[3] [4] On 9 or 10 February 2013, Duclos and a 13-year-old girl met when they were playing on adjacent courts, according to the arrest report by the Manatee County Sheriff’s office.

[2][5] On 21 February 2013, in Bradenton, Florida, Duclos was arrested in a sting operation after the girl's mother gave her cellphone to police.

The story was different in doubles however, as Duclos reached the semi-finals in consecutive challengers in April played in Mexico and then, partnering André Ghem, won a third.

Duclos won Ireland F1 in doubles with Durek and followed this up with his first challenger level win, in Dublin, over Slovak Igor Zelenay.

Following a first round loss at the Granby Challenger, where he reached the semis in doubles, Duclos scored his most impressive victory to date, a comeback three-set win over Spaniard Feliciano López in qualifying for the 2007 Rogers Cup.

In doubles partnering compatriot Philip Bester he lost in his first ATP Tour-level main draw match, 4–6, 4–6 to Lleyton Hewitt and Rafael Nadal.

He finished the year though losing in the first round of three straight challengers in singles, but reached the finals in consecutive tournaments in doubles and a world ranking of No.

2 seed Duclos reached the quarterfinals of Russia F1 in singles while in doubles he and partner Denis Matsukevich lost in the semis.

The following week Duclos failed to qualify for the main draw of Alessandria Challenger in singles and in doubles reached the quarter-finals partnering Jacopo Marchegiani.

In June, Duclos reached the second round in singles at the Sunset Moulding YCRC Challenger, scoring a first-round win of veteran and No.

270, but he has been displaced by Polanksy as the number two singles player in Canada thanks to the latter's good showing in qualifying for the main draw of the French Open.

Duclos continued his fine doubles play, reaching the semi-finals in Yuba City partnering Alex Kuznetsov.

In doubles, Duclos and compatriot Frank Dancevic, a wild card pairing, lost in the second round of the main draw.

The week after Duclos reached the semi-finals of the Southern Capital Cup in Astana, knocking off top seed Michail Elgin in the first round, James McGee in the second, and No.

The week after he lost in the first round of the Sicilia Classic Mancuso Company Cup, comprehensively to Miguel Ángel López Jaén (2 and 2).

After a week off, Duclos reached the second round of qualifying for the Delray Beach International ATP 250 tournament, where he lost in three sets to No.

The following week Duclos lost in the first round of the 2010 Abierto Internacional del Bicentenario Leon, to unseeded Alexander Sadecky.

In doubles, he and Nicholas Monroe reached the semi-finals, where they fell to the top seeds, Vasek Pospisil and Santiago González in tie-breaker set.

Two weeks previously, Duclos reached the second round of the 2010 Fergana Challenger, losing to Chinese qualifier Zhang Ze in three sets.

After a week off, Duclos lost in the first round, as an alternate entry, to fellow Canadian Peter Polansky, in the 2010 Weil Tennis Academy Challenger.

After three weeks off, Duclos played one of his best tournaments on tour, qualifying to reach the second round of the 2010 Nielsen Pro Tennis Championship in singles while winning the doubles.

Duclos then claimed the doubles crown by partnering Ryler DeHeart to the tandem's second challenger title in just two times playing together.

1 seed and eventual champion Tobias Kamke, 3–6, 4–6, in the first round of the 2010 Challenger Banque Nationale de Granby, an event that features the top eight ranked (active) Canadian singles players.

Off for three weeks, Duclos next lost, in early September, in the first round in singles at the 2010 Trophée des Alpilles, to Vincent Millot 4–6, 4–6.

The following week Duclos won three singles matched to qualify for the 2010 Royal Bank of Scotland Challenger in Tiburon, California.

The week after, at the 2010 JSM Challenger of Champaign–Urbana, Duclos lost in the second round of singles qualifying to unranked American Marek Czerwinski.

In Guadalajara, Duclos played his best ever singles tour event as well, reaching the tournament final as a lucky loser entrant.

He had lost to the most recent ITF junior tour champion Juan Sebastián Gómez in the qualifying round before going on to beat top-200 players Carlos Salamanca and João Souza in the quarter and semi-finals of the main draw.

In doubles, in addition to the Guadalajara finals, Duclos reached three semi-finals and three quarter-finals in eleven Challenger events played.

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.