If he can finish it in two, why would he even drop the first? He might be doing a bit of mental training like Lin Dan, where Lin Dan lets his opponents get to 20. But he seems to have dropped both deuces against HKV and LDR.
There was a intriguing rally just now where WSX won by a smash down the line, rare but beautiful. WSX's style of play requires a lot of running, her stamina has got to be superb to outlast her opponent(s), very tiring,strenuous. It was a grueling match for both ladies.