Cornell University Athletics

Junior Season — 2012-13
Clark saw most of his competition in fall tournaments, when he went 11-4 in singles and 4-3 in doubles. He had a 10-match winning streak in singles, which included titles in the 'C' bracket of the Columbia Classic and the White bracket of the Cornell Fall Invitational on consecutive weekends. In doubles, he was 2-1 with sophomore Alex Sidney, advancing to the semifinals of the 'A' bracket of the Cornell Fall Invitational. ... Clark appeared in one dual match, handily winning his No. 5 singles matches against Colgate's Mark Pronchick, 6-2, 6-1, after teaming with Patrick Fiaux to win the No. 3 doubles match, 8-3.

Sophomore Season — 2011-12
Clark worked his way into four non-league matches in spring dual play, going 1-3 at No. 6 singles and a perfect 2-0 in No. 3 doubles playing alongside Sam Fleck. His singles victory over Illinois State's Muddappa Appanervanda was tight throughout, with the first two sets split in tiebreakers before Clark emerged with a 10-5 triumph in the decisive third set. In fall tournaments, Clark was 2-3 in singles and was 3-1 in doubles.

Freshman Season — 2010-11
Clark went undefeated during his rookie season, posting a record of 10-0 on the year. He was a perfect 7-0 in dual match play. Clark also saw limited time in doubles, finishing with a 5-2 mark overall and a record of 4-2 in the spring.

At Thomas Jefferson HS for Science and Technology
Clark was a four-year letterwinner at Thomas Jefferson HS for Science and Technology, serving as team co-captain as a senior. He was his team's MVP as a junior and as a senior and helped his squad to a regional championship both of those seasons. Clark also helped his squad to a runner-up finish in the state team tournament, as well as a runner-up finish in the state doubles tournament in 2010. He was the 2010 regional doubles champion. 

Personal
Spencer Koncius Clark is the son of Bill and Sigita Clark and he has a twin sister. He is enrolled in the College of Engineering.