Year IX, Artícle1], No. 93

September 16, 2019

by Rubén A. Báez[2]

Full statistical report in pdf click here

General Performance Index©
(GPI: General Performance Index): "It is an index that measures the performance that a tennis player has had in a given period of time." This index, not shown here, is used to make the "General Performance Ranking© or GPI Ranking© ".

The following tournaments, which corre-spond to the month of August, have been included for the determination of the Top 30 of the General Performance Ranking©:

• Coupe Rogers – ATP Masters 1000 (hard).
• Western & Southern Open – ATP Mas-ters 1000 (hard).
• Winston-Salem – ATP 250 (hard).
• US Open – Grand Slam (hard).

The ATP Ranking of the players, which has been considered for this report, is on Sep-tember 9th, 2019.

The 137 players who have participated in those 4 tournaments and who compound the statistic sample that has been considered for the statistical calculations, we reiterate, only the 30 with the best performance are ex-posed in this report.

According to table 1, seven (7) Top 10 of the ATP Ranking appear in the Top 30 of the GPI Ranking©. These are, Novak Djokovic (1), Rafael Nadal (2), Roger Federer (3), Daniil Medvedev (4), Alexan-der Zverev (6), Karen Khachanov (9) and Roberto Bautista Agut (10). The absent in the Top 30 of the GPI Ranking© are the Top 10: Dominic Thiem (5), Stefanos Tsitsipas (7) and Kei Nishikori (8)

We highlight the August podium formed by Daniil Medvedev (RUS), Andrey Rublev (RUS) and Rafael Nadal (ESP), in positions 1, 2 and 3 of the GPI Ranking©, respective-ly.

Other prominent players in the TOP 10 of the GPI Ranking© are: Denis Shapovalov (CAN), Diego Schwartzman (ARG), Hubert Hurkacz (POL), Gael Monfils (FRA), David Goffin (BEL), Benoit Paire (FRA) and Richard Gasquet (FRA).

The outstanding player of August was the young Russian Daniil Medvedev, who dur-ing the month of August achieved three fi-nals, obtaining 1 title and two runners-up, namely: runner-up in the Coupe Rogers losing to Rafael Nadal 3-6, 0-6, champion at the Western & Southern Open (ATP Mas-ters 1000) beating Belgian David Goffin in the final by 7-6 (3), 6-4 and at the US Open was runner-up falling defeated by living leg-end Rafael Nadal in five sets, 5-7, 3-6, 7-5, 6-4 and 4-6 in 4 hours and 49 minutes, one of the most extensive finals in the history of the US Open.

Regardless of some picturesque situation at the US Open, Daniil Medvedev presents himself as a tennis player with a promising future in the professional circuit. His perfor-mance in the month of August is the equiva-lent of a titan, demonstrating that he has a mind capable of overcoming the fatigue and boos of the public, feeding himself, accord-ing to his comments, from the negative ener-gy of the public and transforming it into a positive energy food. He belongs to the new generation of players (NextGen) and I hope-fully he achieves the necessary regularity to remain in the Top 10 for many years.

On the other hand, about Rafael Nadal nothing to add more than everyone already knows about him. I have always maintained, since I started more than a decade ago with this website that, Federer, Djokovic and Nadal, have some combination in their DNA that the rest of the players do not have it and makes them different, although someone does not like this comment or comparison, but the facts are there. The three have won 55 Grand Slams (Roger 20, Rafa 19 and Novak 16), the most demanding tourna-ments, not counting the large number of ATP Masters 1000. This closes the mouth to any-one. All three are fantastic, the best of tennis in the last 100 years.

Next, the tables with their respective perfor-mance rankings or GPI Ranking© are ex-posed as is usual, in each analyzed aspect of the 30 players that achieved the highest per-formances during the analysis period.

Remember, each table presented here has its own GPI Ranking©, which they are com-bined together and gives as output the Table 1.

Full statistical report in pdf click here

[1] Report elaboration based on data from official Websites:

[2] National Tennis Coach (Argentine Tennis Association), Bachelor of Business Administration, Certified Public Accountant, Post grades of Finance Management and Capital Markets, Master of Business Administration (IAE Business School, Austral University, Buenos Aires, Argentina).





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