Lock's win continues strong fall season for the redshirt junior
Win is the first for a Seminole duo in the three-year history of USTA Clay Court Invitational
Lock and Nunez, Gracia and Gonzalez Mendez look for first FSU doubles win at Clay Court Invitational
Two doubles squads will play in Saturday's semifinals
No. 1 doubles seed of Lock and Nunez win first round match on ESPN3
Third-year event has attracted top teams, players from around country; will air on ESPN3.
The senior won both singles matches to advance to Sunday's quarterfinals.
Four ‘Noles combine for 7-1 record on the day, perfect 4-0 in singles.
Lock and Nunez seeded No. 1 in doubles draw, look to defend 2013 title.
Brothers Terrance and Terrell Whitehurst will be eligible in the spring.
Lock, Nunez drop three-set heartbreaker to USC.
Victory is the 'Noles highest-ranked doubles victory since 2013.