Marco Baghdatis’s good run in the Washington Open came to an end in the quarter-finals when American John Isner defeated him in a close game by two sets to one, 6-7, 6-4,6-4.
The other quarter-final results:
1-Juan Martin Del Potro (Argentina) beat 7-Kevin Anderson (South Africa) 7-6(0) 6-3
3-Tommy Haas (Germany) beat 11-Grigor Dimitrov (Bulgaria) 7-6(5) 7-6(3)
Dmitry Tursunov (Russia) beat Marinko Matosevic (Australia) 6-3 4-6 7-6(4)