When I piped up a few days ago claiming to be a fairly knowledgeable Marat Safin fan, being asked to write up an entry for TW on Marat's chances at the US Open was the last thing I expected.

Andrey Rublev hopes his coaching partnership with Marat Safin will last a long time - but it depends if the tennis icon will "enjoy it or suffer". The world number nine has teamed up with his ...