JASMINE Yeong-Nathan's good form at the 44th QubicaAMF Bowling World Cup showed no signs of relenting as she stretched her lead at the top after the third block of qualifying on Tuesday.

The 20-year-old national kegler scorched the lanes at Bol 300 in Hermosillo, Mexico, with a six-game total of 1394 ? an average of 233 pinfalls, to bring her total to 4210.

Yeong-Nathan now boasts a commanding lead over the 65-strong women's field.

Her closest rival Ann Maree Putney, the defending champion from Australia, trails by 197 pinfalls.