▁= ▁ 2 ▁matches , ▁$ 1 2 0 , 0 0 0 ▁= ▁ 3 ▁matches ▁ 3 ▁Pro - r ated ▁on ▁a ▁per - match ▁basis : ▁$ 3 0 , 0 0 0 ▁= ▁ 1 ▁match , ▁$ 5 0 , 0 0 0 ▁= ▁ 2 ▁matches , ▁$ 6 5 , 0 0 0 ▁= ▁ 3 ▁matches ▁ ▁Qual ification ▁The ▁top ▁eight ▁players ▁( or ▁teams ) ▁with ▁the ▁most ▁count able ▁points ▁accum ulated ▁in ▁Grand ▁S lam , ▁ATP ▁World ▁Tour , ▁and ▁Davis ▁Cup ▁tournament s ▁during ▁the ▁year ▁qualified ▁for ▁the ▁ 2 0 1 1 ▁Bar cl ays ▁ATP ▁World ▁Tour ▁Final s . ▁Count able ▁points ▁included ▁points ▁earned ▁in ▁ 2 0 1 1 , ▁plus ▁points ▁earned ▁at ▁the ▁ 2 0 1 0 ▁Davis ▁Cup ▁final ▁and ▁the ▁late - season ▁ 2 0 1 0 ▁Ch alleng ers ▁played ▁after ▁the ▁ 2 0 1 0 ▁Bar cl ays ▁ATP ▁World ▁Tour ▁Final s . ▁ ▁To ▁qual ify , ▁a ▁player ▁who ▁finished ▁in ▁the ▁ 2 0 1 0 ▁year - end ▁top ▁ 3 0 ▁must ▁have ▁competed ▁in ▁four ▁Grand ▁S lam ▁tournament s ▁and ▁eight ▁ATP ▁World ▁Tour ▁Masters ▁ 1 0 0 0 ▁tournament s ▁during ▁ 2 0 1 1 . ▁The ▁best ▁four ▁ATP ▁World ▁Tour ▁ 5 0 0 ▁events ▁in ▁ 2 0 1 1 ▁and ▁best ▁two ▁ATP ▁World ▁Tour ▁ 2 5