The ITF's Play and Stay campaign promotes playing on smaller courts with slower red, orange and green balls for younger children. This gives children more time and control so they can serve, rally, and score from the first lesson on courts that are sized to fit their bodies. The ITF has mandated that official competition for children under 10 years of age should be played on "Orange" courts 18 m (59 ft) long by 6.4 m (21 ft) wide. Competition for children under 8 years is played on "Red" courts that are 11 m (36 ft) long and 5.5 m (18 ft) wide. The net is always 0.8 m high in the center.[4]
A game consists of a sequence of points played with the same player serving, and is won by the first side to have won at least four points with a margin of two points or more over their opponent. Normally the server's score is always called first and the receiver's score second. Score calling in tennis is unusual in that (except in tie-breaks) each point has a corresponding call that is different from its point value. The current point score is announced orally before each point by the judge, or by the server if there is no judge.
Tie-break sets are now nearly universal in all levels of play, for all sets in a match; however, the tie-break is not a compulsory element in any set, and the actual formatting of sets and tie-breaks depends on the tournament director in tournaments, and, in private matches, on the players' agreement before play begins. Tie-breaks are not used in the final set in the Australian Open for singles before 2019, the French Open for singles, Wimbledon before 2019, or the Fed Cup, nor were they used for final sets in Davis Cup play or the Olympics before 2016. The US Open now uses a tiebreak in the final set, both in singles and in doubles, and was the only major tournament to use a tiebreak in the final set for singles before 2019, but the Australian Open and French Open do use a final set tiebreak in both men's and women's doubles.
The modern tennis court owes its design to Major Walter Clopton Wingfield. In 1873, Wingfield patented a court much the same as the current one for his stické tennis (sphairistike). This template was modified in 1875 to the court design that exists today, with markings similar to Wingfield's version, but with the hourglass shape of his court changed to a rectangle.[50]

Moving, always moving, and all the time thinking and checking off: Maintain the continental grip, the base knuckle of the index finger of my left hand resting on the bevel one notch counterclockwise from the racket handle’s high noon. (Check.) Keep the racket in front and the racket head up. (Check.) Knees slightly bent. (Check.) Turn sideways quickly, and punch with your shoulder, don’t swing; and tighten your grip at the moment the ball is about to hit the strings.
Although this suggestion might sound attractive, the medieval period ran until around the end of the 15th century (i.e. until about 1500), and at that time clocks recorded only the hours (1 to 12). It was not until about 1690, when the pendulum system was invented, that clocks regularly had minute hands. So the concept of tennis scores originating from the clock face could not have come from medieval times.[6]
Muscle strain is one of the most common injuries in tennis.[79] When an isolated large-energy appears during the muscle contraction and at the same time body weight apply huge amount of pressure to the lengthened muscle, muscle strain can occur.[80] Inflammation and bleeding are triggered when muscle strain occurs, which can result in redness, pain and swelling.[80] Overuse is also common in tennis players of all levels. Muscle, cartilage, nerves, bursae, ligaments and tendons may be damaged from overuse. The repetitive use of a particular muscle without time for repair and recovery is the most common cause of injury.[80]
After this Incident 6 Month Later I injured my Left Ankle in The MRI Scan I found my ankle Ligament is tear so I visited the doctor After getting the report and checking my ankle doctor said you need to take rest couple of month after getting lot of ERP and NIDDLE THERAPY finally after 1.5 year later my ankle is now in that position so that I can play tennis.
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Advantage sets sometimes continue much longer than tie-break sets. The 2010 Wimbledon first-round match between John Isner and Nicolas Mahut, which is the longest professional tennis match in history, notably ended with Isner winning the fifth set by 70–68. The match lasted in total 11 hours and five minutes, with the fifth set alone lasting eight hours, 11 minutes. Whoever wins by a margin of two wins the set, but this could take a very long time to finish.
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Never let it be said that tennis is not a manly game. Sure, there isn’t a lot of bone crunching going on, but there is Maria Sharapova and Daniela Hantuchova grunting and groaning the day away, which you can’t beat no matter how nice your stick is. Long maligned as a game for pale hemophiliacs in white shorts, tennis has come back in a big way and if you aren’t ready to play with some knowledge of the game and a good tennis racket you’re going to miss the bus. That’s why we’re here.
This article is very helpful. I played tennis quite a bit during teenage years and now I am getting back in to tennis in my 40s. My serve and backhand feels very natural but my forehand feels really awkward right now. I started to focus on technique and it’s not going well. After reading this, it makes me think that I should focus more on timing and position with comfortable swing and come back to technique once some of the rust wears off.
Before and during the open era, Rod Laver remains the only male player in history to have won the calendar year Grand Slam twice in 1962 and 1969 [101] and also the calendar year Professional Grand Slam in 1967.[102] More recently Björn Borg and Pete Sampras were regarded by many of their contemporaries as among the greatest ever. Andre Agassi, the first of two male players in history to have achieved a Career Golden Slam in singles tennis (followed by Rafael Nadal), has been called the best service returner in the history of the game.[103][104][105][106] He is the first man to win grand slams on all modern surfaces (previous holders of all grand slam tournaments played in an era of grass and clay only), and is regarded by a number of critics and fellow players to be among the greatest players of all time.[103][107][108] However it must be noted that both Rod Laver and Ken Rosewall also won major Pro Slam tournaments on all three surfaces (grass, clay, wood) Rosewall in 1963 and Laver in 1967.[109]
WILSON Pro Staff RF 97 STRUNG tennis racquet in USED condition! Offers HUGE access to SPIN and POWER! Scuffing and paint chips from regular play. BRAND NEW Solinco Tour Bite Rough strings! BRAND NEW Tourna Tac grip! 4 1/2! ROGER FEDERER! $220! EXTREMELY FAST SAME/NEXT DAY SHIPPING! Specs: - 97 sq. in. headsize - 16X19 string pattern - 4 1/2 grip - string with BRAND NEW Solinco Tour Bite Rough strings Thanks for looking!
Mi nombre es Legna , ofrezco entrenamientos en varios deportes como Volleyball, natacion, tennis .... Toda mi vida ha estado vinculada al deporte, estudie mi pre universotario en la ESPA NACIONAL  de Cuba como atleta de windsurf hasta terminar mi licenciatura en Sociologia.  En estos momentos me encuentro desde hace mas de un año en Miami trabajando independiente como Fotografo ya que tambien me gradue en arte y fotografia(ISA) ademas trabajo como tennis coach con ninos de 4 a 7 años. Me encantaria dar clases de natacion y volleyball en mi tiempo libre... My name is Legna, I offer training in various sports such as V ... View Profile

