[['tournament', '2008', '2009', '2010', '2011', '2012', 'win %'], ['grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments', 'grand slam tournaments'], ['australian open', 'a', '1r', 'a', '3r', 'qf', '69.23'], ['french open', 'q2', 'a', '2r', '2r', 'a', '62.50'], ['wimbledon', '1r', 'a', '1r', '1r', '3r', '44.44'], ['us open', '4r', 'a', '3r', '1r', '3r', '63.64'], ['win - loss', '3 - 2', '0 - 1', '3 - 3', '3 - 4', '8 - 3', '60.98'], ['olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games', 'olympic games'], ['summer olympics', '1r', 'not held', 'not held', 'not held', 'qf', '60.00'], ['atp world tour masters 1000', 'atp world tour masters 1000', 'atp world tour masters 1000', 'atp world tour masters 1000', 'atp world tour masters 1000', 'atp world tour masters 1000', 'atp world tour masters 1000'], ['indian wells', '1r', '1r', 'a', '1r', '2r', '37.50'], ['miami', '1r', 'a', 'a', '2r', '4r', '63.63'], ['monte carlo', 'a', 'a', 'a', 'a', '3r', '66.66'], ['madrid', 'a', 'a', 'a', '1r', 'a', '66.66'], ['rome', 'a', 'a', 'a', 'q2', 'a', '50.00'], ['canada', 'a', 'a', 'a', 'a', '2r', '60.00'], ['cincinnati', 'a', 'a', 'a', '1r', '3r', '40.00'], ['shanghai', 'nm1', 'a', 'lq', 'sf', '2r', '72.73'], ['paris', 'a', 'a', 'a', '1r', '3r', '50.00'], ['win - loss', '0 - 2', '0 - 1', '0 - 0', '5 - 6', '8 - 6', '52.17'], ['career statistics', 'career statistics', 'career statistics', 'career statistics', 'career statistics', 'career statistics', 'career statistics'], ['titles - finals', '1 - 1', '0 - 0', '0 - 0', '0 - 2', '1 - 1', '60.00'], ['year end ranking', '63', '418', '98', '25', '19', '3339891']]
Kei Nishikori 's Win percentage was 50% or lower 4 time at Grand Slam event between 2008 and 2012
[ENT] 's [ENT] percentage was 50% or lower 4 time at [ENT] event between [ENT] and [ENT]