Koriyama Hokuto: ranking history (ITTF)

Year	Month	Day	Rating	Rank
2019	December	1	300	678
2019	November	1	300	669
2019	October	1	300	643
2019	September	1	300	606
2019	August	1	300	628
2019	July	1	300	619
2019	June	1	300	620
2019	May	1	886	347
2019	April	1	886	376
2019	March	1	886	376
2019	February	1	886	369
2019	January	1	886	367
2018	December	1	886	367
2018	November	1	886	368
2018	October	1	886	362
2018	September	1	886	353
2018	August	1	886	363
2018	July	1	886	361
2018	June	1	886	374
2018	May	1	300	580
2018	April	1	840	395
2018	March	1	1065	323
2018	February	1	1065	324
2018	January	1	1365	273
2017	August	1	1695	220
2017	July	1	1695	225
2017	June	1	1695	219
2017	May	1	1695	225
2017	April	1	1699	211
2017	March	1	1708	225
2017	February	1	1708	226
2016	November	1	1615	232
2016	October	1	1615	245
2016	September	1	1615	259
2016	August	1	1615	246
2016	July	1	1615	252
2016	June	1	1615	238
2016	May	1	1625	243
2015	September	1	1631	261
2015	August	1	1631	249
2015	July	1	1631	251
2015	June	1	1631	256
2015	April	1	1529	269
2015	March	1	1527	266
2015	February	1	1527	273
2015	January	1	1527	281
2014	December	1	1527	302
2014	November	1	1529	278
2014	October	1	1527	304
2014	September	1	1527	316
2014	August	1	1527	302
2014	July	1	1529	307
2014	June	1	1533	287