Big help on her way to the 24th Grand Slam title is also Williams' coach, Patrick Mouratoglou. With Serena, they always discuss both physical and mental questions ahead of every tournament. Mouratoglou says not just the mental part is a problem but also physical. However, he thinks that she can win another Grand Slam title as she always sets the highest goals.

"Fitness, nevertheless, has been an issue. It took Serena a long time to get back in shape after giving birth. Breastfeeding contributed to the length of that process and it was many, many months before she was able to start practising the way that she needed to in order to get back in shape. She’s getting closer and closer to 100 per cent fitness, but I don’t think she’s there yet."

"People ask me if Serena can equal Court’s record. My response is that she doesn’t play to equal records. She plays to beat them. She never plays for a silver medal. She goes for gold – every time."

Will we do anything differently next year? We will have to consider that, because we haven’t had the results that we wanted this year. I will have to think what I should do differently – not so much in terms of preparation, because I feel that the level of her tennis has been excellent, but in terms of her mental approach.

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