Complex sentence: While competing at the his hometown tournament, the 2013 Brisbane International, Millman received an immense amount of support at every match he competed in which led to Millman revealing his supporters had developed a reputation in the locker room.
Split into simpler sentences: While competing at the his hometown tournament, the 2013 Brisbane International, Millman received an immense amount of support at every match he competed in. It was later revealed his supporters had developed a reputation in the locker room.