Cape Town - The Springboks have slipped a spot to FIFTH in the official World Rugby rankings.
The follows the past weekend's result at Twickenham where England thumped Ireland 57-15 in a Rugby World Cup warm-up match.
England, courtesy of winning by more than 15 points, moved above South Africa and Ireland into third after claiming 1.33 ratings points.
The Boks had overtaken England the previous week after a 24-18 win over Argentina in Pretoria, with England going down 13-6 to Wales in Cardiff.
Ireland had entered this past weekend's match in high spirits, knowing a win would see them reach to summit of the rankings for the first time ever.
Instead, they suffered their worst-ever defeat to England, conceding eight tries in the process.
Elsewhere, Scotland moved past France into seventh following their 17-14 win in Edinburgh.
Top 20 in the latest World Rugby rankings:
1. Wales 89.43
2. New Zealand 89.40
3. England 88.13
4. Ireland 87.36
5. South Africa 86.83
6. Australia 84.05
7. Scotland 79.87
8. France 79.72
9. Japan 77.21
10. Fiji 76.98
11. Argentina 76.29
12. Georgia 74.42
13. Italy 72.04
14. USA 71.93
15. Tonga 71.49
16. Samoa 69.08
17. Spain 68.15
18. Romania 66.69
19. Uruguay 65.18
20. Russia 64.81
Others:
23. Namibia 61.01
32. Zimbabwe 51.74
33. Kenya 51.44