Two issue set: NEW YORK TIMES, Oct. 31, 1865 and HARPER'S WEEKLY, November 18, 1865  Page 5 has: "The Great Base Ball Match The Atlantics Against the Athletics--The Atlantics the Victors". Details from the one paragraph summary include: The Atlantics made eleven fly-catches and two home runs, and the Athletics eight fly-catches and one home run. The Atlantics were skunked once, and the Athletics four times. Mentions there was an immense crowd, that the weather was pleasant, and the game lasted 3 1/2 hours. This includes the box score. Other news of the day and advertisements are within.
The Harper's Weekly issue contains a half-page illustration entitled "Base-Ball Match Between the 'Athletics', of Philadelphia, PA., and the 'Atlantics' of Brooklyn, N.Y., Played at Philadelphia, October 30, 1865". This also contains a short article where it state "...The two clubs engaged in the contest are considered the best in the country...". Other illustrations, articles and advertisements are within.
The New York Times is complete in 8 pages and is in very nice condition. The Harper's Weekly is complete in 16 pages and is also in very nice condition.