Serb secures year-ending world number ranking after beating Rune at ATP Finals

Tennis star teams up with Dabrowski to help country beat Czechs, set up Italy final

Japanese will make her first WTA appearance in 15 months at Brisbane International

Countries crush Germany and Poland 3-0, respectively, at BJK Cup

Country sweeps Spain 3-0 in Group C tie; Italy edges France 2-1 in Group D

Polish star defeats fifth seed 6-1, 6-0 to reclaim her world number one ranking spot

World number one beat fifth seed 5-7, 7-6 (7/3), 7-5 to book final with unseeded Dimitrov

American tennis star shakes off rain, windy conditions to beat compatriot Gauff

American beats Sakkari 6-3, 6-2 to complete unbeaten run through group stage

World number one battles past unseeded Griekspoor 4-6, 7-6, 6-4 to reach quarters