Rosum, Jonathan
Current rating: 2074 (#36)
Record: 110-62 (GP) / 16-14 (professional)
- 2015
- 2016
- 2017
- 2018
- 2019
- 2020
| Players Tour Online 2 (MTGA IKO standard) | starting rating: 2033 | |||
| round | table | opponent (rating) | result | Δrating |
| 1standard | 10 | Cuneo, Andrew (1956) | Lost 1-2 | -192014 |
| 2standard | 109 | Bolding, Hunter (1574) | Won 2-1 | +112025 |
| 3standard | 33 | Thanakit, Kevin (1717) | Won 2-1 | +122037 |
| 4standard | 30 | Sears, Isaac (2015) | Won 2-0 | +182055 |
| 5standard | 9 | Kiihne, Zachary (2171) | Won 2-0 | +202075 |
| 6standard | 5 | Burkett, Joseph (1713) | Won 2-0 | +112086 |
| 7standard | 14 | Lawson, Wade (1686) | Lost 1-2 | -242062 |
| 8standard | 11 | Diaz, Alberto (1784) | Won 2-0 | +132075 |
| 9standard | 5 | Droge, Kurtis (1673) | Won 2-1 | +112086 |
| 10standard | 2 | Murae, Ryuji (2065) | Won 2-1 | +172103 |
| 11standard | 6 | Warfield, Skyler (1739) | Lost 0-2 | -242079 |
| 12standard | 7 | Goetschel, Daniel (2049) | Won 2-1 | +172096 |
| 13standard | 8 | Sajgalik, Eduardo (2113) | Lost 0-2 | -172079 |
| 14standard | 14 | Phillips, Cedric (1870) | Won 2-0 | +142093 |
| 15standard | 7 | Baeckstrom, Andrew (2012) | Lost 1-2 | -192074 |
| top | average opponent: 1876record: 10-5 | new rating: 2074 | ||
| Grand Prix Phoenix 2020 (pioneer) | starting rating: 1955 | |||
| round | table | opponent (rating) | result | Δrating |
| 3pioneer | 133 | Wu, Timothy (1867) | Won 2-1 | +161971 |
| 4pioneer | 44 | Kiyonaga, Case (1908) | Won 2-1 | +171988 |
| 5pioneer | 36 | Weisrock, Mitchel (1647) | Won 2-0 | +122000 |
| 6pioneer | 10 | Quach, Peter (1803) | Won 2-0 | +152015 |
| 7pioneer | 6 | Weitz, Benjamin (2125) | Lost 0-2 | -161999 |
| 8pioneer | 44 | Cecil, Tommy (1596) | Won 2-1 | +112010 |
| 9pioneer | 16 | Watkins, Nicholas (1631) | Lost 1-2 | -251985 |
| 10pioneer | 3049 | Hampton, Jesse (1853) | Won 2-0 | +162001 |
| 11pioneer | 3024 | Beers, Shane (1576) | Won 2-1 | +102011 |
| 12pioneer | 3011 | Conrad, Dan (1724) | Won 2-1 | +132024 |
| 13pioneer | 3011 | Baker, Alec (1544) | Won 2-1 | +102034 |
| 14pioneer | 3003 | Hicks, Jackson (2206) | Won 2-1 | +212055 |
| 15pioneer | 3002 | Peters, Stephen (1856) | ID | 02055 |
| Qpioneer | Henriksen, Kyle (1839) | Lost 0-2 | -222033 | |
| top | average opponent: 1798record: 10-3-1 | new rating: 2033 | ||
| Players Tour Phoenix 2020 (pioneer) | starting rating: 1992 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 153 | Severa, Matt (1957) | Lost 1-2 | -181974 |
| 2draft | 105 | Sperling, Matthew (2052) | Won 2-0 | +191993 |
| 3draft | 151 | Costa, Matthew (1909) | Lost 0-2 | -191974 |
| 4pioneer | 110 | Christophel, Tyler (1485) | Won 2-1 | +91983 |
| 5pioneer | 72 | Allen, Nolan (1447) | Lost 1-2 | -271956 |
| 6pioneer | 123 | Turgeon, Zac (1648) | Won 2-1 | +131969 |
| 7pioneer | 70 | Mick, Maxwell (2200) | Lost 0-2 | -141955 |
| top | average opponent: 1814record: 3-4 | new rating: 1955 | ||
| Grand Prix New Jersey 2020 (THB limited) | starting rating: 1963 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 258 | Richey, Henry (1487) | Won 2-0 | +101973 |
| 4sealed | 48 | Mondello, Jake (1751) | Lost 0-2 | -221951 |
| 5sealed | 200 | Esquivel Nunez, Luis (1565) | Won 2-0 | +111962 |
