(November 12, 2015) The ATP World Tour Finals in London held the official group draws ahead of the Sunday start. Top seed Novak Djokovic seeking a fifth year-end crown is in the Stan Smith group along with (3) Roger Federer, (6) Tomas Berdych and (8) Kei Nishikori. The Illie Nastase group consists of (2) Andy Murray, (4) Stan Wawrinka, (5) Rafael Nadal and (7) David Ferrer.
This year the singles and doubles groups have been named after former champions of the year-end event, including Stan Smith, the 1970 winner at Tokyo in 1970, and four-time winner Illie Nastase. Arthur Ashe and Smith won the first doubles title in 1970 while Peter Fleming and John McEnroe won the crown eight consecutive times.
The singles and doubles groups are listed below as well as the order of play for Sunday and Monday.
|Singles – Group Stan Smith
 N Djokovic (SRB)
 R Federer (SUI)
 T Berdych (CZE)
 K Nishikori (JPN)
|Singles – Group Ilie Nastase
 A Murray (GBR)
 S Wawrinka (SUI)
 R Nadal (ESP)
 D Ferrer (ESP)
|Doubles – Group Ashe/Smith
 B Bryan (USA) / M Bryan (USA)
 J Murray (GBR) / J Peers (AUS)
 S Bolelli (ITA) / F Fognini (ITA)
 R Bopanna (IND) / F Mergea (ROU)
|Doubles – Group Fleming/McEnroe
 J Rojer (NED) / H Tecau (ROU)
 I Dodig (CRO) / M Melo (BRA)
 P Herbert (FRA) / N Mahut (FRA)
 M Matkowski (POL) / N Zimonjic (SRB)