Novak Djokovic is one win away from going through the Asian swing undefeated. Standing in his way of both that feat and the Shanghai title on Sunday is Jo-Wilfried Tsonga. Djokovic crushed Andy Murray in the semis, while Tsonga outlasted Rafael Nadal.

Novak Djokovic and Jo-Wilfried Tsonga will be squaring off for the 20th time in their careers when they collide in the final of the Shanghai Rolex Masters on Sunday.

Djokovic leads the head-to-head series 13-6, but Tsonga is 6-7 lifetime against the Serb on hard courts and 6-6 in hard-court matches that did not end in retirement. While all of those numbers are encouraging for the underdog, this one is not: Djokovic has won 11 of the last 12 at Tsonga’s expense after once trailing the series 5-2. Tsonga finally ended an 11-match losing skid by rolling over Djokovic–and everyone else–6-2, 6-2 en route to the Rogers Cup title last…