| 6sealed | 179 | English, Eric (1824) | Lost 0-2 | -211941 |
| 7sealed | 129 | Turner, Tim (1743) | Won 2-1 | +151956 |
| 8sealed | 162 | Yatsenko, Alex (1506) | Won 2-1 | +101966 |
| 9sealed | 59 | Taylor, Dustin (1906) | Lost 1-2 | -191947 |
| 10draft | 130 | Coval, Brian (1799) | Won 2-1 | +151962 |
| 11draft | 78 | Abrams, Daniel (1800) | Lost 1-2 | -211941 |
| 12draft | 27 | Burns, Blake (1606) | Won 2-0 | +131954 |
| 13draft | 75 | Laporte, Gabryel (1659) | Won 2-0 | +121966 |
| 14draft | 63 | Abrams, Daniel (1821) | Won 2-0 | +161982 |
| 15draft | 63 | Bhayana, Milan (1548) | Won 2-1 | +101992 |
| top | average opponent: 1693record: 9-4 | new rating: 1992 | ||
| Grand Prix Richmond 2019 (ELD standard) | starting rating: 2027 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 158 | Renaud, Luke (1740) | Won 2-1 | +122039 |
| 4standard | 42 | Beniamino, David (1581) | Won 2-1 | +112050 |
| 5standard | 2 | Harding, Tommy (1811) | Won 2-0 | +132063 |
| 6standard | 6 | Bausch, Joshua (1977) | Lost 0-2 | -192044 |
| 7standard | 15 | Pyka, Jeffrey (1811) | Lost 0-2 | -222022 |
| 8standard | 84 | Aguzzi, Evan (1714) | Won 2-0 | +122034 |
| 9standard | 43 | Gellis, Dylan (1885) | Lost 0-2 | -212013 |
| 10standard | 48 | Beeghly, Devin (1614) | Lost 0-0 | -241989 |
| 11standard | 54 | Goodwin, Andrew (1567) | Lost 0-0 | -261963 |
| 12standard | 60 | Harless, Matthew (1582) | Won 2-1 | +121975 |
| 13standard | 55 | Hu, Yunyi (1637) | Won 2-1 | +121987 |
| 14standard | 44 | Johnson, Patrick (1642) | Lost 1-2 | -241963 |
| 15standard | 25 | Johnston, James (1660) | ID | 01963 |
| top | average opponent: 1709record: 6-6-1 | new rating: 1963 | ||
| Grand Prix Washington DC 2019 (MH1 limited) | starting rating: 1985 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 17 | Zhang, Yuxuan (1816) | Won 2-0 | +152000 |
| 4sealed | 50 | Barkon, Daniel (1707) | Won 2-0 | +132013 |
| 5sealed | 56 | Vorel, Andrew (1738) | Won 2-0 | +132026 |
| 6sealed | 23 | Krysiak, Steven (1548) | Won 2-0 | +102036 |
| 7sealed | 1 | O'Neil, Michael (1666) | Won 2-1 | +112047 |
| 8sealed | 6 | Ostroski, Michael (1872) | Won 2-1 | +152062 |
| 9sealed | 4 | Yu, Jarvis (1971) | Lost 1-2 | -192043 |
| 10draft | 52 | Ling, Matthew (1768) | Won 2-0 | +132056 |
| 11draft | 27 | Yu, Jarvis (1974) | Lost 0-2 | -202036 |
| 12draft | 50 | Sokol, Greg (1898) | Won 2-1 | +162052 |
| 13draft | 27 | Yu, Jarvis (1975) | Won 2-1 | +162068 |
| 14draft | 28 | Do, Dzi (1837) | Lost 1-2 | -222046 |
| 15draft | 22 | Rocco, Craig (1955) | Lost 1-2 | -192027 |
| top | average opponent: 1825record: 9-4 | new rating: 2027 | ||
| Grand Prix Providence 2018 (M19 standard) | starting rating: 1895 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 154 | Yu, Jarvis (1832) | Won 2-0 | +171912 |
| 4standard | 68 | Hoffman, Tomas (1535) | Lost 1-2 | -251887 |
| 5standard | 148 | Vidugiris, Gaudenis (1766) | Won 2-1 | +161903 |
| 6standard | 42 | Dupras, Nathan (1484) | Won 2-0 | +111914 |
| 7standard | 36 | Lebouthillier, Eric (1546) | Won 2-0 | +111925 |
| 8standard | 18 | Hamasoor, Delan (1527) | Won 2-0 | +111936 |
| 9standard | 16 | Manfield, Seth (2026) | Lost 0-2 | -161920 |
| 10standard | 24 | Hand, Dylan (1718) | Won 2-1 | +141934 |
