Sydney [Australia], January 7 (ANI): The 18-team United Cup has narrowed down to just two as Poland, led by stars Iga Swiatek and Hubert Hurkacz will take on Germany, led by Alexander Zverev and Angelique Kerber in the title clash on Sunday. The world’s number one women’s player Swiatek will lock horns with Germany’s Kerber. Swiatek in the semis beat France’s Caroline Garcia by 4-6, 6-1, 6-1. Kerber is a former world number one, making her return to the sport after an 18-month-long maternity layoff. She beat Australia’s Ajla Tomljanovic in the semis by 6-4, 2-6, 6-7 (7-9). On her exciting matc…