What nationality was the defending champion at the 2007 Sunfeast Open – Singles ?
Martina Hingis Martina Hingis (born 30 September 1980) is a Swiss professional tennis player, a former world No. 1 singles player and currently ranked world No. 2 in doubles by the WTA. She has spent a total of 209 weeks as the singles No. 1 and has won five Grand Slam singles titles, thirteen Grand Slam women's doubles titles, winning a calendar-year doubles Grand Slam in 1998, and seven Grand Slam mixed doubles titles; for a combined total of twenty-five major titles. In addition, she has won the season-ending WTA Championships two times in singles and three times in doubles, and an Olympic silver medal.
2007 Qatar Telecom German Open – Singles 12th seeded Serbian Ana Ivanovic was the champion, after edging 3rd seeded Russian Svetlana Kuznetsova in a thrilling last set tie-break in the finals.