https://tablebase.lichess.ovh/tables/standard/3-4-5-wdl/KRvK.rtbw
https://tablebase.lichess.ovh/tables/standard/3-4-5-wdl/KRvKR.rtbw
https://tablebase.lichess.ovh/tables/standard/3-4-5-dtz/KRvKR.rtbz