The number two seed saw off Anastasija Sevastova 6-3 6-3 in Beijing to win the tournament for the second time.
Wozniacki was cruising as she won four of the last five games in the first set and then went 4-1 up in the second.
Kenin and Garcia deserve respect for finding strength to split from father-coaches
Sevastova did her best to slow the charge, breaking back once and then forcing another three break points in the eighth game before succumbing.
The Latvian, seeking what would have been the biggest title of her career, was ultimately her own worst enemy though, committing 35 unforced errors, 21 of them in the second set.
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