 Wales have won 355 of their 690 Test matches for a 51 @.@ 45 % winning record . Their biggest Test defeat was 96 – 13 loss to South Africa in 1998 , and their largest victory a 98 – 0 defeat of Japan in 2004 . Their record for most tries in a match is 16 , scored against Portugal in 1994 – they also scored 102 points in this match , more than in any other Test . Wales ' record for consecutive Test wins is eleven , and for consecutive losses is ten . 
 Wales <a href='been_done' title='1'><mark>have</mark></a> won 355 of their 690 Test matches for a 51 @.@ 45 % winning record . Their biggest Test defeat was 96 – 13 loss to South Africa in 1998 , and their largest victory a 98 – 0 defeat of Japan in 2004 . Their record for most tries in a match <a href='drop_aux' title='2'><mark>is</mark></a>16 , scored against Portugal in 1994 – they also scored 102 points in this match , more than in any other Test . Wales <a href='null_genetive' title='3'><mark>'</mark></a>record for consecutive Test <a href='uninflect' title='4'><mark>wins</mark></a> <a href='drop_aux' title='5'><mark>is</mark></a>eleven , and for consecutive losses <a href='drop_aux' title='6'><mark>is</mark></a>ten . 
Wales done won 355 of their 690 Test matches fir a 51 @.@ 45 % winning record . Their biggest Test defeat was 96 – 13 loss to South Africa in 1998 , and their largest victory a 98 – 0 defeat of Japan in 2004 . Their record fa most tries in a match 16 , scored against Portugal in 1994 – they also scored 102 points in this match , more den in any other Test . Wales  record for consecutive Test win eleven , and ffaconsecutive losses ten .