Coco Gauff advanced to the US Open's round of 16 after defeating Magdalena Frech in straight sets on Saturday.
The American was not at her best but cruised through in the end to the fourth round.
It marks the fourth successive year that Gauff has progressed to the tournament's fourth round.
The former champion demonstrated marked improvement in her serving performance, committing just four double faults during the match.
Coco Gauff advanced to the US Open's round of 16 after defeating Magdalena Frech in straight sets on Saturday
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Her serving statistics have shown steady progress throughout the tournament, down from 10 double faults in her opening match and eight in the second round.
The victory sets up a fourth-round encounter against either Naomi Osaka or Daria Kasatkina.
The world No3 showcased her versatility with an impressive forehand slice winner that drew enthusiastic applause from the crowd.
Coco Gauff will face either Naomi Osaka or Daria Kasatkina in the next round
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She maintained control throughout, eventually earning three break opportunities on Frech's serve to close out the match.
Though the Polish player defended the first break point, Gauff converted the second to seal the victory.
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The American was not at her best but still cruised to a straight sets victory
|REUTERS
The performance represented a significant improvement from Thursday evening's match, when Gauff had visibly struggled with nerves during changeovers whilst battling serving difficulties.
Despite not reaching peak form, she conceded merely four games throughout the encounter.
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Following her victory, Gauff reflected on the challenging nature of the week: "It has been an emotional week. I think I needed those tough moments to be able to move forward.
"I put so much pressure on myself but I'm really out here just trying to enjoy it and not focus so much on results but the process.
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"The support means a lot. Truly I can't put into words how privileged I feel to walk on this court and have the support of all of you guys.
"I thought today I played well. Overall I'm really happy with how I played and to be through to the next round."
"I just hope that I repay the feeling to those around as well," she added, acknowledging both the courtside atmosphere and social media encouragement."
Gauff's tournament progression has been notable, having dropped just a single set across her three matches. Her serving troubles, which plagued her earlier rounds, appear to be gradually resolving.