2000 ATP Tour World Championships – Doubles

Sébastien Lareau and Alex O'Brien were the defending champions, but failed to qualify as a team that year, as they did not compete together in 2000.Lareau failed to qualify with another partner, while O'Brien qualified with Jared Palmer, but lost in the round robin. Donald Johnson and Piet Norval won in the final 7–6(10–8), 6–3, 6–4, against Mahesh Bhupathi and Leander Paes.

2000 ATP Tour World Championships – Doubles

Sébastien Lareau and Alex O'Brien were the defending champions, but failed to qualify as a team that year, as they did not compete together in 2000.Lareau failed to qualify with another partner, while O'Brien qualified with Jared Palmer, but lost in the round robin. Donald Johnson and Piet Norval won in the final 7–6(10–8), 6–3, 6–4, against Mahesh Bhupathi and Leander Paes.