| Five-times Grand Slam champion Sharapova, who 
				won at Flushing Meadows in 2006, struggled with her serve at 
				times in the opening set but Schnyder failed to take full 
				advantage.
 The Swiss retired from tennis after being beaten in the first 
				round of the French Open in 2011 but returned in 2015 and last 
				week became the oldest woman qualifier to reach the main draw of 
				a Grand Slam at the age of 39 years and eight months.
 
 She was handed an early break by Sharapova after the Russian 
				made three double faults in her opening service game, but double 
				faulted on break point on her own serve to hand the initiative 
				straight back.
 
 With the first four service games all broken, Sharapova held for 
				the first time to take a 3-2 lead and, having got her nose in 
				front, found both her rhythm and serve and began dictating play 
				from the baseline.
 
 The 22nd seed wrapped up the first set in 40 minutes and was 
				leading 5-1 in the second before Schnyder embarked on a 
				remarkable rally.
 
 Schnyder started to take the pace off the ball to gain a greater 
				degree of control and the approach paid dividends as Sharapova's 
				error count mounted.
 
 The Russian, who hit 22 winners but made 46 unforced errors, 
				needed four match points to end Schnyder's resistance as the 
				match went to a tiebreak, eventually sealing victory with a 
				powerful forehand winner.
 
 "I started making a lot of mistakes," Sharapova said. "She 
				became really consistent. I think I just really wanted to finish 
				it off and was just giving her a lot of free looks.
 
 "I still have a lot of things to work on."
 
 Sharapova next faces Romanian Sorana Cirstea, who she expects to 
				come hard and fast at her.
 
 "She's someone that plays extremely aggressive," Sharapova said. 
				"Sometimes you don't really know what you're going to get in a 
				matchup like that.
 
 "But for me I think just stepping away from who I'm playing, 
				zoning in on what I need to improve on, that will be my focus. 
				There's quite a few things."
 
 (Editing by Peter Rutherford)
 
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