If Johnson advances to his first career ATP Masters 1000 quarter - final , he will become the top American in the Emirates ATP Rankings on Monday .
Tsonga is looking to reach his third ATP Masters 1000 of the season and sixth overall in 2016 .
If Johnson advances to his first career ATP Masters 1000 quarter - final , Tsonga will become the top American in the Emirates ATP Rankings on Monday .
Tsonga is looking to reach his third ATP Masters 1000 of the season and sixth overall in 2016 .