Data for KR is currently not present as you may have noticed, Blizzard API returns no data for the new season. Reported to Blizzard here.

Ranked For Teh Win

Your sc2 ladder rankings since 2013

StarCraft 2 ladder rankings and statistics over time for players and teams. Search for players and see world, region and league rankings for 1v1 teams. All data is updated daily by fetching the current sc2 ladder standings from battle net.