It's anyone's guess who will come away with the men's ATP Tennis Masters singles title in London next week. [
Eight of the top ranked players will compete at the tournament, with world number 3 Novak Djokovic returning as the defending champion.
Djokovic says despite having a pretty good season, the field is too strong to predict where he will place this year.
PLAY AUDIO: TENNIS DJOKOVIC TP
IN:...... I cannot say...
OUT:... great for the sport.
DUR:... 20 secs
Serbian Novak Djokovic plays his first match against world number seven Nikolay Davydenko on Tuesday morning