The varsity tennis team opened its ICITI, competition and protected its undefeated record by scoring a 7-2 win over Navy yesterday. The squad which has previously triumphed over M.I.T. and Amherst will attempt to inflict a simila, defeat on Columbia today.

Harvard won all of the doubles matches and all but two of the singles contests to secure the victory. In the number one singles match. Bob Bowditch defeated Navy's Moore 6-1, 7-9, 6-4. Doug Walter of Harvard downed Fluegel in two closely fought sots, 10-2, 6-4.

Crimson captain Pete Smith overcame Pekary in a beat two out-of-three victory, 6-4, 6-2, 6-3, while Gary Adolman sunk Midshipman Karabasz 6-4, 6-3.

Navy's Fox overcame Paul Sullivan, 6-4, 6-1, for one of the Navy's two lone victories. The other was Quinn's 6-3, 8-6 win over the Crimson's Keith Martin.

In the doubles contests. Bowditch and Sullivan overcame Moore and Fox, 6-1, 6-3, while the Navy's Fluegel and Pekary put up little more resistance to the team of Smith and Adelman, which won 6-3, 6-4.

In the last doubles match, the Harvard contingent of Walter and Martin easily downed Quinn and Karabasz, 6-1, in the first set, but the Navy unit hung on longer in the second, only to eventually lose it, 8-6.

The four unofficial singles matches played by the reserve players were split between the two teams, each squad winning two of them.