Griffin, Matthew [NZL]
Current rating: 1621
Record: 31-21 (GP) / 23-29-2 (professional)
| Grand Prix Sydney 2019 (RNA limited) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 124 | Chen, David (1473) | Won 2-0 | +151648 |
| 2sealed | 63 | Avis, Benjamin (1443) | Lost 1-2 | -221626 |
| 3sealed | 120 | Likht, Richard (1642) | Lost 1-2 | -171609 |
| 4sealed | 210 | Jamieson, Chris (1540) | Won 2-0 | +161625 |
| 5sealed | 153 | McEwan, Kaylee (1500) | Won 2-0 | +161641 |
| 6sealed | 102 | Pell, Kynan (1527) | Lost 1-2 | -201621 |
| top | average opponent: 1521record: 3-3 | new rating: 1621 | ||
| Grand Prix Brisbane 2017 (modern) | starting rating: 1675 | |||
| round | table | opponent (rating) | result | Δrating |
| 1modern | 308 | Buck, Ryan (1446) | Won 2-0 | +141689 |
| 2modern | 98 | McEvoy, Joseph (1518) | Lost 1-2 | -211668 |
| 3modern | 370 | Smith, Nathaniel [AUS] (1365) | Won 2-0 | +131681 |
| 4modern | 171 | Kingsman, Liam (1454) | Lost 1-2 | -221659 |
| 5modern | 309 | Chatellier, Colin (1504) | Won 2-0 | +151674 |
| 6modern | 197 | Lee, Joon Soo (1765) | Lost 0-2 | -161658 |
| 7modern | 312 | Zhou, Mark (1556) | Lost 1-2 | -201638 |
| 8modern | 259 | Gu, Xing Ye (1417) | Won 2-0 | +141652 |
| 9modern | 222 | Arthur, Patrick (1597) | Lost 0-2 | -191633 |
| top | average opponent: 1513record: 4-5 | new rating: 1633 | ||
| Grand Prix Auckland 2015 (FRF limited) | starting rating: 1698 | |||
| round | table | opponent (rating) | result | Δrating |
| 2sealed | 56 | Van Leeuwen, Vincent (1484) | Won 2-0 | +141712 |
| 3sealed | 21 | Mccreath, Cayle (1500) | Lost 0-2 | -221690 |
| 4sealed | 119 | Habberfield-Short, Louis (1519) | Lost 0-2 | -211669 |
| 5sealed | 129 | Yeung, Leo (1498) | Won 2-0 | +151684 |
| 6sealed | 85 | Cameron, Iain (1526) | Won 2-0 | +151699 |
| 7sealed | 59 | Damilatis, Nathan (1718) | Lost 0-2 | -171682 |
| 8sealed | 87 | barrett-hogg, Colin (1517) | Lost 1-2 | -211661 |
| 9sealed | 77 | Rose, Michael J (1477) | Won 2-1 | +141675 |
| top | average opponent: 1530record: 4-4 | new rating: 1675 | ||
| Pro Tour Khans of Tarkir (KTK standard) | starting rating: 1723 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 23 | Karsten, Frank (2028) | Lost 0-2 | -121711 |
| 2draft | 85 | Jordan, Daniel (1947) | Won 2-0 | +221733 |
| 3draft | 116 | Cox, Patrick (1996) | Won 2-1 | +221755 |
| 4standard | 79 | Kakumae, Teruya (1885) | Lost 1-2 | -151740 |
| 5standard | 103 | Van Etten, Bart (1632) | Won 2-1 | +161756 |
| 6standard | 40 | Jetha, David (1565) | Won 2-0 | +141770 |
| 7standard | 23 | Royer, Danny (1692) | Won 2-1 | +171787 |
| 8standard | 31 | Garcia Gonzalez, Sergio (1728) | Lost 1-2 | -191768 |
| 9draft | 32 | Haughey, Colin (1535) | Won 2-1 | +141782 |
| 10draft | 85 | Eleyet, Bryan (1803) | Lost 0-2 | -181764 |
| 11draft | 62 | Oks, Oliver (1907) | Lost 0-2 | -151749 |
