung with cord to strike a hollow rubber ball covered with felt over or around a net and into the opponent's court. The object of the game is to maneuver the ball in such a way that the opponent is not able to play a valid return. The player who is unable to return the ball will not gain a point, while the opposite player will.