See main article: 1999 Mercedes-Benz Cup.
Patrick Rafter and Sandon Stolle were the defending champions, but Rafter did not compete this year. Stolle teamed up with Wayne Black and lost in the semifinals to Byron Black and Wayne Ferreira.
Byron Black and Ferreira won the title by defeating Goran Ivanišević and Brian MacPhie 6–2, 7–6(7–4) in the final.[1] [2]