Hiroki, Kenta
Current rating: 1592
Record: 48-44
Grand Prix Detroit 2003Grand Prix Detroit 2005Grand Prix Niigata 2005Grand Prix Columbus 2007Grand Prix Washington DC 2010Grand Prix Columbus 2010Grand Prix Indianapolis 2012Grand Prix Louisville 2013Grand Prix Washington DC 2013Grand Prix Cincinnati 2014Grand Prix New Jersey 2014Grand Prix Richmond 2018 (leg)
| Grand Prix Richmond 2018 (leg) (legacy) | starting rating: 1620 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 66 | Lee, Andrew (1473) | Won 2-1 | +151635 |
| 2legacy | 119 | Rabinowitsch, Evan (1482) | Lost 1-2 | -211614 |
| 3legacy | 297 | Shane, Kyle (1748) | Lost 0-2 | -151599 |
| 4legacy | 315 | DeLange, Gregory (1608) | Won 2-1 | +181617 |
| 5legacy | 325 | Elia, Tony (1442) | Lost 0-2 | -211596 |
| 6legacy | 310 | Bridgman, Slater (1453) | Won 2-0 | +151611 |
| 7legacy | 239 | Gradert, Andrew (1566) | Lost 1-2 | -191592 |
| top | average opponent: 1539record: 3-4 | new rating: 1592 | ||
| Grand Prix New Jersey 2014 (legacy) | starting rating: 1563 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 1403 | Holiday, Nathan (2002) | Lost 0-2 | -101553 |
| 4legacy | 1581 | Gaieski, Ethan (1526) | Won 2-0 | +171570 |
| 5legacy | 1670 | Campman, Andrew (1470) | Won 2-0 | +161586 |
| 6legacy | 1485 | Summers, Cody (1507) | Lost 1-2 | -191567 |
| 7legacy | 1662 | Martin, Neil (1537) | Won 2-1 | +171584 |
| 8legacy | 1533 | Sexton, Jacob (1556) | Won 2-1 | +181602 |
| 9legacy | 1488 | Turgeon, Zac (1538) | Won 2-0 | +171619 |
| 10legacy | 135 | Winokur, Ben (1693) | Won 2-0 | +191638 |
| 11legacy | 77 | MacEachern, James (1636) | Lost 0-2 | -181620 |
| 12legacy | 126 | Wolloch, Adam (1671) | Won 2-0 | +191639 |
| 13legacy | 104 | Antrim, Michael (1617) | Lost 1-2 | -181621 |
| 14legacy | 106 | Van Vleet, Matthew (1570) | Won 2-0 | +171638 |
| 15legacy | 110 | Fortin, Alexandre (1650) | Lost 0-2 | -181620 |
| top | average opponent: 1613record: 8-5 | new rating: 1620 | ||
| Grand Prix Cincinnati 2014 (BNG standard) | starting rating: 1601 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 119 | Bilz, Dean (1785) | Lost 0-2 | -141587 |
| 4standard | 505 | Passarelli, Hayden (1498) | Won 2-0 | +161603 |
| 5standard | 157 | Berry, Adam (1520) | Lost 1-2 | -191584 |
| 6standard | 302 | Handy, Carmen (1452) | Lost 1-2 | -211563 |
| top | average opponent: 1564record: 1-3 | new rating: 1563 | ||
| Grand Prix Washington DC 2013 (legacy) | starting rating: 1660 | |||
| round | table | opponent (rating) | result | Δrating |
| 3legacy | 376 | Kling, Matthew (1567) | Lost 0-2 | -201640 |
| 4legacy | 509 | Potts, Charles (1502) | Lost 1-2 | -201620 |
| 5legacy | 442 | Gosselin, Christopher (1594) | Lost 1-2 | -191601 |
| top | average opponent: 1554record: 0-3 | new rating: 1601 | ||
| Grand Prix Louisville 2013 (THS standard) | starting rating: 1670 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 254 | Spano, Matthew (1560) | Won 2-1 | +161686 |
| 4standard | 177 | Gould, Michael (1507) | Lost 1-2 | -211665 |
| 5standard | 328 | Sutton, Michael (1535) | Won 2-1 | +151680 |
| 6standard | 202 | Schauf, Scott (1697) | Won 2-0 | +181698 |
| 7standard | 228 | Burton, Brandon (1667) | Lost 0-2 | -181680 |
| 8standard | 170 | Tidd, Sara (1584) | Lost 0-2 | -201660 |
| top | average opponent: 1591record: 3-3 | new rating: 1660 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1558 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 54 | Land, Jared (1467) | Won 2-1 | +161574 |
| 3legacy | 17 | Van Fleet, Adam (1518) | Won 2-0 | +171591 |
| 4legacy | 69 | Yurchick, Adam (1812) | Lost 0-2 | -141577 |
| 5legacy | 120 | Norton, Matt M (1571) | Lost 0-2 | -181559 |
| 6legacy | 208 | Fulton, Randall (1533) | Won 2-0 | +171576 |
| 7legacy | 264 | Adams, Brandon (1560) | Won 2-0 | +181594 |
| 8legacy | 108 | Valenti, Christian (1861) | Won 2-1 | +231617 |
| 9legacy | 120 | Kraigher, Greg (1576) | Won 2-1 | +171634 |
| 10legacy | 62 | Rye, Frank W (1528) | Won 2-0 | +161650 |
| 11legacy | 34 | Elgin, Jack (1651) | Won 2-0 | +181668 |
| 12legacy | 16 | Large, Brandon (1649) | Won 2-0 | +181686 |
