<p>Coco Gauff's hopes of launching another deep run at a Grand Slam ended in the first round at the US Open on Monday, with the US teenager succumbing in three sets to Latvia's Anastasija Sevastova.</p>.<p>Gauff, who created a sensation at Wimbledon last year when she became the youngest player in the tournament's history to qualify for the main draw before reaching the fourth round, was beaten 6-3, 5-7, 6-4.</p>.<p>The 16-year-old former junior world number one from Delray Beach had battled back to level the match against the 31st-seeded Sevastova after dropping the first set.</p>.<p>But after squaring the match by taking the final three games of the second set to win it 7-5, Gauff was soon scrambling to save the match in the third set.</p>.<p>Although Gauff saved three match points, Sevastova eventually closed out the win, converting her fourth match point.</p>.<p>It was a disappointing exit for Gauff, who backed up her fairytale Wimbledon campaign last year by reaching the third round at the US Open before another decent showing at the Australian Open in January, where she exited in the fourth round.</p>
<p>Coco Gauff's hopes of launching another deep run at a Grand Slam ended in the first round at the US Open on Monday, with the US teenager succumbing in three sets to Latvia's Anastasija Sevastova.</p>.<p>Gauff, who created a sensation at Wimbledon last year when she became the youngest player in the tournament's history to qualify for the main draw before reaching the fourth round, was beaten 6-3, 5-7, 6-4.</p>.<p>The 16-year-old former junior world number one from Delray Beach had battled back to level the match against the 31st-seeded Sevastova after dropping the first set.</p>.<p>But after squaring the match by taking the final three games of the second set to win it 7-5, Gauff was soon scrambling to save the match in the third set.</p>.<p>Although Gauff saved three match points, Sevastova eventually closed out the win, converting her fourth match point.</p>.<p>It was a disappointing exit for Gauff, who backed up her fairytale Wimbledon campaign last year by reaching the third round at the US Open before another decent showing at the Australian Open in January, where she exited in the fourth round.</p>