Nikola Bartunkova vs. Karolina Muchova — China Open 2026 Quarterfinal Match Report Karolina Muchova had spent nearly three hours surviving Naomi Osaka, cramping through the deciding tiebreak and requiring nine match points to escape. Two days later, she looked badly out of sorts. Whether the physical strain from that match carried into the quarterfinal cannot … Continue reading If Karolina Muchova Had a Younger Sister, It Would Be Nikola Bartunkova