A difficult shot in tennis is the return of an attempted lob over the backhand side of a player. When the contact point is higher than the reach of a two-handed backhand, most players will try to execute a high slice (under the ball or sideways). Fewer players attempt the backhand sky-hook or smash. Rarely, a player will go for a high topspin backhand, while themselves in the air. A successful execution of any of these alternatives requires balance and timing, with less margin of error than the lower contact point backhands, since this shot is a break in the regular pattern of play.
A match consists of a sequence of sets. The outcome is determined through a best of three or five sets system. On the professional circuit, men play best-of-five-set matches at all four Grand Slam tournaments, Davis Cup, and the final of the Olympic Games and best-of-three-set matches at all other tournaments, while women play best-of-three-set matches at all tournaments. The first player to win two sets in a best-of-three, or three sets in a best-of-five, wins the match.[56] Only in the final sets of matches at the Australian Open, the French Open, Wimbledon, the Olympic Games, Davis Cup (until 2015), and Fed Cup are tie-breaks not played. In these cases, sets are played indefinitely until one player has a two-game lead, leading to some remarkably long matches.
My name is Kingsley Johnson and I began playing tennis at 6. I have been teaching since I was 16 years old in Jamaica. I also played professionally for the Jamaica Davis Cup team from '95-2000 and the Orange Bowl in Miami in 1999. Since 2004, I've taught in Las Vegas, Massachusetts, and Hawaii. I enjoy introducing the fun of tennis to all levels and also helping students hone their skills so that they can take their game to the next level. Whether it is for just getting yourself out there to exercise or to win tournaments, I am the coach for you. ... View Profile
Post-tensioned concrete is reinforced with a grid of high-strength sheathed steel tendons, or cables. While the concrete is curing, the cables are tensioned in both directions and held permanently under stress by anchoring them in a perimeter beam. This squeezing action keeps the concrete in compression, improving its tensile (or bending) strength. The more the concrete is squeezed together, the less likely it is that shrinkage cracks will develop or open. (See a more complete description of post-tensioning from the Post-Tensioning Institute.)

By registering, you agree to: i) provide true, accurate and complete information about yourself as prompted by the registration form; and (ii) maintain and promptly update the Registration Data to keep it true, accurate, current and complete. You acknowledge and agree the USTA  shall have no liability associated with or arising from your failure to maintain accurate Registration Data, including but not limited to your failure to receive critical information about the site or any mobile service or your account. You further agree the USTA is authorized to verify such Registration Data.  The information we obtain through your use of this site, mobile site or any USTA or US Open app is subject to our Privacy Policy. Every subsequent USTA email communication will carry a simple opt-out or unsubscribe link at the bottom of the email. Any suspected abuse of your Registration Data should be reported to the USTA.   
Between 1859 and 1865 Harry Gem, a solicitor and his friend Augurio Perera developed a game that combined elements of racquets and the Basque ball game pelota, which they played on Perera's croquet lawn in Birmingham, England, United Kingdom.[10][11] In 1872, along with two local doctors, they founded the world's first tennis club on Avenue Road, Leamington Spa.[12] This is where "lawn tennis" is used as a name of activity by a club for the first time. After Leamington, the second club to take up the game of lawn tennis appears to have been the Edgbaston Archery and Croquet Society, also in Birmingham.
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