Karlos Alkaras stopped already in the second match at the masters tournament in Cincinnati.
Last year's finalist, who was then defeated by Novak Djokovic in the fight for the trophy, now lost to Gael Monfils.
The Frenchman won in three sets, after a reversal - 4:6, 7:6, 6:4.
Rain interrupted the duel last night in Ohio, and that 17-hour break seemed to please Monfis more - he scalped the guy who recently won Roland Garros and Wimbledon, and played in the finals of the Olympic Games.
Monfisa is waiting for a duel with Holger Rune on the night between Friday and Saturday.
And Janik Siner is in the quarterfinals, after his rival handed him the duel.
The match had not even started, and the Italian received news that Jordan Thompson had withdrawn from the tournament due to injury.
Siner will fight with Andrej Rubljov for a place in the semi-finals.
The Russian was better than the American Brendan Nakashima - 7:6, 6:1.
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