1917usnationalchampionshipstennis

en.wikipedia.org/wiki/West_Side_Tennis_Club en.wikipedia.org/wiki/1917_U.S._National_Championships_(tennis)

The West Side Club in Forest Hills was the scene of a tennis tournament in August 1917, s. Evening star., August 21, 1917, Image 13, col. 3 chroniclingamerica.loc.gov/lccn/sn83045462/1917-08-21/ed-...

Might be the same building (with alterations) as in 2010 at www.worldtennismagazine.com/archives/3387 Mock tudor half-timbering is just visible in the Bain photo.

www.nydailynews.com/new-york/queens/elite-tennis-returns-... shows this building in a 1915 view.

Paul Alexander Wolf (1868-1954) A 1920 biographical sketch: "Paul Alexander Wolf commander of the Sixty sixth Infantry Brigade is a native of the state whose soldiers he led in France He was born in Kewanee Illinois December 23 1868 and was appointed to West Point from Princeton Illinois in 1886 Following his graduation General Wolf then a second lieutenant served with the Third Infantry in the winter of 1890 91 in the last important Indian campaign that against the Sioux in South Dakota He served in Cuba in the Spanish American War and in the Philippines from 1899 to 1902 being on the staff of General Frederick Funston during a part of the time He served in the Philippines again from 1903 to 1905 taking active part in the third Moro campaign on the staff of Major General Leonard Wood In 1913 and 1914 he was on the Mexican border and in April of the latter year he went to Vera Cruz Mexico where he served as chief of public works during the seven months of American occupation General Wolf was made a lieutenant colonel in 1916 and a colonel in the National Army in August 191 7 He commanded the two officers training camps at Plattsburg New York from May 1 to December 22 191 7 and commissioned 8,000 officers from these camps He was promoted to the rank of brigadier general in February 1918 and assigned to command the Sixty sixth Infantry Brigade of the Thirty third Division General Wolf led this brigade through the fighting in France and until its return to the United States in May 1919 He remained in France to serve as captain of the AEF rifle team which won first place in the inter allied competition at Le Mans in July 1919 General Wolf's services were recognized by the United States government by the award of the Distinguished Service Medal He received also the decorations of Officer of the Legion of Honor and the Croix de Guerre with Palm from the French and Companion of the Bath from the British " books.google.com/books?id=geALAAAAYAAJ&pg=PA173&l... www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=131763307

In August 1917 he served as a linesman in a tennis match between Mary Browne and Molla Bjurstedt at Forest Hills (M. Bjurstedt won the match). Evening star., August 21, 1917, Image 13, col. 3 chroniclingamerica.loc.gov/lccn/sn83045462/1917-08-21/ed-... Mary Browne: www.flickr.com/photos/library_of_congress/21517632679/

The bare frame for an awning at the left above him matches the photo of the Forest Hills building.
So this was probably taken there.

agree, and:

Charles Stedman "Chuck" Garland (October 29, 1898 – January 28, 1971) was an American tennis player who won the 1920 Wimbledon men's doubles title with Richard Norris Williams. His highest U.S. singles ranking was No. 8. He was inducted into the International Tennis Hall of Fame in 1969. en.wikipedia.org/wiki/Chuck_Garland

Thanks RN, we'll add to the record.