World number one Aryna Sabalenka said winning an "incredible" semi-final against Amanda Anisimova at the WTA Finals will be "great preparation" for facing Elena Rybakina in Saturday's final in Riyadh. The 27-year-old Belarusian beat American Anisimova 6-3 3-6 6-3 in a last-four match packed with quality and intensity throughout its two hours and 21 minutes. "She [Anisimova] is always pushing me to play my best tennis and, honestly, I wouldn't care if I had lost this match because we played an