| 12standard | 65 | Gorbunov, Igor (1824) | Lost 0-2 | -171732 |
| 13standard | 94 | Gay, Randall (1563) | Lost 0-2 | -211711 |
| 14standard | 91 | Stern, Jon (1921) | Lost 1-2 | -141697 |
| 15standard | 82 | Boswell, Andrew (1879) | Lost 1-2 | -151682 |
| 16standard | 77 | Shah Ahmad, Izwan (1569) | Won 2-1 | +161698 |
| top | average opponent: 1780record: 7-9 | new rating: 1698 | ||
| Grand Prix Sydney 2014 (M15 limited) | starting rating: 1525 | |||
| round | table | opponent (rating) | result | Δrating |
| 1sealed | 211 | Jenner-O'Shea, Oliver (1462) | Won 2-0 | +171542 |
| 2sealed | 120 | Collette, James (1471) | Won 2-0 | +171559 |
| 3sealed | 93 | Lock, Levon (1560) | Won 2-1 | +181577 |
| 4sealed | 39 | Thatcher, Simon (1638) | Won 2-1 | +191596 |
| 5sealed | 1 | Stewart, Jack (1544) | Won 2-1 | +171613 |
| 6sealed | 6 | Ho, Keene (1620) | Won 2-0 | +181631 |
| 7sealed | 2 | Hayne, Alexander (2046) | Won 2-1 | +251656 |
| 8sealed | 4 | Sheehan, Anthony (1629) | Won 2-0 | +181674 |
| 9sealed | 2 | Jackson, Paul (1863) | Won 2-1 | +211695 |
| 10draft | 40 | Sparks, Chris (1606) | Lost 0-2 | -191676 |
| 11draft | 37 | Cameron, Maitland (1741) | Lost 1-2 | -171659 |
| 12draft | 20 | Phung, Andy (1574) | Won 2-0 | +161675 |
| 13draft | 32 | Phillips, Russell [AUS] (1760) | Won 2-1 | +201695 |
| 14draft | 13 | Kelly, John-Paul (1891) | Won 2-0 | +211716 |
| 15draft | 28 | Zhang, James (1845) | ID | 01716 |
| Qdraft | van Ravenzwaaij, Don (1906) | Won 2-0 | +221738 | |
| Sdraft | Jackson, Paul (1925) | Lost 0-2 | -151723 | |
| top | average opponent: 1711record: 13-3-1 | new rating: 1723 | ||
| Grand Prix Auckland 2012 (RTR standard) | starting rating: 1506 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 81 | Naisbitt, Michael (1500) | Won 2-1 | +181524 |
| 2standard | 56 | Caunter, Robert (1568) | Lost 0-2 | -171507 |
| 3standard | 85 | Laird, Kelly (1500) | Lost 1-2 | -181489 |
| 4standard | 110 | Millar, Douglas (1424) | Won 2-0 | +171506 |
| 5standard | 73 | Holland, Michael [NZL] (1499) | Won 2-1 | +171523 |
| 6standard | 52 | Gordon, Hamish (1643) | Won 2-1 | +211544 |
| 7standard | 39 | Markovic, Sasha (1531) | Lost 0-2 | -191525 |
| top | average opponent: 1523record: 4-3 | new rating: 1525 | ||
| 2009 World Championship (mixed) | starting rating: 1537 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 54 | Sanchez, Eugeni (1933) | Lost 0-2 | -111526 |
| 2standard | 145 | Kulbych, Ivan (1492) | Won 2-1 | +181544 |
| 3standard | 58 | Webb, Taylor (1655) | Lost 1-2 | -161528 |
| 4standard | 127 | Kitayama, Masaya (1886) | Lost 0-2 | -121516 |
| 5standard | 181 | Thor, Patrik (1529) | Lost 1-2 | -181498 |
| 6standard | 173 | Tolokolnikov, Alexey (1453) | Won 2-1 | +171515 |
| 7draft | 2 | Martinez Silhy, Carlos (1498) | Won 2-0 | +181533 |
| 8draft | 42 | Cano, Jonathan (1509) | Lost 1-2 | -181515 |
