Table 1. Match outcomes when the probability player A wins each set is 0.769. Category Observed Expected Obs-Exp Chi-Squared WWW 2330 2280.77 49.23 1.06 WWLW 503 559.24 -56.24 5.66 WLWW 487 559.24 -72.24 9.33 LWWW 609 559.24 49.76 4.43 WWLLW 151 154.09 -3.09 .06 WLWLW 135 154.09 -19.09 2.36 WLLWW 186 154.09 31.91 6.61 LWWLW 138 154.09 -16.09 1.68 LWLWW 156 154.09 1.91 .02 LLWWW 188 154.09 33.91 7.46 Total 4883 4883 .00 38.68