Andy Murray is a player who has not been afraid to show emotion and cry on a tennis court before, but they have always been tears of joy shared with fans.
Today, in Melbourne, his tears demoted a far more sombre occasion, and one that all tennis fans have probably been fearing.
The former world number one broke down as he revealed the true extend of his hip injury and his failed attempts to beat it, leading to a heartbreaking announcement.
Make no mistake about it: if is a difficult and heart-wrenching watch.
Whether it constitutes an official retirement announcement, we probably don’t know yet. Murray has always put on a very optimistic and positive public face before.
However, it is an video that is sure to leave its mark on tennis.
Coach talks candidly about US legend.
US Open champion looking tough to stop again.
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Here is our pictorial from day nine.
Rafael Nadal already looking ahead to semis.
Czech in no mood to party.
Are we seeing the sparks of a legendary rivalry?
What next for Greek sensation?
A week is a long time in tennis…
Unseeded American marches on.