Dominic Thiem gained further momentum on Thursday at the EFG Swiss Open Gstaad, overcoming Argentine Federico Delbonis 7-6(8), 6-3 to reach his second tour-level quarter-final in as many weeks.
The Austrian let slip a 5-2 lead in the first set, but took the opener after saving two set points in the tie-break. Thiem then opened his shoulders and hit through Delbonis in the second set to advance after one hour and 57 minutes.
“Every win is so important right now and I got a great energy from my box,” Thiem said in his on-court interview. “They also knew that first set was crucial and the key to the match. I am coming from [reaching] the quarters in Bastad and I really wanted to back it up here in Gstaad.
"I have won two matches which means a lot to me right now. I really need those ranking points. Every match win is something very special.”
The former World No. 3, who saved one match point in his first-round victory against Hugo Gaston, defeated Emil Ruusuvuori and Roberto Bautista Agut en route to his maiden tour-level quarter-final of the season last week in Bastad.
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