The most ATP points in history (in one calendar season):
1. Novak Djokovic (SRB) 28yo ➲ 16,145₧ ≡ September 21th, 2015.
2. Roger Federer (CH) 34yo ➲ 15,745₧* (8,370₧) ≡ December 25th, 2006.
3. Rafael Nadal (ESP) 29yo ➲ 15,360₧ ≡ May 11th, 2009.
* calculating by new system