However , with no success on the ATP circuit , it is quite unlikely that he will go ahead .
As for Mayer , he has been spending his time mainly on the Challenger circuit , where he recently won two back to back titles .
With no success on the ATP circuit , it is quite unlikely that he will go ahead .
As for Mayer , he has been spending his time mainly on the Challenger circuit , where he recently won two back to back titles .