| 9draft | 163 | Krzikalla, Olaf (1626) | Lost 1-2 | -161499 |
| 10draft | 31 | Havron, Boaz (1501) | Lost 0-2 | -181481 |
| 12draft | 159 | Luksic, Ivan (1429) | Lost 0-2 | -191462 |
| 13extended | 160 | Dietz, Christian (1404) | Won 2-1 | +171479 |
| 14extended | 155 | Voda, Bogdan (1462) | Won 2-0 | +171496 |
| 15extended | 119 | Menten, Robbert (1735) | Won 2-1 | +231519 |
| 16extended | 126 | Sakaguchi, Naoki (1482) | Draw 1-1 | -11518 |
| 17extended | 109 | Williams, David A (1748) | Draw 1-1 | +41522 |
| 18extended | 119 | Gardner, Daniel J [ENG] (1632) | Lost 1-2 | -161506 |
| top | average opponent: 1587record: 6-9-2 | new rating: 1506 | ||
| Pro Tour Austin 2009 (extended) | starting rating: 1586 | |||
| round | table | opponent (rating) | result | Δrating |
| 1extended | 198 | Mize, Logan (1590) | Lost 1-2 | -181568 |
| 2extended | 130 | Stark, Ben S (1875) | Lost 1-2 | -131555 |
| 3extended | 180 | Celis, Felix Angel (1464) | Lost 0-2 | -201535 |
| 4extended | 201 | Senneway, Bill (1465) | Won 2-1 | +171552 |
| 5extended | 180 | Ostrovich, Diego (1736) | Lost 0-2 | -151537 |
| top | average opponent: 1626record: 1-4 | new rating: 1537 | ||
| Grand Prix Auckland 2008 (ALA limited) | starting rating: 1588 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 13 | Kimpton, Sean M (1536) | Won 2-1 | +171605 |
| 4sealed | 22 | Wootton, Nigel (1554) | Won 2-0 | +171622 |
| 5sealed | 4 | Nicastri, Aaron (1680) | Lost 0-2 | -171605 |
| 6sealed | 23 | Combs, Joseph E (1536) | Lost 0-2 | -191586 |
| 7sealed | 52 | Ermen, Jonas (1507) | Won 2-1 | +171603 |
| 8draft | 32 | Rayson, Shawn (1648) | Lost 0-2 | -171586 |
| top | average opponent: 1577record: 3-3 | new rating: 1586 | ||
| Pro Tour Hollywood 2008 (SHM standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 115 | Sittner, Alex (1691) | Lost 1-2 | -151485 |
| 2standard | 123 | Mowshowitz, Zvi (1811) | Won 2-0 | +241509 |
| 3standard | 103 | Webb, Taylor (1781) | Won 2-1 | +231532 |
| 4standard | 83 | Nystrom, Per (1644) | Won 2-1 | +201552 |
| 5standard | 38 | Potovin, Nikolay (1919) | Lost 0-2 | -121540 |
| 6standard | 82 | DeTora, Melissa (1831) | Won 2-1 | +241564 |
| 7standard | 55 | Nighbor, Chris (1525) | Won 2-1 | +171581 |
| 8standard | 34 | Woo, Travis (1637) | Won 2-0 | +191600 |
| 9standard | 17 | Bucher, Manuel (1929) | Lost 1-2 | -121588 |
| 10standard | 29 | Ootsuka, Koutarou (2014) | Won 0-0 | +251613 |
| 11standard | 29 | Bohny, Nico (1893) | Lost 1-2 | -131600 |
| 12standard | 23 | Bustamante, Felipe (1588) | Lost 1-2 | -181582 |
| 13standard | 51 | Aoki, Ryousuke (1709) | Won 2-0 | +201602 |
| 14standard | 42 | Penick, John (1664) | Lost 1-2 | -171585 |
| 15standard | 44 | Sullivan, Adrian (1717) | Lost 1-2 | -151570 |
| 16standard | 42 | Thibeault, Vincent (1606) | Won 2-0 | +181588 |
| top | average opponent: 1747record: 9-7 | new rating: 1588 | ||