Pro Evolution Soccer 2010
29 Achievements
91-111h
PS3
High Win Ratio(Online)
Awarded when you achieve a win ratio of above 75% in Last 20 results of Online.
2.2%
How to unlock the High Win Ratio(Online) achievement in Pro Evolution Soccer 2010 - Definitive Guide
Rambo313
To get this and "Winning Streak(Online)" trophy, you'll need a boosting partner, after that, Go to 'Online' then you'll need to win 5 then lose 5, then tell your boosting partner to use a different account, then you win 10 more matches, then rinse and repeat the same to your partner.