 A week later Duclos fared far better, reaching the semi-finals of the 2011 Fifth Third Bank Tennis Championships, again as an Alternate.After a week off, Duclos began August by going out in the first round of the 2011 Odlum Brown Vancouver Open, in three sets to fellow Quebecer Érik Chvojka.In all four North American Challengers he competed in doubles, from late June to early August, he lost in the first round.