| 11standard | 20 | Su, Bo (1874) | Won 2-1 | +171951 |
| 12standard | 15 | Syed, Zan (2016) | Won 2-0 | +201971 |
| 13standard | 11 | Jabs, Andrew (1777) | Won 2-1 | +141985 |
| 14standard | 5 | Zhou, Zirui (1818) | Lost 1-2 | -211964 |
| 15standard | 8 | Sigrist, Mike (2135) | Won 2-1 | +211985 |
| top | average opponent: 1773record: 10-3 | new rating: 1985 | ||
| Grand Prix Orlando 2018 (M19 standard) | starting rating: 1838 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 208 | DiGiallonardo, Nicola (1437) | Lost 0-2 | -251813 |
| 4standard | 162 | Garay, Chris (1550) | Won 2-1 | +131826 |
| 5standard | 70 | Syed, Zan (1987) | Lost 1-2 | -151811 |
| 6standard | 298 | Guan, Thomas Zhennan (1579) | Won 2-1 | +141825 |
| 7standard | 152 | Kuch, William (1554) | Won 2-1 | +131838 |
| 8standard | 121 | Herrera, Joseph (1675) | Won 2-0 | +151853 |
| 9standard | 43 | Anteri, Fabrizio (1781) | Lost 0-2 | -191834 |
| 10standard | 95 | Prieto, Luis Delfin (1688) | Won 2-1 | +151849 |
| 11standard | 72 | Baker, Nicholas (1570) | Lost 1-2 | -231826 |
| 12standard | 79 | Stankey, Matt (2036) | Won 2-0 | +221848 |
| 13standard | 56 | Bass, Ryan (1586) | Won 2-1 | +131861 |
| 14standard | 56 | Barich, Aaron (1953) | Won 2-1 | +201881 |
| 15standard | 40 | Terpening, Joshua (1647) | Won 2-1 | +141895 |
| top | average opponent: 1696record: 9-4 | new rating: 1895 | ||
| Grand Prix Hartford 2018 (modern) | starting rating: 1873 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 243 | Condemarin, Steven (1570) | Won 2-1 | +131886 |
| 4modern | 168 | Lagoe, David (1560) | Won 2-1 | +121898 |
| 5modern | 6 | Mendez, Paul (1524) | Lost 1-2 | -241874 |
| 6modern | 127 | Haversat, Jacob (1909) | Lost 1-2 | -181856 |
| 7modern | 316 | Zhou, Zirui (1838) | Lost 0-2 | -181838 |
| top | average opponent: 1680record: 2-3 | new rating: 1838 | ||
| Grand Prix Toronto 2018 (modern) | starting rating: 1753 | |||
| round | table | opponent (rating) | result | Δrating |
| 3modern | 342 | Titov, Gregory (1788) | Won 2-0 | +191772 |
| 4modern | 5 | Lee, Justin (1696) | Won 2-0 | +161788 |
| 5modern | 79 | Pardee, Samuel (1988) | Won 2-0 | +221810 |
| 6modern | 30 | Carle, Ian (1844) | Won 2-1 | +191829 |
| 7modern | 11 | Priest, Eli (1867) | Won 2-0 | +181847 |
| 8modern | 7 | Pileggi, Riccardo (1846) | Lost 1-2 | -181829 |
| 9modern | 9 | Champagne, Jeff (1775) | Won 2-1 | +171846 |
| 10modern | 12 | Weber, Ethan (1798) | Won 2-0 | +171863 |
| 11modern | 4 | Ward, Daniel (1904) | Won 2-1 | +191882 |
| 12modern | 7 | Burdzy, Walter (1670) | Won 2-0 | +141896 |
| 13modern | 3 | Dockrill, Chris (1700) | Lost 1-2 | -211875 |
| 14modern | 5 | Rowe, Jonathan (2048) | Won 2-1 | +211896 |
| 15modern | 2 | Zhang, Jonathan (1636) | Lost 0-2 | -231873 |
| top | average opponent: 1812record: 10-3 | new rating: 1873 | ||
| Grand Prix Atlanta 2017 (XLN standard) | starting rating: 1725 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 142 | Johns, Eric (1431) | Won 2-0 | +121737 |
| 4standard | 63 | Thornton, Dustin (1741) | Lost 1-2 | -171720 |
| 5standard | 260 | Syed, Zan (1731) | Lost 0-2 | -181702 |
| 6standard | 317 | Moore, Joshua (1484) | Won 2-0 | +141716 |
| 7standard | 225 | Williamson, Mason (1567) | Won 2-0 | +151731 |
