RB Simpson of Australia has scored ten test hundreds in his career and all of them have been scored while leading Australia. He is the only captain in the annals of test cricket to score ten or more hundreds of his career of while leading a country

No	Captain	Runs	Opp	Ground	Mon/Yr
1	RB Simpson	311	v Eng	Manchester	Jul 1964
2	RB Simpson	153	v Pak	Karachi	Oct 1964
3	RB Simpson	115	v Pak	Karachi	Oct 1964
4	RB Simpson	201	v Win	Bridgetown	May 1965
5	RB Simpson	225	v Eng	Adelaide	Jan 1966
6	RB Simpson	153	v SAF	Cape Town	Dec 1966
7	RB Simpson	103	v Ind	Adelaide	Dec 1967
8	RB Simpson	109	v Ind	Melbourne	Dec 1967
9	RB Simpson	176	v Ind	Perth	Dec 1977
10	RB Simpson	100	v Ind	Adelaide	Jan 1978