Tenafly is noted for its tennis team, which has been coached by Anthony Zorovich. The boys' tennis team won the Group I/II state championship in 1975 (vs. Princeton High School), and won four consecutive Group II titles in 2004 (vs. Haddonfield Memorial High School), 2005 (vs. Summit High School), 2006 (vs. West Essex High School) and 2007 (vs. Rumson-Fair Haven Regional High School). The 1975 team finished the season with a record of 17-1 after defeating Chatham Borough High School 5-0 in the semifinals and movibg on to defeat Princeton 3-1 in the finals win the Group I/II state title. The team won the 2006 Group II state championship, defeating Rumson-Fair Haven 3–2 in the semifinals and West Essex by 3–2 in the finals to take the title. In 2007, the team won the state sectionals defeating Dwight Morrow High School 5–0 to win the North I, Group II championship, the team's sixth consecutive sectional title. The team moved onto win the 2007 NJSIAA Group II state championship, defeating Rumson-Fair Haven 3–2 in the final match to earn their fourth consecutive Group II state championship. The 2019 team won the Group III title over West Windsor-Plainsboro High School North 4–1 in the tournament final.