Second-seeded Iga Świątek has rallied to beat Barbora Krejčíková 4-6, 7-5, 6-2 in her first match in two months at the WTA Finals in Saudi Arabia. Świątek, who arrived at the WTA Finals with new coach Wim Fissette, had not played a match since losing to Pegula in straight sets in the US Open quarterfinals in September. "Even though I …