I am wondering the same thing.
If somebody knows the reason please tell us.
I send today this message to ATP.
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To ATP organisation.
It's excellent that you have such kind of service for people around the world like Contact Us - feedback on your website. Sure many thousands have mailed their opinions and questions through this brilliant service.
...but it seems that this service is only for oneway traffic from us to you. Probably our opinnions and questions go straight to rubbish.
For example I have tried many times to ask something from ATP using Contact us feedback, but never got an answer.
If you however want to contact us=your customers so you can answer to this question.
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Waiting for the correction to the following error! (Nieminen vs Hewitt)
This rankingerror is still existing in this week ranking!
If the situation is not like written below - the ATP-rulebook doesn't tell the truth - and in this case please tell to the world and to me why!!
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In ATP rankings (2-Apr-07 and 9-Apr-07) is written that Jarkko Nieminen is #20 in ranking and Lleyton Hewitt #19.
That is wrong and must be otherwise!
They both have 1250 rankingpoints.
...and if two players are tied so ATP Official Rulebook says:
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"When two or more players have the same total number of points, ties shall be broken as follows:
(i) the most total points from the Grand Slams, ATP Masters Series Tournaments and Tennis Masters Cup, and if still tied, then,
(ii) the fewest events played, counting all missed Grand Slams, ATP Masters Series Tournaments and Tennis Masters Cup they could have played (as described under 1. above) as if played, and if still tied, then,
(iii) the highest number of points from one single Tournament, then, if needed, the second highest, and so on. "
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Jarkko Nieminen has these points 780
and Lleyton Hewitt only 765 points.
So Nieminen must be ATP19 and Hewitt ATP20.
Waiting ATP correct their error soon.