Nick Kyrgios has been knocked out of the Valencia Open in the first round, beaten by German qualifier Daniel Brands 6-4 2-6 7-6 (7-3) after losing his concentration and early momentum.
The Australian world No.30 got off to a quick start in the opening set on Tuesday, breaking Brands in his opening service game as he raced to a 4-1 lead.
However, a loss of concentration saw him drop his serve twice in succession and he soon found himself 5-4 down.
The 170th-ranked Brands then capitalised on a series of half-hearted shots from Kyrgios to take the first set.
Kyrgios levelled the match after breaking Brands twice in a four-game run in the second set - and looked to have the momentum going into the final set.
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But with both men holding serve throughout the deciding set, it came down to a tiebreak.
The German produced the more consistent tennis to secure five match points at 6-2.
Kyrgios saved the first with a second serve ace but was powerless in the next point as Brands served out the match with an ace.
"I think the key today was to stay calm and just to focus on the important points. I think I played some good points today and a really good match," Brands said.
Brands next faces Spaniard David Ferrer.
Earlier, Aljaz Bedene of Britain won 12 of the last 15 games on Tuesday to beat eighth-seeded Jeremy Chardy of France 3-6 6-2 6-1 in the first round.
The Slovenia-born Briton, who had 14 aces, will next face Vasek Pospisil of Canada.
Bedene won their only previous meeting at the 2014 Sony Ericsson Open.
"He serves big so I need to be ready for his big serves," Bedene said.
"Not just to put in a return but to make something of it. He's a great volleyer as well and has a great forehand, so I need to be active all the time and not lose serve as I did so easily in the first set today."
