IGA

MELBOURNE, Australia — Iga Swiatek rushed through the first set in 26 minutes and completed her 6-0, 6-2 second-round win over Rebecca Sramkova in an hour at the Australian Open.

The five-time Grand Slam champion makes a habit of advancing quickly through the early rounds at the majors. She’s won 12% of her sets in Grand Slams by 6-0, according to the tournament broadcaster.

So when No. 49-ranked Sramkova ended a seven-game losing run by holding serve on Thursday, she raised her...