Heather Watson breaks into world's top 50.

Heather Watson
© PA Photos
Great Britain's Heather Watson moves into the top 50 of the WTA rankings for the first time in her career.

Heather Watson has moved into the top 50 of the WTA rankings after she won the Japan Open on Sunday.

Watson has risen 21 places after her triumph in Osaka, and the 20-year-old has admitted that moving into the top 50 of the world rankings was one of her goals for the season.

She told BBC Radio 5 Live: "The top 50 was a goal - it will push me to make harder goals.

"I really wanted to do well this week so I could earn my rest next week because this is my last tournament of the year. I don't think I could have ended it any better.

"I'm excited to have a break but I am looking forward to working hard again because it motivates me to achieve more."

Watson's win in Asia also saw her become British number one ahead of Laura Robson.

Heather Watson
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2Spain Rafael Nadal7,555
3Switzerland Roger Federer7,145
4Switzerland Stanislas Wawrinka5,780
5Serbia Novak Djokovic5,325
6Croatia Marin Cilic5,155
7Alexander Zverev4,470
8Austria Dominic Thiem4,030
9Japan Kei Nishikori3,285
10Canada Milos Raonic3,230
11Bulgaria Grigor Dimitrov3,070
12France Jo-Wilfried Tsonga2,770
13Belgium David Goffin2,560
14Spain Roberto Bautista Agut2,425
15Czech Republic Tomas Berdych2,390
16United States Jack Sock2,335
17Pablo Carreno Busta2,305
18Lucas Pouille2,220
19United States John Isner2,110
20United States Sam Querrey2,060