| 8standard | 83 | Gordon, Shawn (1503) | Lost 0-2 | -221709 |
| 9standard | 177 | Bennett, Brandon (1554) | Won 2-1 | +151724 |
| 10standard | 126 | Hill, Leon (1512) | Lost 0-2 | -221702 |
| 11standard | 153 | Castro, Robert (1720) | Won 2-1 | +191721 |
| 12standard | 140 | Cooper, Kyle (1575) | Won 2-0 | +151736 |
| 13standard | 91 | Vorel, Andrew (1887) | Won 2-1 | +211757 |
| 14standard | 83 | Canepa Casabo, Adrian (1708) | Lost 1-2 | -191738 |
| 15standard | 99 | Maples, Derek (1580) | Won 2-0 | +151753 |
| top | average opponent: 1615record: 8-5 | new rating: 1753 | ||
| Grand Prix Montreal 2017 (AKH standard) | starting rating: 1676 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 2075 | Fortier, Elliot (1747) | Lost 0-2 | -171659 |
| 4standard | 2164 | Rioux-Richard, Adrien (1516) | Lost 1-2 | -201639 |
| 5standard | 2277 | Benedict, Justin (1467) | Won 2-1 | +151654 |
| 6standard | 2266 | Marmorato, Matthew (1431) | Won 2-0 | +141668 |
| 7standard | 2112 | Niskala, Trevor (1565) | Won 2-1 | +161684 |
| 8standard | 2122 | Voellmer, Andy (1804) | Lost 0-2 | -161668 |
| 9standard | 2124 | Hennick, Michael (1533) | Won 2-1 | +151683 |
| 10standard | 2133 | Pascal, Brandon (1881) | Won 2-0 | +221705 |
| 11standard | 2061 | Huang, Ray (1721) | Won 2-1 | +181723 |
| 12standard | 2046 | Sacks, Neal (1758) | Lost 0-2 | -171706 |
| 13standard | 2085 | St-Laurent, Jerome (1696) | Won 2-0 | +181724 |
| 14standard | 2066 | Maeba, Hideaki (1794) | Won 2-0 | +191743 |
| 15standard | 2039 | Dion, Marc-Antoine (1721) | Lost 0-2 | -181725 |
| top | average opponent: 1664record: 8-5 | new rating: 1725 | ||
| Grand Prix New Jersey 2017 (std) (AER standard) | starting rating: 1591 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 189 | DiMaria, Henry (1536) | Won 2-1 | +171608 |
| 4standard | 28 | An, Shuhan (1553) | Won 2-1 | +171625 |
| 5standard | 14 | Smith, Donald (1980) | Won 2-1 | +251650 |
| 6standard | 44 | Ritter, Kyle (1682) | Won 2-1 | +181668 |
| 7standard | 16 | Friedman, Ben (2042) | Lost 0-2 | -111657 |
| 8standard | 27 | Mancuso, Damien (1627) | Won 2-0 | +171674 |
| 9standard | 9 | Magaddino, Salvatore (1661) | Lost 0-2 | -181656 |
| 10standard | 97 | Belanger, Maxim (1918) | Won 2-0 | +231679 |
| 11standard | 42 | DeiDolori, Michael (1832) | Won 2-0 | +201699 |
| 12standard | 33 | Sturm, Nate (1887) | Lost 1-2 | -141685 |
| 13standard | 67 | Morawski, Jonathan (1966) | Lost 1-2 | -131672 |
| 14standard | 98 | Ferreira, Cristian (1569) | Won 2-0 | +161688 |
| 15standard | 42 | Walker, Noah (2036) | Lost 0-2 | -121676 |
| top | average opponent: 1792record: 8-5 | new rating: 1676 | ||
| Grand Prix Pittsburgh 2017 (AER standard) | starting rating: 1641 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 239 | Hull, Ben (1971) | Lost 0-2 | -121629 |
| 4standard | 410 | Kovac, Chase (1835) | Won 2-1 | +221651 |
| 5standard | 261 | Campbell, Eric (1603) | Lost 1-2 | -191632 |
| 6standard | 243 | Lewis, Donald (1534) | Lost 0-2 | -201612 |
| 7standard | 333 | Morton, Andrew (1455) | Lost 0-2 | -211591 |
| top | average opponent: 1679record: 1-4 | new rating: 1591 | ||
