Andy Murray’s skill, tenacity and integrity made him one of the tennis greats

Following his defeat with partner Dan Evans in the Olympic men’s doubles quarter-finals, Andy Murray has retired from professional tennis after nearly two decades on the circuit. This ends a storied career in which he won three grand slam singles titles (including two Wimbledon championships), reached world number one, won back-to-back Olympic gold medals in singles, and led Great Britain to Davis Cup victory.

From his resumé, it might seem that Murray enjoyed unbridled success, but the first phase of his career...