AFP Sports Agenda for Tuesday, September 1 (all times GMT): Twitter: @AFP_Sport Instagram: @afpsport + Williams sisters in action at US Open in New York bubble + Tour de France takes to the mountains + England v Pakistan third T20 + Draw for Champions League qualifying playoffs FOOTBALL -- Former FIFA president Sepp Blatter faces interrogation from the Swiss public prosecutor as part of proceedings opened in 2015 over a 2011 payment of two million Swiss francs to ex-UEFA chief Michel Platini (FBL-FIFA-SUI) -- The latest developments in the war of wills between lionel Messi and Barcelona. Coverage by Tom Allnutt. (FBL-ESP-LIGA-BARCELONA-MESSI) -- Champions League play-offs draw including RB Salzburg and Olympiakos (1000) (FBL-EUR-C1) -- Europa League third qualifying round draw including Celtic (1100) (FBL-EUR-C3) TENNIS -- Former champions Serena and Venus Williams, Kim Clijsters, Sloane Stephens, Andy Murray and Marin Cilic join the action on the second day of the US Open in New York (1600). Coverage by Peter Hutchison. Picture (TENNIS-USA-OPEN) CYCLING -- The fourth stage of the Tour de France brings an unusually early mountain-top finish as a 160.5km ride from Sisteron ends with a first-category climb to Alpine ski resort Orcieres-Merlette. Coverage by Damian McCall. Picture. Video. Graphic (CYCLING-FRA-TOUR) CRICKET -- England host Pakistan in the third and final T20 international (1700) at Old Trafford, with the hosts leading the series 1-0. Coverage by Julian Guyer. Picture (CRICKET-ENG-PAK) BASKETBALL -- NBA playoffs in Orlando, Florida -- second round: Boston v Toronto (2130), Utah v Denver (1230 Wednesday). Picture (BASKET-NBA) afp