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The Association of Tennis Professionals (ATP) is the governing body of the men's professional tennis circuits – the ATP Tour and the ATP Challenger Tour.It was formed in September 1972 by Donald Dell, Jack Kramer, and Cliff Drysdale to protect the interests of professional tennis players, and Drysdale became the first president.
(1970–present) This is a combination of the YECs (Year-end Championships) for two separate tours: the ITF Grand Prix that ran until 1989 and the ATP Tour that replaced it. For record-keeping purposes, the ATP has incorporated the entire history of the ITF "Masters Grand Prix" alongside its ATP Finals tournament; thus they are both listed as ...
The ATP Race is an annual performance-based points race to determine the qualifiers for the year-end championship, in addition to the year-end No. 1 singles player and doubles team. The race, initially called the "ATP Champions Race", was introduced by the ATP for the 2000 season as part of their "21st Century Tennis" strategy announced in 1999 ...
List of current and past men's and women's tennis tournaments.. Criteria for inclusion: The tournament is notable enough to have its own article on Wikipedia; Historic tournaments are included if notability can be established by reliable third-party sources (references needed)
ATP is quantified by measuring the light produced through its reaction with the naturally occurring firefly enzyme luciferase using a luminometer. The amount of light produced is directly proportional to the amount of ATP present in the sample. ATP tests can be used to: Control biological treatment reactors; Guide biocide dosing programs
The ATP generated in this process is made by substrate-level phosphorylation, which does not require oxygen. Fermentation is less efficient at using the energy from glucose: only 2 ATP are produced per glucose, compared to the 38 ATP per glucose nominally produced by aerobic respiration. Glycolytic ATP, however, is produced more quickly.
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The ATP Tour is the modern top-level men's professional tennis circuit. It was introduced in 1990 and it's administered by the Association of Tennis Professionals (ATP). All the records listed here are only for the players who played most of their careers on the ATP Tour and they're based on official ATP data. [1]