Universal Tennis Rating

Universal Tennis Rating (UTR) is a global rating system that produces an objective, consistent, and accurate index of skill in the game of tennis. UTR rates all players on a single 16-point scale, without regard to age, gender, nationality, or locale of a given match. All professional players in the Association of Tennis Professionals (ATP) and the Women’s Tennis Association (WTA) have UTRs, as do all college players and many junior tournament players worldwide, as well as many adult league and tournament players. The UTR database, which has been compiled since 2004, includes results from more than 6 million matches and 202 countries. More than 600,000 players have UTRs.

Players, coaches, tournament directors, tennis clubs, tennis leagues, and national federations employ UTR in varied ways. These include selecting entrants for, and seeding, tournaments; recruiting players for college teams; scheduling competitive matches with other teams or individuals; finding appropriate local playing or training partners; choosing which tournaments to enter, and others. UTR is the official rating system of the Intercollegiate Tennis Association (ITA). In January 2018, the Tennis Channel announced its partnership with UTR, making the rating system part of the Tennis Channel's coverage of events.

Definition of Universal Tennis Rating

Universal Tennis Rating (UTR) is a worldwide system that produces reliable and accurate ratings of players' skill in the game of tennis. UTR rates all players—men, women, and children—on a single 16-point scale (with two decimal places, e.g., 11.29) that works for players globally, regardless of their skill level, from beginners up to top professional competitors.

UTR's algorithm computes ratings from two data points: the strength of the opponent (whose UTR is known) and the final score of the match in sets and games (not simply the won/lost result). The opponent’s UTR objectively pegs his or her competitive strength—hence, winning games and sets against higher-rated adversaries raises one’s UTR. Winning more games (e.g., losing a set by a smaller margin, or winning by a larger one) also augments one’s rating. The number of recent matches played also factors in to establish the reliability of a player's rating.

Ratings versus rankings

Although tennis is a global sport, it does not have a common international rating system. Tennis has nothing comparable to the handicap system in golf, for example, which enables all golfers to record their scores on specific courses, generating a handicap that is valid on any golf course in the world.

In tennis, the vast majority of competitive players enter events only in their geographical locale. Whatever ranking they earn has meaning only within that region or country. Worldwide, hundreds of national federations govern tennis, and multiple ranking systems frequently exist within a single nation. There may be as many as 2,700 different tennis ranking and rating systems around the world.

Furthermore, nearly all of these are ranking systems, not rating systems. Rankings sort players into a "pecking order," assigning each athlete a spot relative to all others ranked in that system. Rankings are ordinal numbers that reflect only the players’ relative positions, not their level of skill as measured by a standard yardstick.

UTRs, in contrast, evaluate each athlete with regard to a single metric. Tennis players' UTRs are therefore largely independent of each other, aside from the algorithm's weighing of the strength of opponents who compete directly with the rated player.

Nearly all tennis ranking systems use a "points per round" (PPR) method that assigns points depending on what round a player reaches in a given tournament, as well as the rated "strength" of that tournament in terms of the players it accepts into the main draw. This is administratively easy, but it does not consider the skill level of the individual opponents a player defeated to reach their final round of play. Paradoxically, the PPR method can create an incentive to seek out weaker tournaments, in which it will be easier to survive into later rounds.

The plethora of ranking systems and the lack of a shared metric has created a “Tower of Babel” in international tennis. National federations, tournaments, coaches, teams, colleges, and individual players speak different languages that do not readily translate into one another. Consequently, the International Tennis Federation (ITF) and many of tennis's national governing bodies, including the United States Tennis Association (USTA), have become interested in developing a standard rating method, a kind of "metric system" for tennis that, like a golf handicap, could function globally.

History of Universal Tennis Rating

UTR is a private company launched in 2006 by Virginia tennis professional Dave Howell to promote the rating system he developed and tested successfully in southeastern Virginia, beginning in 2004. Alex Cancado, a tennis player and web designer in the area, developed an algorithm to operationalize Howell’s rating system. Howell attracted some early followers as partners and began to concentrate full-time on developing the UTR.

In his coaching career, Howell had mentored junior players from the United States who entered French tournaments. Juniors in the U.S. compete under various ranking systems, including a widely used PPR system administered by the USTA. In contrast, France employs a national rating system based on head-to-head won/lost results. This enables French tournament directors to facilitate "level-based play" — orchestrating matches between players of comparable skill, often without regard to their age or gender. French tournaments often use staggered-entry draws that allow stronger players to enter a tournament in later rounds. This design enables a single event to embrace a wide range of skill levels, even from club players up to touring professionals.

Howell found that the French national rating system yielded events that were, overall, far more competitive than junior events in the U.S. To analyze why this was so, he defined a "competitive" match as one in which the losing player wins more than half the minimum number of games needed to win the match. In the common best 2-of-3 set format, that equals seven games, as the winner must take at least 12 games to capture the match. Hence, a result of 6-3, 6-4 or closer would reach the minimum "competitive threshold," as defined by UTR. After statistically analyzing thousands of USTA boys' and girls' junior tournament matches at all levels, he found that on average, only about one match in four (27 percent) was competitive; USTA national junior events reached the 40 percent level.

Howell modeled UTR on the French system, developing, with his colleagues, an algorithm that used as input head-to-head results with specific opponents, taking their rated skill levels into account. The designers also made UTR more precise than the French system by entering the number ofgames won in a match, not only the won/lost result. The use of Howell's rating system in Virginia produced junior tournaments with substantially more competitive matches—a rate that equalled the 50-60 percent level typically seen at the top tiers of college and professional tennis.

In 2006, Howell and his associates launched Universal Tennis Ratings to foster wider adoption of the UTR system throughout the tennis world.

