Bonneau won his first professional event at Hamilton, Canada in July 1981 on the Alcan Canadian Satellite Circuit by detesting Mark Dickson (USA) 7-6 6-7 6-3 in the final.

In August, Bonneau played his fourth Player's International, again as a wild card entrant, and lost in the first round in singles, to qualifier Andy Kohlberg, 6-2, 4-6, 4-6.

He beat fellow wild card Doug Burke and then David Dowlen in straight sets before losing to eventual champion Kohlberg 2-6, 5-7.

In doubles, he and compatriot Josef Brabenec lost in straight sets in the first round to South African Michael Robertson and New Zealander Kelly Evernden.

12 seed Tomáš Šmíd in three sets in the first round, future top tenner Jakob Hlasek in the second, before falling to No.

In doubles, he and fellow Quebecer Martin Laurendeau lost in the first round to seeded team Paul Annacone and Christo van Rensburg.

He finished the year in Australia where he lost in the first round of the 1985 Australian Open in straight sets to John Frawley.

The week after, Bonneau again played San Luis Potosí, losing in the first round in singles but reaching the finals in doubles, for his first time on tour, partnering Venezuelan Iñaki Calvo.

In August however, Bonneau was unable to protect these points, losing in the first round of the Player's, to eventual semi-final Christo Steyn.

Bonneau again competed at San Luis Potosí and achieved his best result there, reaching the semi-finals, where he lost to Leonardo Lavalle.

In July, Bonneau played in 5 consecutive grand prix events in the Eastern United States and Canada.

At the 1987 Livingston Open, he reached the quarter-finals, knocking off David Wells-Roth and Glenn Layendecker before falling to Johan Kriek.

The following week Bonneau reached the second round of the Sovran Bank Classic, defeating Tomm Warnecke before losing to Nduka Odizor.

The following week he played Thessaloniki Challenger, reaching the second round in singles and semis in doubles, partnering Steve Guy.

Three weeks later, Bonneau won his only tour singles title, the Chicoutimi Challenger, defeating Jamaican Doug Burke in the final.

In Bonneau's first main draw action for 1988, he reached the finals of both the singles and doubles of Vilamoura Challenger in Portugal, in April.

He lost the singles final to South African Barry Moir and played doubles with Fabio Silberberg.

In May, Bonneau reached the second round of the Raleigh Challenger, defeating compatriot Martin Wostenholme before falling to John Boytim.

In August, Bonneau played his last tournament main draw as a full-time touring pro, reaching the second round of the New Haven Challenger in singles, defeating Robbie Weiss and losing to Luke Jensen.

As a Davis Cup player for Canada, Bonneau lost both a doubles and singles rubber on clay in a 1981 tie held against Colombia in Bogotá, the North and Central America semi-final.

Partnering Rejean Genois, he lost to the duo of Carlos Behar and Alejandro Cortes, in straight sets.

Bonneau won two singles matches versus the Caribbean in March 1985 on carpet in Chicoutimi, defeating Karl Hale in the second round and then Roger Smith in a dead rubber.

In the next round, held in August, also in Chicoutimi, Mexico defeated Canada 3-2 to advance to the American zone final.

Bonneau lost his round 1 match-up to Francisco Maciel in four sets as well as a fifth and deciding rubber, 10-12, 1-6, 2-6 to Leonardo Lavalle.