Wales have an impressive recent record against South Africa, but they have not beaten the Springboks in a Rugby World Cup match.
South Africa stand in the way of Wales and a first Rugby World Cup final appearance when they do battle in Yokohama on Sunday.
Wales have twice suffered the agony of a semi-final defeat, losing to New Zealand in 1987 and France in 2011.
South Africa won both of their previous World Cup encounters with Wales and have looked ominous in Japan as they attempt to lift the Webb Ellis Cup for a third time.
We pick out some Key Opta facts ahead of the second semi-final as the Six Nations champions and Rugby Championship winners eye a showdown with England or the All Blacks.
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5 - Wales have won five of their last six Tests against South Africa, coming out on top in the last four meetings.
3 - South Africa have conceded just three tries in five games during the tournament - two of which came in their defeat to New Zealand.
12 - Wales have conceded more tries (12) in the World Cup than their previous two campaigns combined (10).
30 - The Springboks have scored more tries (30) and points (211) than any other side in the tournament.
86 - Dan Biggar needs 14 points to become the first Wales player to score 100 World Cup points. Neil Jenkins leads the way with 98 and Stephen Jones notched 95.
32 - South Africa have won 32 of 34 World Cup games in which they have led at half-time
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