Janice Tjen vs Mirra Andreeva

The market has already made up its mind on Janice Tjen v Mirra Andreeva in the WTA Tour (Tue, Aug 18, 08:00 AM): stripping bookmaker margin out of 4 price feeds gives Mirra Andreeva 79% against 21% for Janice Tjen.

Fair odds on Mirra Andreeva sit at 1.27; the best available price is 1.21 at DraftKings; Janice Tjen pays up to 4.65 at FanDuel. Average margin on this match is 5.1% — anything above fair value is worth taking, anything below it is paying the bookmaker's spread.