World No. 2 aims to win a seventh year-end title.
Miami champion reached Wimbledon semifinals and world No. 4 ranking with Fissette.
Stockholm champion plans to expand schedule in 2018.
Knee issue knocks Nadal out of Swiss Indoors.
The Russian is the second to qualify. Six spots are yet to be claimed for the Nov. 11-17 event.
The Swiss claims his 94th career title with a sublime performance
This could be the last wild card that the Russian needs for a while.
