Andy Murray had been very keen to retain the services of Amelie Mauresmo but was adamant she would need to commit to at least 20 weeks of the year - so it is a huge boost she has signed up just four months after becoming a mother.
Murray still has a huge amount of time for Jonas Bjorkman but the relationship was not an unqualified success.
Murray won the Masters event in Montreal after Mauresmo went on maternity leave, but was beaten in the fourth round of the US Open and his on court demeanour has at times been unduly negative.
The new assistant coaching role may end up as a full-time position - in the way Dani Vallverdu complemented Ivan Lendl so well.