Menlo School product Dmitry Tursunov defeated American James Blake, 6-4, 6-4, in the second round of the Western and Southern Open in Cincinnati on Wednesday.
Tursunov, who won a Central Coast Section title as a freshman at Menlo, advanced into the third round and will meet the No. 3 seed David Ferrer, who needed three sets to get past wild card Ryan Harrison, 7-6(5) 3-6 6-4, in Thursday's Round of 16.
Ferrer, who ranks fourth in the world, reached the quarterfinal of Wimbledon and has won two titles on the season. He also lost to fellow Spaniard Rafael Nadal in the final of the French Open.
Tursunov, ranked 44th, needed to qualify for the main draw. He reached the semifinal of the Washington, D.C. event at the end of July, losing to John Isner in three sets.
Tursunov upset Ferrer at the Barcelona Open Banc Sabadell, a clay court tournament, in April in their only previous meeting.
Stanford grad Scott Lipsky and his doubles partner Santiago Gonzalez advanced in the doubles tournament, beating sixth-seeded Robert Lindstedt (Sweden) and Daniel Nestor (Canada), 7-6, 6-4.
Lipsky, who ranks 29th in doubles, has two titles to his credit this season, both with Gonzalez. They will meet the third-seeded doubles team of Austria's Aleaxnder Peya and Brazil's Bruno Soares on Thursday.
Stanford products and the world's top-ranked doubles team of Bob Bryan and Mike Bryan play their first match of the tournament on Thursday against France's Jeremy Chardy and Richard Gasquet.