Tennis: Gulbis upsets ailing Del Potro to reach semis
ROTTERDAM (AFP) - Ernests Gulbia ended Juan Martin del Potro's winning run when he beat the top seed 6-3, 6-4 in a quarter-final upset at the Rotterdam World Tennis on Friday.
Gulbis, the world number 24 from Latvia, will face third seed Tomas Berdych in the semi-finals after the Czech defeated Poland's Jerzy Janowicz 6-7 (9/11), 6-2, 6-4 in a hard-fought victory which took nearly two-and-a-half hours.
In his last five tournaments as the top seed, defending champion Del Potro had won five titles and 23 straight matches.
Wimbledon winner Andy Murray was trying to maintain the honour of seeds as the number two faced former top 10 competitor Marin Cilic of Croatia in the quarter-finals.