In 2015, Dewi played in 8 LET tournaments and secured her best finish of the season at the Lacoste Ladies Open de France, where she came T11.
In 2014, Dewi played in 6 LET tournaments and her highlight of the season came at The Helsingborg Open, which she won. She shot 4 impressive rounds recording scores of 67, 70, 68 and 66.
In 2013, Dewi played in 6 events and made five cuts with her best result 7th at the Mission Hills World Ladies Championship in China. She also played in the United States for much of the season.
In 2012, Dewi-Claire played in 8 LET events and posted 3 top 10 finishes including a career best result of 2nd at the Omega Dubai Ladies Masters, where she shot a new tournament record 63 (-9) during the third round at Emirates Golf Club. Season’s earnings: €86,140.63 (24).
In 2011, Dewi-Claire played in 10 events with a season best finish tie for 11th at the Ricoh Women’s British Open. She also played in 15 events on the LPGA and ended ranked 62nd with a season’s earnings of $136,140.00.
In 2010, Dewi-Claire played in 7 events with a season best finish tie for 5th at the Suzhou Taihu Ladies Open. She finished 77th on the Henderson Money List with season earnings of €21,573.00.
Dewi-Claire turned professional in October 2008 and spent the 2009 season competing on the Duramed Futures Tour in the United States, where she won the ING New England Golf Classic, and finished in the top-10 four additional times. She finished 10th on the Duramed FUTURES Tour season-ending money list to earn membership for the 2010 LPGA season.