Garcia was the only WTA Finals player to have beaten Swiatek this year, but the world number one swept her aside with an impressive display in one hour and 23 minutes.
Swiatek remains yet to lose a set at Fort Worth and will qualify for the semi-finals should Coco Gauff fail to beat Daria Kasatkina in two sets, or if Kasatkina wins.
Garcia managed the first break in the third game of the opener, but Swiatek broke back immediately before finding another at 4-3 up, kicking on from there to take the opening set.
The Pole was excellent in the second set, breaking Garcia twice to secure another victory and inch closer to the final four.
Swiatek gets some measure of revenge for the 6-1 1-6 6-4 defeat to Garcia at the Warsaw Open quarter-finals in July, her only loss on clay over the season.
A Kasatkina win against Gauff will see Swiatek advance as group winner, while a Gauff win in three sets will seal her progression but leave her position in the group undecided.
WINNERS/UNFORCED ERRORS
Swiatek – 17/8
Garcia – 16/14
ACES/DOUBLE FAULTS
Swiatek – 1/2
Garcia – 3/3
BREAK POINTS WON
Swiatek – 4/5
Garcia – 1/6
All aboard the Swiatek Express @iga_swiatek drops just 10
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Match 40 – November 6 2022, 05:30 AM
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