Querrey to face promising teen in quarterfinals

   SACRAMENTO, Calif. -- If all goes according to plan, Jared Donaldson someday will reach Sam Querrey's level and perhaps even surpass him.
   The Americans will meet for the first time today at about 3 p.m. in the quarterfinals of the $100,000 Sacramento Pro Circuit Challenger at the Natomas Racquet Club.
   In fact, seven of the eight quarterfinalists are American. The other is Australian John Millman, the 2010 Sacramento champion.
   The top-seeded Querrey, a U.S. Davis Cup veteran who reached No. 17 in the world in 2011, defeated wild card Daniel Nguyen 6-3, 7-6 (3). Donaldson, 17, beat Luca Vanni of Italy 7-6 (3), 7-6 (5).
   Another top American prospect, 16-year-old Stefan Kozlov, will face Rhyne Williams, who won the 2012 Sacramento doubles title with former University of Tennessee teammate Tennys Sandgren.
   In today's first match at 11 a.m., second-seeded Tim Smyczek will take on fifth-seeded Denis Kudla.
   Smyczek lost to Donald Young in last year's final. The 57th-ranked Young played in Tokyo this week, falling to local hero and U.S. Open runner-up Kei Nishikori in the second round.
   Millman returned to competition in April after undergoing shoulder surgery and sitting out for 11 months. He will play wild card Bjorn Fratangelo, who in 2011 became the first American since John McEnroe in 1977 to win the French Open boys singles title. 

$100,000 SACRAMENTO PRO CIRCUIT CHALLENGER

At Natomas Racquet Club

Second-round singles

   Bjorn Fratangelo, United States, def. Marcos Giron, United States, 7-6 (3), 7-5.
   John Millman, Australia, def. Dimitar Kutrovsky, Bulgaria, 7-5, 6-3.
   Sam Querrey (1), United States, def. Daniel Nguyen, United States, 6-3, 7-6 (3).
   Jared Donaldson, United States, def. Luca Vanni, Italy, 7-6 (3), 7-6 (5).

Doubles quarterfinals

   Marcus Daniell and Artem Sitak (1), New Zealand, def. Alex Bolt, Australia, and Frank Dancevic, Canada, 2-6, 7-6 (6) [10-4].
   Peter Polansky and Adil Shamasdin (2), Canada, def. Matt Reid, Australia, and Jose (Rubin) Statham, New Zealand, 6-4, 6-2.
   Daniel Nguyen and Eric Quigley, United States, def. Alex Kuznetsov and Vahid Mirzadeh, United States, 4-6, 6-4 [10-7].

Today's schedule

Court 1

(Starting at 11 a.m.)

   Denis Kudla (5), United States, vs. Tim Smyczek (2), United States.
   Rhyne Williams, United States, vs. Stefan Kozlov, United States.
   Sam Querrey (1), United States, vs. Jared Donaldson, United States.

Court 7

(Starting at noon)

   John Millman, Australia, vs. Bjorn Fratangelo, United States.
   Daniel Nguyen and Eric Quigley, United States, vs. Peter Polansky and Adil Shamasdin (2), Canada (not before 2 p.m.).