Yani Tseng with Trueplane inventor Roger Brooks after Yani's win in the 2010 Women's British Open at Royal Birkdale. Yani won 2 Majors in 2010 and another 2 Majors in 2011. She is now world no. 1. She puts some of her success down to Trueplane: "Using Trueplane has improved my putting stroke" she says.