| Pro Tour Kaladesh (KLD standard) | starting rating: 1665 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 206 | Kozal, Tyler (1801) | Won 2-1 | +211686 |
| 2draft | 94 | Pell, Kynan (1605) | Lost 1-2 | -201666 |
| 3draft | 44 | Katagiri, Akihito (1613) | Won 2-1 | +171683 |
| 4standard | 74 | Fischer, Brandon (1998) | Lost 1-2 | -121671 |
| 5standard | 79 | Ishida, Ryuichiro (1452) | Won 2-1 | +141685 |
| 6standard | 70 | Burkhart, Corey (1860) | Lost 0-2 | -151670 |
| 7standard | 123 | Betesh, Ralph (1950) | Lost 1-2 | -131657 |
| 8standard | 139 | Juza, Martin (1798) | Lost 1-2 | -161641 |
| top | average opponent: 1760record: 3-5 | new rating: 1641 | ||
| Grand Prix Pittsburgh 2016 (SOI standard) | starting rating: 1612 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 83 | Scisciani, Justin (1546) | Won 2-0 | +161628 |
| 4standard | 11 | Calcano, Christian (1944) | Won 2-1 | +241652 |
| 5standard | 68 | Goss, Jon (1725) | Lost 1-2 | -171635 |
| 6standard | 113 | Harper, James (1565) | Lost 0-2 | -191616 |
| 7standard | 166 | Buchholz, Evan (1682) | Lost 1-2 | -171599 |
| 8standard | 256 | McLaughlin, Morgan (1711) | Won 2-1 | +201619 |
| 9standard | 185 | Lewis, Christopher (1509) | Won 2-1 | +161635 |
| 10standard | 379 | Stokes, Shane (1561) | Won 2-0 | +171652 |
| 11standard | 355 | Broman, Tim (1524) | Lost 1-2 | -201632 |
| 12standard | 390 | Rashid, Taimur (1558) | Won 2-1 | +161648 |
| 13standard | 347 | Valk, Reggie (1566) | Won 2-0 | +171665 |
| 14standard | 331 | Giles, Devon (1662) | Lost 1-2 | -181647 |
| 15standard | 349 | Boyce, Jon (1664) | Won 2-1 | +181665 |
| top | average opponent: 1632record: 8-5 | new rating: 1665 | ||
| Grand Prix New York 2016 (SOI standard) | starting rating: 1536 | |||
| round | table | opponent (rating) | result | Δrating |
| 3standard | 103 | Fay, Timothy (1736) | Won 2-0 | +211557 |
| 4standard | 66 | Goldstein, Scott (1715) | Won 2-0 | +211578 |
| 5standard | 38 | Madsen, Benton (1540) | Won 2-1 | +171595 |
| 6standard | 26 | Hurtado, Oscar (1528) | Won 2-0 | +171612 |
| 7standard | 3 | Ayers, Brandon (1980) | Lost 1-2 | -111601 |
| 8standard | 89 | Plamondon, Brandon (1672) | Won 2-0 | +191620 |
| 9standard | 18 | Campo, Terrence (1643) | Lost 0-2 | -181602 |
| 10standard | 42 | Robinson, Denys (1606) | Won 2-1 | +181620 |
| 11standard | 30 | Ritter, Kyle (1609) | Won 2-0 | +181638 |
| 12standard | 36 | Edel, Willy (1825) | Lost 1-2 | -141624 |
| 13standard | 36 | Kiihne, Zachary (1737) | Lost 0-2 | -161608 |
| 14standard | 126 | Ansorge, Ethan (1691) | Won 2-1 | +191627 |
| 15standard | 50 | Cotrupe, Matthew (1763) | Lost 0-2 | -151612 |
| top | average opponent: 1696record: 8-5 | new rating: 1612 | ||
| Grand Prix Providence 2015 (DTK standard) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 2standard | 226 | Manly, Trevor (1498) | Won 2-0 | +181518 |
| 3standard | 109 | Ravitz, Joshua (1925) | Lost 0-2 | -111507 |
| 4standard | 212 | Bridges, Shaun (1517) | Won 2-1 | +181525 |
| 5standard | 78 | Belknap, Graham (1546) | Won 2-0 | +191544 |
| 6standard | 86 | Bard, Jacob (1623) | Won 2-1 | +191563 |
| 7standard | 70 | Turtenwald, Owen (2034) | Lost 0-2 | -101553 |
| 8standard | 63 | Welsch, Charles (1592) | Lost 1-2 | -171536 |
| top | average opponent: 1676record: 4-3 | new rating: 1536 | ||