Kimiko Date Krumm, 40, has defeated 16-year-old Laura Robson 6-3, 6-3 in a match featuring a 24-year age difference in the first round of Osaka.

Last month, Date defeated the only teenager in the Top 50, 19-year-old Anastasia Pavlyuchenkova, and has wins over former No. 1s Maria Sharapova and Dinara Safina this season.