British number two Aljaz Bedene beat third seed Roberto Bautista Agut in straight sets to reach the quarter-finals of the Hamburg Open.
World number 67 Bedene beat the Spaniard 7-6 (7-2) 7-6 (9-7).
The Slovenian-born Briton, who reached the second round of Wimbledon, beat Spain's Daniel Gimeno-Traver - also in straight sets - in the first round.
Bedene, 26, next faces either Italian eighth seed Fabio Fognini or Spain's Albert Ramos-Vinolas in the last eight.
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