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. At the Schenectady Open, he lost in the first round, to Eric Winogradsky. The following week Bonneau reached the second round of the Sovran Bank Classic, defeating Tomm Warnecke before losing to Nduka Odizor. The week after, he fell again to Kriek, in the first round of the Volvo International.