Yahiya Doumbia was the defending champion but lost in the first round to Jakob Hlasek. John McEnroe won in the final 6–3, 7–6 against Hlasek. Seeds Jakob Hlasek (final) John McEnroe (champion) Henri Leconte (quarterfinals) Jonas Svensson (semifinals) Anders Järryd (semifinals) Magnus Gustafsson (quarterfinals) Guy Forget (second round) Patrik Kühnen (quarterfinals) Draw Finals Top half Bottom half External links 1989 Grand Prix de Tennis de Lyon Draw 1989 Grand Prix (tennis)