the second round. This result coupled with his still retaining his ranking points at this point from the previous year's Player's International allowed him to reach his career singles ranking of World No. 107. 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. In doubles, he and compatriot Andrew Sznajder reached the second round. Bonneau competed in his second grand slam event singles main draw at the 1986 U.S. Open. He was soundly beaten by No. 4 seed and eventual semi-finalist Stefan Edberg, 0-6, 3-6, 0-6. Bonneau did not compete in any more tour event main draws for the year. His rankings on December 29 were World No. 184 in singles and No. 263 in doubles. 1987 Bonneau again competed at San Luis Potosí and achieved his best result there, reaching the semi-finals, where he lost to Leonardo Lavalle. In doubles, partnering Briton Bill Cowan, Bonneau reached the second round. In late May at the Montabaur Challenger in Montabaur, he lost in the first round, to Peter Elter. 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. For the fifth consecutive year and the seventh overall, Bonneau played both singles and doubles at the Player's International, this time in Montreal. And for the sixth time, he lost in the first round, this time to World No. 249 Roberto Saad in straight sets. In doubles Bonneau reached the second round for a second consecutive with Sznajder. The following week, he played the Winnetka Challenger, losing in the first round in both singles and doubles. The week of the start of the U.S. Open, Bonneau played the Budapest Challenger, losing in the first round in both singles and doubles. 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,