Across 1,786 ranked games on patch 16.21 in Master and above, Jinx mains win 55.4% of their games in the bot lane.
Their most common build appears in 68.9% of those games and wins 55.7% of its 1,230 games.
It starts 
two Health Potions and 
Doran's Bow, completes 
Hexoptics C44, 
Runaan's Hurricane, 
Infinity Edge, 
Lord Dominik's Regards and 
Guardian Angel in that order, and takes 
Berserker's Greaves.
One other build is played often enough in the bot lane to be measured on its own.
In the bot lane, Jinx mains fare best against 
Miss Fortune (won 69.6% of 46 games), 
Ashe (won 72.4% of 29 games) and 
Kai'Sa (won 58.6% of 99 games).
Their hardest matchups, the champions that counter Jinx, are 
Smolder (won 27.3% of 11 games), 
Jhin (won 48.0% of 125 games) and 
Caitlyn (won 43.5% of 46 games).