Learner Tien vs Frances Tiafoe

The market has already made up its mind on Learner Tien v Frances Tiafoe in the ATP Tour (Tue 18 Aug, 16:00): stripping bookmaker margin out of 14 price feeds gives Learner Tien 55% against 45% for Frances Tiafoe.

Fair odds on Learner Tien sit at 1.82; the best available price is 1.81 at Betfair; Frances Tiafoe pays up to 2.20 at Betfair. Average margin on this match is 5.9% — anything above fair value is worth taking, anything below it is paying the bookmaker's spread.

Watch the move on away: it opened at 1.07 and now trades at 2.20 (+105.6%). Line movement of this size usually means new information or heavy one-sided volume — check the odds table below before locking a price.