31 year old American Andy Roddick has moved into the semi finals of the BB&T Atlanta Open on Friday evening.
Roddick beat 34 year old American veteran Michael Russell 6-3, 6-4 to reach the last four.
Roddick hit 12 aces in the match that lasted just over 70 minutes.
Roddick will play the winner of two-time defending finalist John Isner and 19-year-old Jack Sock.
Eighth seed Go Soeda upset third-seeded countryman Kei Nishikori 6-2, 6-1 and will meet Luxembourg’s Gilles Muller.
Muller beat Aussie Matthew Ebden 6-4, 6-4.