Swiatek tops Lee, on to quarterfinals in Poland

WARSAW, Poland — Top-ranked Iga Swiatek extended her clay-court winning streak to 18 matches by defeating Gabriela Lee 6-3, 6-2 to advance to the quarterfinals at the Poland Open on Thursday.

The 21-year-old Pole has not lost on clay since the 2021 French Open quarterfinals. She improved to 48-4 this season.

The two-time French Open champion…