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.
2010 SA Tennis Open – Singles Jo-Wilfried Tsonga was the defending champion, but he resigned from the participation in this tournament due to tiredness caused by his performance at the 2010 Australian Open (he reached the semifinals, where he lost to Roger Federer).