She plans to play all five tournaments with Hantuchova , a friend and tour veteran from Slovakia , where Hingis was born .
Hingis has committed to four events after Carlsbad : in Toronto ; in Mason , Ohio ; in New Haven ; and the United States Open .
Hingis plans to play all five tournaments with Hantuchova , a friend and tour veteran from Slovakia , where Hingis was born .
Hingis has committed to four events after Carlsbad : in Toronto ; in Mason , Ohio ; in New Haven ; and the United States Open .