HOW LAVER CUP WORKS

TEAM EUROPE: R Nadal (Sp), R Federer (Swi), A Zverev (Ger), T Berdych (Cze), M Cilic (Cro), D Thiem (Aut). Captain: B Borg.

TEAM WORLD: J Isner (USA), N Kyrgios (Aus), S Querrey (USA), D Shapovalov (Can), F Tiafoe (USA), J Sock (USA). Captain: J McEnroe.

FORMAT: Today — Three singles and one doubles over two sessions.

Saturday — Three singles and one doubles over two sessions.

Sunday — Three singles and one doubles in one session. Possible doubles decider.

POINTS SYSTEM: One point per win on Friday, Two pts per win on Saturday, Three pts per win on Sunday. Matches over two sets with a sudden-death, first to 10, tiebreak decider. TV: LIVE on Sky Sports, 11.30am.