Adoption and Usage of UTR

UTR gradually spread from Virginia to other tennis venues in the United States, particularly in junior events which, as noted, often include many non-competitive matches. The system also began to gain traction in college tennis, which has evolved into a thoroughly global sport. As there are so many ranking and rating systems in use worldwide, college coaches in the United States faced serious difficulties in evaluating the abilities of international recruits. By offering a standard, reliable index of skill applicable on a worldwide basis, UTR provided aa solution for this dilemma. Consequently, in recent years it has become college coaches' "gold standard" for assessing recruits, both internationally and domestically. UTR also helps recruits match themselves with appropriate college programs.

A leading proponent of UTR, Dave Fish, head men’s tennis coach at Harvard University, states that “The Universal Tennis Rating system is now being recognized by many college coaches as the best metric available for judging junior talent. While the recruiting benefits of UTR are evident for both coaches and recruits, the widespread use of the Universal Tennis approach to tournament play promises to transform the entire player development system of tennis in America.”

Since 2011, the Intercollegiate Tennis Association (ITA), the governing body for college tennis in the U.S., has worked closely with Universal Tennis and now relies on UTR data to determine event seeding at U.S. college invitationals, seeding and selection for its 51 ITA/Oracle Summer Circuit tournaments, and seeding and selection in the Oracle ITA Junior Masters events. In 2016, the ITA adopted UTR as the official rating system for college tennis events in the United States.

UTR also extended into the professional game, where all ATP and WTA players now have UTRs.

National federations have recognized the value of UTR for attracting players to tennis and for developing skill through competitive matches. Currently more than 40 national tennis federations have committed to submitting tournament results to UTR. These include the Lawn Tennis Association of Great Britain, Tennis Canada, Tennis Australia, the Brazilian Tennis Confederation, and the Bulgarian Tennis Federation.

In January 2018, the Tennis Channel announced its partnership with UTR, making the rating system part of the Tennis Channel's coverage of events. At the same time, UTR reported that several new investors had jointed the enterprise. These included Major League Baseball; the Los Angeles Dodgers investment group; sports investor Iconica Partners; Tennis Channel chair and CEO Ken Solomon; Oracle CEO Mark Hurd; Jan Leschly, former CEO of Smithkline Beecham and a former top-ten professional player; and Silver Lake Partners managing director and managing partner Ken Hao.

Concept of Universal Tennis Rating

Recreational tennis—friends hitting with each other or playing games—accounts for the majority of tennis. But at the competitive level, junior play in the United States and elsewhere sorts players into age groups. Typically, this means separate tournaments for players aged 12-and-under, 14-and-under, 16-and-under, and 18-and-under. Tournaments also separate boys and girls into separate draws. Adult events normally sort entrants by half-decades, using minimum instead of maximum ages (35-and-over, 40-and-over, etc.) Separating players into groups by age and gender does organize draws neatly, but inevitably groups competitors in ways unrelated to their levels of tennis skill.

Entry to, and seedings in, tournaments typically derive from players’ rankings. These in turn depend on points calculated from points amassed in previous tournaments, regardless of how close the match scores or the strength of opponents. The resulting ranking-based draws often pit top players against much lower-ranked athletes in the early rounds, frequently leading to one-sided matches.

In contrast, using UTR to design draws or flights consistently produces many more matches between athletes of roughly equal ability. Two players whose UTRs fall within 1.0 point of each other will have a competitive match the majority of the time. Furthermore, research has shown that when players'UTRs are more than 1.0 point apart, the lower-rated athlete will upset the higher-rated one in only 3 percent of the matches.

Close. competitive contests are widely recognized by coaches as the most powerful engine for developing skill in tennis. Both athletes gain from even matches. Non-competitive, one-sided matches, in contrast, typically discourage the loser and fail to challenge the winner, offering both players little opportunity to improve their skills.

The Universal Tennis Rating Scale

Universal Tennis Ratings are expressed as a number with up to 2 decimal points that falls between 0 and 16.49, e.g., 9.46. UTR's 16-point scale embraces everyone from beginners through intermediate recreational and competitive players to active tournament and college varsity athletes, and ranging up to the highest levels of the game at the top professional ranks.

For example, as of January 2018, Rafael Nadal of Spain held a UTR of 16.27 and Switzerland's Roger Federer was at 16.21. Simona Halep of Romania was rated at 13.26 and Serena Williams of the United States at 13.20. Turning to college players, NCAA Division I men generally fall between 12.0 and 15.0. NCAA Division I women typically hold UTRs between 9.0 and 12.0.

The vast majority of UTRs derive from sanctioned tournament results. Universal Tennis regularly takes in results from all ATP, WTA, and ITF Junior and Futures events; all sanctioned USTA junior events, and all ITA (Intercollegiate Tennis Association) and NCAA dual matches and tournaments. UTR also incorporates results from a growing number of national federations. UTR now updates and maintains ratings for more than 600,000 current competitors, and its database holds 6 million match results. To ensure verification, UTR only accepts match results that have been published on the internet.

Each participating player has a profile on the UTR website, with a singles and doubles rating based on up to 30 of the most recent matches played in a 12-month period. These profiles display match scores along with competitors’ names and ratings. The profile also includes the player’s hometown and, if applicable, any college team they currently play for. College teams themselves have profile pages of their own, listing their varsity athletes along with associated rating data.

In addition to including the percentage of matches that reached the competitive threshold, player profiles indicate the reliability of that rating. When a new player first appears in published and/or sanctioned tournament results, that player’s rating will have a low reliability percentage. Once the athlete has played eight or more matches against opponents with 100-percent reliable ratings, his/her own rating will be certified as 100 percent reliable.

References

• Sport Illustrated: Universal Tennis Rating is a new system for grading tennis players
• ITA: Frequently Asked Questions about UTR