American Learner Tien kept the teenage revolution going at the Australian Open by reaching the last 16 on Saturday after 38-year-old Gael Monfils had made a statement for the older player with a stunning upset of fourth seed Taylor Fritz.

Gael Monfils shocks Taylor Fritz to reach last 16 at Australian Open - The 38-year-old defeated a top-five player at a grand slam for the first time since 2008.

It’s been 22 years since Andy Roddick brought the last men’s grand slam title home to the US, but Taylor Fritz’s countrymen think the world No.4 has a golden opportunity to snap that drought at Melbourne Park.