Stone's most frequent opponents were Fred Kay and Tommy Uren, whom he met a total of 19 times in Australia.

On August 18, 1909, only three years into his career, Stone fought a competitive, ten round no title and no decision bout in Saratoga, New York, against the reigning world featherweight champion, Abe Attell.
 Attell was arguably the greatest Jewish featherweight of the era, and credited with holding the world featherweight championship for eight years at the turn of the century.
 Attell won by the accounts of most newspapers, but the San Francisco Call, said Stone showed promise and "came with a rush that earned him a draw".
In his last few years as a boxer, Attell would tarnish a great career arousing suspicions of fixing fights, and playing a part in the fixing of the 1919 World Series with the Chicago White Sox.
Stone's most frequent opponents were Fred Kay and Tommy Uren, whom he met a total of 19 times in Australia.
On August 18, 1909, only three years into his career, Stone fought a competitive, ten round no title and no decision bout in Saratoga, New York, against the reigning world featherweight champion, Abe Attell.  Attell was arguably the greatest Jewish featherweight of the era, and credited with holding the world featherweight championship for eight years at the turn of the century.  Attell won by the accounts of most newspapers, but the San Francisco Call, said Stone showed promise and "came with a rush that earned him a draw". In his last few years as a boxer, Attell would tarnish a great career arousing suspicions of fixing fights, and playing a part in the fixing of the 1919 World Series with the Chicago White Sox.
Harry Stone (boxer)