Itazu, Boram
Current rating: 1329
Record: 31-51
| Grand Prix Nagoya 2020 (pioneer) | starting rating: 1355 | |||
| round | table | opponent (rating) | result | Δrating |
| 1pioneer | 320 | Liu, Jin 8012 (1556) | Won 2-0 | +211376 |
| 2pioneer | 306 | Fujita, Toshitake (1391) | Lost 1-2 | -171359 |
| 3pioneer | 658 | Yamagishi, Yusuke (1516) | Lost 1-2 | -151344 |
| 4pioneer | 755 | Sakaki, Yusuke (1391) | Lost 0-2 | -181326 |
| 5pioneer | 722 | Neki, Daisuke (1377) | Won 2-0 | +191345 |
| 6pioneer | 536 | Kobayashi, Shuhei (1427) | Lost 1-2 | -161329 |
| top | average opponent: 1443record: 2-4 | new rating: 1329 | ||
| Grand Prix Taipei 2019 (WAR standard) | starting rating: 1335 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 284 | Pedersen, Magnus (1500) | Lost 0-2 | -151320 |
| 2standard | 319 | Funamoto, Yuki (1428) | Won 2-1 | +201340 |
| 3standard | 346 | Pan, Shao Yi (1429) | Lost 1-2 | -161324 |
| 4standard | 473 | Chen, Tang Lin (1415) | Won 2-0 | +201344 |
| 5standard | 369 | Guevara, Elijah (1421) | Won 2-1 | +191363 |
| 6standard | 203 | Feng, Tuoming (1561) | Won 2-1 | +221385 |
| 7standard | 220 | Kung, Lam Yan (1525) | Lost 0-2 | -161369 |
| 8standard | 229 | Tsai, Po Cyuan (1573) | Lost 1-2 | -141355 |
| top | average opponent: 1481record: 4-4 | new rating: 1355 | ||
| Grand Prix Chiba 2018 (M19 limited) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 443 | Yasukawa, Akira (1518) | Lost 1-2 | -151358 |
| 3sealed | 643 | Masumoto, Kazuhiro (1544) | Lost 0-2 | -151343 |
| 4sealed | 834 | Koshiba, Norihiko (1452) | Lost 1-2 | -161327 |
| 5sealed | 1009 | Kowata, Kyohei (1465) | Lost 1-2 | -151312 |
| 6sealed | 867 | Eto, Junpei (1401) | Won 2-1 | +191331 |
| 7sealed | 717 | Hidaka, Takuya (1421) | Won 2-0 | +201351 |
| 8sealed | 541 | Seiwada, Koyo (1487) | Lost 1-2 | -161335 |
| top | average opponent: 1470record: 2-5 | new rating: 1335 | ||
| Grand Prix Beijing 2018 (DOM limited) | starting rating: 1309 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 14 | Wang, Weiliang (1639) | Won 2-1 | +231332 |
| 3sealed | 3 | Zhou, Quan 0740 (1593) | Won 2-0 | +231355 |
| 4sealed | 65 | Shimizu, Ryouta (1581) | Won 2-0 | +221377 |
| 5sealed | 36 | Mak, Wai Hou (1811) | Won 2-0 | +261403 |
| 6sealed | 11 | Yang, Zhi (1725) | Lost 1-2 | -131390 |
| 7sealed | 75 | Wang, Dengnan (1557) | Won 2-0 | +211411 |
| 8sealed | 9 | Du, Hao (1638) | Lost 1-2 | -141397 |
| 9sealed | 18 | Robb, Justin (1731) | Won 2-1 | +241421 |
| 10draft | 12 | Murakami, Yuki (1738) | Lost 1-2 | -121409 |
| 11draft | 48 | Na, Jongwon (1648) | Lost 1-2 | -141395 |
| 12draft | 46 | Long, Bin (1602) | Lost 1-2 | -141381 |
| 13draft | 79 | Pacis, Jack Nicholle (1672) | Won 2-1 | +231404 |
| 14draft | 38 | Meng, Fan Xuan (1540) | Lost 1-2 | -161388 |
| 15draft | 62 | Zhang, Aoxiang (1544) | Lost 1-2 | -151373 |
| top | average opponent: 1644record: 7-7 | new rating: 1373 | ||
| Grand Prix Kyoto 2017 (HOU limited) | starting rating: 1330 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 69 | Magata, Kazuto (1547) | Lost 1-2 | -141316 |
| 3sealed | 815 | Komachi, Akinori (1568) | Lost 0-2 | -131303 |
| 4sealed | 903 | Kobayashi, Ryosuke (1527) | Lost 1-2 | -141289 |
| 5sealed | 1004 | Iwata, Ryoji (1398) | Won 2-0 | +201309 |
| top | average opponent: 1510record: 1-3 | new rating: 1309 | ||
| Grand Prix Kobe 2017 (modern) | starting rating: 1340 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 232 | Hasebe, Sho (1536) | Lost 1-2 | -151325 |
| 3modern | 874 | Toyohara, Eisuke (1358) | Won 2-0 | +191344 |
