|Country (sports)||United States|
|Died||November 16, 1909
|Plays||Right-handed (one-handed backhand)|
|Highest ranking||No. 5 (1899 U.S. ranking)|
|Grand Slam Singles results|
|US Open||SF (1899, 1905)|
|Grand Slam Doubles results|
|US Open||F (1903, 1904)|
In 1903, he reached the doubles final with L. Harry Waidner at the U.S. National Championships (now known as the U.S. Open) which they lost to the English brothers Reginald and Lawrence Doherty in three close sets, 11–9, 12–10, 6–4. The following year, 1904, Collins again reached the doubles finals, this time partnered with Raymond Little and lost in five sets to Holcombe Ward and Beals Wright. In singles, he reached the semifinals twice, in 1899 and 1905, and the quarterfinals in 1902.
At the tournament now known at the Cincinnati Masters, the oldest tournament in the U.S. played in its original city, Collins won the singles title in 1903 and reached singles finals in 1901, 1902 and 1905. He also was a doubles finalist in 1901 and 1903 (both times with L. Harry Waidner), and a mixed doubles finalist in 1901 (with Carrie Neely).
He also won eight singles titles and four doubles titles at the Western Tennis Championship.
Collins has been inducted into the USTA/Midwest Hall of Fame.
He married Ruth Howells Coffin in 1898. In 1906, he went with the United States Davis Cup team to England, but did not compete due to trouble with his eyesight. By the next year, his poor eyesight had forced him completely out of competitive tennis. Collins died on 16 November 1909, after being struck by an electric street car in Chicago.
Grand Slam finals
|1903||U.S. Championships||L. Harry Waidner|| Reginald Doherty
|5–7, 3–6, 3–6|
|1904||U.S. Championships||Raymond Little|| Holcombe Ward
|6–1, 2–6, 6–3, 4–6, 1–6|
"KREIGH COLLINS KILLED Former Western Tennis Champion Run Down by Chicago Street Car" (pdf). New York Times. 1909-11-17. Retrieved 2008-01-10.