The two golfers have been going back and forth at the top of the ranking for the past month, with Rose having only just reclaimed the lead in last week's ranking, reports Efe.
Further down the rankings, US golfer Charles Howell III jumped three places to world No. 58 after winning the RSM Classic, ending a 11-year winless drought.
The current golf rankings and points are as follows:
1. Brooks Koepka (USA) 10.12 average points
2. Justin Rose (England) 9.91
3. Dustin Johnson (USA) 9.00
4. Justin Thomas (USA) 8.79
5. Bryson DeChambeau (USA) 7.24
6. Francesco Molinari (Italy) 6.50
7. Rory McIlroy (Northern Ireland) 6.49
8. Jon Rahm (Spain) 6.27
9. Rickie Fowler (USA) 5.82
10. Tommy Fleetwood (England) 5.79.
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