| 13legacy | 17 | Wen, Bernie (1672) | Lost 1-2 | -181668 |
| 14legacy | 21 | Rubin, Steve (1793) | Won 2-0 | +201688 |
| 15legacy | 19 | Tash, Benjamin (1679) | Lost 0-2 | -181670 |
| top | average opponent: 1634record: 10-4 | new rating: 1670 | ||
| Grand Prix Columbus 2010 (legacy) | starting rating: 1540 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 156 | Van Haecke, Jason (1500) | Lost 1-2 | -181522 |
| 2legacy | 200 | Scheetz, Nathan (1482) | Won 2-1 | +171539 |
| 3legacy | 156 | Connor, Nathan (1500) | Won 2-0 | +171556 |
| 4legacy | 169 | Marriott, Nick (1521) | Lost 1-2 | -191537 |
| 5legacy | 229 | Avalokita, Piper (1499) | Won 2-0 | +181555 |
| 6legacy | 146 | Manzano, Steve L (1522) | Won 2-1 | +171572 |
| 7legacy | 112 | Tormos, Ervin (1770) | Lost 1-2 | -141558 |
| top | average opponent: 1542record: 4-3 | new rating: 1558 | ||
| Grand Prix Washington DC 2010 (ROE standard) | starting rating: 1521 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 6 | Scott, Matt (1577) | Lost 0-2 | -171504 |
| 2standard | 387 | Wirtz, Josh (1482) | Won 2-0 | +181522 |
| 3standard | 276 | Folsom, Tom C (1481) | Lost 1-2 | -191503 |
| 4standard | 393 | Reck, Jarrad (1482) | Won 2-0 | +181521 |
| 5standard | 216 | Gemme, Mike (1465) | Won 2-0 | +171538 |
| 6standard | 171 | Olagunju, Kola (1523) | Won 2-1 | +171555 |
| 7standard | 160 | Kowal, Brian (1721) | Lost 0-2 | -151540 |
| top | average opponent: 1533record: 4-3 | new rating: 1540 | ||
| Grand Prix Columbus 2007 (legacy) | starting rating: 1462 | |||
| round | table | opponent (rating) | result | Δrating |
| 2legacy | 130 | Baughman, Jacob (1511) | Won 2-0 | +191481 |
| 3legacy | 133 | Kim, Alex (1702) | Won 2-0 | +221503 |
| 4legacy | 59 | Romao, Carlos (1960) | Won 2-1 | +251528 |
| 5legacy | 15 | Price, David (1718) | Won 2-0 | +221550 |
| 6legacy | 15 | Arthurs, Marshall (1677) | Lost 0-2 | -161534 |
| 7legacy | 27 | Noworaj, Andrew (1571) | Won 2-1 | +191553 |
| 8legacy | 31 | Evans, Stephen (1486) | Won 2-0 | +171570 |
| 9legacy | 12 | Lodovichetti, Dominic (1649) | Lost 0-2 | -171553 |
| 10legacy | 37 | Elgin, Jack (1537) | Lost 0-2 | -181535 |
| 11legacy | 48 | Shipman, Nick (1577) | Lost 1-2 | -181517 |
| 12legacy | 53 | Harrelson, Eric W (1558) | Won 2-0 | +191536 |
| 13legacy | 46 | Quinn, Kevin (1556) | Won 2-1 | +191555 |
| 14legacy | 35 | Swartz, Noah (1545) | Lost 0-2 | -191536 |
| 15legacy | 39 | McGee, Michael (1685) | Lost 0-2 | -151521 |
| top | average opponent: 1624record: 8-6 | new rating: 1521 | ||
| Grand Prix Niigata 2005 (Kamigawa block) | starting rating: 1470 | |||
| round | table | opponent (rating) | result | Δrating |
| 2block | 30 | Shima, Junichirou (1606) | Won 2-0 | +201490 |
| 3block | 71 | Taniguchi, Hidehisa (1599) | Lost 1-2 | -161474 |
| 4block | 124 | Terasawa, Kazuya (1748) | Lost 0-2 | -131461 |
| 5block | 175 | Yamaguchi, Kei (1499) | Won 2-0 | +191480 |
| 6block | 112 | Oonishi, Tatsuya (1488) | Lost 0-2 | -181462 |
| top | average opponent: 1588record: 2-3 | new rating: 1462 | ||
| Grand Prix Detroit 2005 (BOK limited) | starting rating: 1444 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 97 | Markovic, Mike (1500) | Won 2-0 | +191463 |
| 2sealed | 91 | Clautice, Andy (1500) | Lost 0-2 | -171446 |
| 3sealed | 131 | Soi, Vivek (1500) | Won 2-0 | +191465 |
| 4sealed | 145 | Peters, Jeff (1534) | Won 2-1 | +191484 |
| 5sealed | 65 | Pelcak, John (1662) | Lost 0-2 | -141470 |
| top | average opponent: 1539record: 3-2 | new rating: 1470 | ||
| Grand Prix Detroit 2003 (Onslaught block) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1block | 28 | Savage, John (1470) | Won 2-0 | +171517 |
| 2block | 88 | Wojtowicz, Michael (1483) | Won 2-0 | +181535 |
| 3block | 6 | Hovis, Ryan (1538) | Lost 0-2 | -181517 |
| 4block | 164 | Novekoff, Jeff (1557) | Lost 0-2 | -171500 |
| 5block | 196 | Smallwood, Kent (1499) | Lost 0-2 | -181482 |
| 6block | 172 | Foster, Kirk (1447) | Lost 0-1 | -191463 |
| 7block | 146 | Zgrabik, Christopher (1431) | Lost 0-2 | -191444 |
| top | average opponent: 1489record: 2-5 | new rating: 1444 | ||