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  2. Tennis scoring system - Wikipedia

    en.wikipedia.org/wiki/Tennis_scoring_system

    If the tiebreak score gets to 6–6, then whichever player to win the best of two points wins the set. [23] Unlike games, set scores are counted in the ordinary manner (1, 2, 3, etc.), except that the state of having won zero games is called "love". The score is called at the end of each game, with the leading player's score first (e.g.

  3. Intensity-duration-frequency curve - Wikipedia

    en.wikipedia.org/wiki/Intensity-duration...

    An intensity-duration-frequency curve (IDF curve) is a mathematical function that relates the intensity of an event (e.g. rainfall) with its duration and frequency of occurrence. [1] Frequency is the inverse of the probability of occurrence. These curves are commonly used in hydrology for flood forecasting and civil engineering for urban ...

  4. tf–idf - Wikipedia

    en.wikipedia.org/wiki/Tf–idf

    TF–PDF was introduced in 2001 in the context of identifying emerging topics in the media. The PDF component measures the difference of how often a term occurs in different domains. Another derivate is TF–IDuF. In TF–IDuF, [15] idf is not calculated based on the document corpus that is to be searched or recommended. Instead, idf is ...

  5. ATP 250 tournaments - Wikipedia

    en.wikipedia.org/wiki/ATP_250_tournaments

    The ATP 250 tournaments (previously known as the ATP World Tour 250 tournaments, ATP International Series, and ATP World Series) are the lowest tier of annual men's tennis tournaments on the main ATP Tour, after the four Grand Slam tournaments, ATP Finals, ATP Masters 1000 tournaments, and ATP 500 tournaments.

  6. ITF Men's World Tennis Tour - Wikipedia

    en.wikipedia.org/wiki/ITF_Men's_World_Tennis_Tour

    In 2019, reforms were made to the circuit, renaming it the ITF World Tennis Tour as a new umbrella name for former Pro Circuit and Junior Circuit tournaments and will serve as the player pathway between the junior game and the elite levels of professional tennis. The launch of the tour is the culmination of a series of ITF reforms designed to ...

  7. 2023 Italian Open – Men's singles - Wikipedia

    en.wikipedia.org/wiki/2023_Italian_Open_–_Men's...

    The following are the seeded players. Seedings are based on ATP rankings as of 8 May 2023. Rankings and points before are as of 8 May 2023. Because the men's tournament is being expanded to two weeks this year, players are defending points from the 2022 Italian Open, as well as tournaments that took place during the week of 16 May 2022 (Geneva and Lyon).

  8. 2024 Fairfield Challenger – Singles - Wikipedia

    en.wikipedia.org/wiki/2024_Fairfield_Challenger...

    This page was last edited on 1 February 2025, at 00:14 (UTC).; Text is available under the Creative Commons Attribution-ShareAlike 4.0 License; additional terms may apply.

  9. Madrid International - Wikipedia

    en.wikipedia.org/wiki/Puerta_de_Hierro_International

    This event was usually played in the Spring in April and by the earlier 1970s had the ATP Tour designation Madrid 1. [ 4 ] In 1973 a second Madrid International II was established that was initially played at the Real Sociedad Hípica Española Club de Campo in October annually. [ 5 ]