| 4modern | 829 | Cheung, Zack (1516) | Lost 1-2 | -151329 |
| 5modern | 662 | Murase, Hiroshi (1711) | Won 2-1 | +241353 |
| 6modern | 466 | Nose, Koji (1792) | Lost 0-2 | -101343 |
| 7modern | 901 | Miyabe, Kouichi (1642) | Lost 1-2 | -131330 |
| top | average opponent: 1592record: 2-4 | new rating: 1330 | ||
| Grand Prix Shizuoka 2017 (AER standard) | starting rating: 1373 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 397 | Taniguchi, Yu (1397) | Won 2-0 | +181391 |
| 2standard | 74 | Hirata, Koutatsu (1634) | Won 2-0 | +231414 |
| 3standard | 241 | Morita, Yo (1783) | Lost 0-2 | -121402 |
| 4standard | 824 | Tamura, Chiaki (1452) | Lost 0-2 | -171385 |
| 5standard | 828 | Futada, Takahiro (1539) | Lost 1-2 | -151370 |
| 6standard | 1093 | Asai, Kyosuke (1475) | Lost 0-2 | -161354 |
| 7standard | 977 | Hayashi, Yukari (1400) | Lost 0-2 | -181336 |
| 8standard | 942 | Kodama, Yuu (1416) | Won 2-1 | +201356 |
| 9standard | 821 | Ishijima, Kazuya (1448) | Lost 1-2 | -161340 |
| top | average opponent: 1505record: 3-6 | new rating: 1340 | ||
| Grand Prix Chiba 2016 (legacy) | starting rating: 1413 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 536 | Tanaka, Akira8259 (1500) | Won 2-1 | +201433 |
| 4legacy | 230 | Higono, Naoki (1594) | Lost 1-2 | -151418 |
| 5legacy | 517 | Kitagawa, Kazutaka (1537) | Lost 1-2 | -161402 |
| 6legacy | 539 | Karibe, Ryutaro (1515) | Lost 0-2 | -161386 |
| 7legacy | 613 | Kan, Shouichirou (1457) | Lost 0-2 | -171369 |
| 8legacy | 730 | Hayashi, Katsuji (1456) | Won 2-0 | +201389 |
| 9legacy | 601 | Shimizu, Yuji (1501) | Lost 0-2 | -161373 |
| top | average opponent: 1509record: 2-5 | new rating: 1373 | ||
| Grand Prix Kobe 2015 (BFZ standard) | starting rating: 1484 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 666 | Masumoto, Kazuhiro (1500) | Lost 0-2 | -181466 |
| 2standard | 681 | Fukumoto, Tsuyoshi (1483) | Won 2-0 | +181484 |
| 3standard | 830 | Iwasaki, Tosihiro (1501) | Lost 1-2 | -171467 |
| 4standard | 1004 | Tominaga, Yuya (1481) | Lost 0-2 | -181449 |
| 5standard | 1051 | Ishida, Ryouhei (1514) | Lost 1-2 | -171432 |
| 6standard | 959 | Ohtsu, Minami (1380) | Lost 0-2 | -191413 |
| top | average opponent: 1477record: 1-5 | new rating: 1413 | ||
| Grand Prix Chiba 2015 (MM2 limited) | starting rating: 1482 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 408 | Caro, Kyle (1500) | Lost 1-2 | -181464 |
| 2sealed | 425 | Kobayashi, Takeru (1507) | Won 2-0 | +191483 |
| 3sealed | 433 | Andou, Ryou (1516) | Lost 1-2 | -181465 |
| 4sealed | 486 | Tanikawa, Hironori (1485) | Won 2-1 | +191484 |
| 5sealed | 315 | Tanaka, Yosuke (1496) | Won 2-1 | +181502 |
| 6sealed | 241 | Komiyama, Kouhei (1489) | Lost 0-2 | -181484 |
| top | average opponent: 1499record: 3-3 | new rating: 1484 | ||
| Grand Prix Kyoto 2015 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 245 | Iwamura, Sorataro (1500) | Lost 1-2 | -181482 |
| 2legacy | 262 | Matsunaga, Yuji (1434) | Won 2-1 | +171499 |
| 3legacy | 296 | Saitou, Ryuuga (1619) | Lost 1-2 | -161483 |
| 4legacy | 384 | Shimamura, Kazumitsu (1483) | Won 2-0 | +181501 |
| 5legacy | 324 | Yoshikawa, Toshiyuki (1501) | Won 2-1 | +181519 |
| 6legacy | 266 | Toyota, Kazuhisa (1466) | Lost 1-2 | -191500 |
| 7legacy | 264 | Kobayashi, Masanori (1494) | Won 2-1 | +181518 |
| 8legacy | 201 | Ho, Jacky (1518) | Lost 0-2 | -181500 |
| 9legacy | 171 | Kurashita, Shinji (1465) | Lost 0-2 | -181482 |
| top | average opponent: 1498record: 4-5 | new rating: 1482 | ||