Heather Watson wins the US Open girls' title

The 17-year-old went into the tournament seeded 11th and was pitted against a familiar face, Yana Buchina, in the final ... Photograph: Jason O'Brien/Action Images

... Buchina, who is Watson's doubles partner, raced to a 3-1 lead in the opening set, showing signs of the talent which helped her defeat Britain's Laura Robson in the semi-finals Photograph: Clive Brunskill/Getty Images

Watson came back to win the opening set 6-4 Photograph: Julian Finney/Getty Images

The players exchanged breaks early in the second set, before Watson raced to an emphatic 6-4, 6-1 victory Photograph: Jason O'Brien/Action Images

Watson celebrates her triumph ... Photograph: Julian Finney/Getty Images

... before getting her hands on the prize Photograph: Clive Brunskill/Getty Images

The youngster, who hails from Guernsey but trains in Florida, is congratulated by her mother Michelle. She later says of her achievement: "I still want to be able to play the junior grand slams next year because I really enjoy playing them but I'm going to start trying to climb the women's ladder now." Photograph: Clive Brunskill/Getty Images