The Barclays ATP World Tour Finals continues Sunday in London and one match has already gone final. Fourth-ranked Roger Federer defeated sixth-ranked Jo-Wilfried Tsonga 6-2, 2-6, 6-4 to start his march towards a record sixth title at the event.
The other singles match taking place Sunday will be second-ranked Rafael Nadal taking on eighth-ranked Mardy Fish. The schedules for the day in both singles and doubles is below (times reflect EST), from ATPWorldTour.com:
CENTRE COURT start 7:15 am
 M Mirnyi (BLR) / D Nestor (CAN) vs  R Bopanna (IND) / A Qureshi (PAK)
Not Before 9:00 AM
 R Federer (SUI) vs  J Tsonga (FRA)
Not Before 1:15 PM
 M Llodra (FRA) / N Zimonjic (SRB) vs  M Fyrstenberg (POL) / M Matkowski (POL)
Not Before 3:00 PM
 R Nadal (ESP) vs  M Fish (USA)
All of Sunday's action can be found on the Tennis Channel. ESPN2 will air the Singles Semifinals and Finals.