Tiafoe, Kozlov, Ymer Dream of Next Gen ATP Finals Jan 05, 2017 Frances Tiafoe, Stefan Kozlov and Elias Ymer discuss the prospect of playing at the inaugural Next Gen ATP Finals in November. Tags: 2017 Elias Ymer Frances Tiafoe Milan Next Gen ATP Finals NextGen Stefan Kozlov Share 0 Share on Facebook Tweet Tweet on Twitter +1 +1 on Google Plus