Sirkis, Jeff
Current rating: 1647
Record: 24-14-1 (GP) / 2-5 (professional)
| Grand Prix Atlanta 2019 (legacy) | starting rating: 1701 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 253 | Henry, Anthony (1248) | Lost 0-2 | -251676 |
| 2legacy | 347 | O'Hara, Jordan (1481) | Lost 1-2 | -221654 |
| 3legacy | 475 | Caudill, Justin (1434) | Won 2-0 | +141668 |
| 4legacy | 400 | Nesbitt, Neal (1484) | Lost 1-2 | -211647 |
| top | average opponent: 1412record: 1-3 | new rating: 1647 | ||
| Grand Prix Charlotte 2015 (modern) | starting rating: 1592 | |||
| round | table | opponent (rating) | result | Δrating |
| 2modern | 1399 | Ralph, Clayton (1518) | Won 2-0 | +161608 |
| 3modern | 1398 | Manner, Joey (1786) | Won 2-1 | +221630 |
| 4modern | 1323 | Blackmore, Austin (1634) | Won 2-0 | +181648 |
| 5modern | 1096 | Lates, Christopher (1525) | Lost 0-2 | -211627 |
| 6modern | 1101 | Becker, Eric C (1814) | Lost 1-2 | -141613 |
| 7modern | 1093 | Sigwalt, Donald L (1539) | Won 2-1 | +161629 |
| 8modern | 882 | Esposito, Michael (1648) | Won 2-1 | +191648 |
| 9modern | 744 | Grendell, James (1595) | Won 2-0 | +171665 |
| 10modern | 720 | Paskuly, Mark (1562) | Lost 1-2 | -201645 |
| 11modern | 731 | Brister, Tripp (1553) | Won 2-0 | +161661 |
| 12modern | 716 | Walter, Royce (1875) | Lost 0-2 | -141647 |
| 13modern | 714 | Rhom, Casey (1564) | Won 2-1 | +171664 |
| 14modern | 712 | Tenjum, Andrew (1901) | Won 2-0 | +221686 |
| 15modern | 700 | Throop, Adrian (1554) | Won 2-0 | +151701 |
| top | average opponent: 1648record: 10-4 | new rating: 1701 | ||
| Pro Tour Khans of Tarkir (KTK standard) | starting rating: 1633 | |||
| round | table | opponent (rating) | result | Δrating |
| 1draft | 173 | Thiele, Fabian (1633) | Lost 0-2 | -181615 |
| 2draft | 57 | Hovanec, Wesley (1767) | Lost 1-2 | -151600 |
| 3draft | 167 | Daniel, David (1741) | Won 2-1 | +211621 |
| 4standard | 126 | Oks, Oliver (1862) | Lost 0-2 | -141607 |
| 5standard | 129 | Vinci, Stefano (1552) | Lost 0-2 | -191588 |
| 6standard | 157 | Mok, Wilson (1629) | Won 2-1 | +191607 |
| 7standard | 121 | Cheng, Tung-Yi (1776) | Lost 0-2 | -151592 |
| top | average opponent: 1709record: 2-5 | new rating: 1592 | ||
| Grand Prix Orlando 2014 (KTK limited) | starting rating: 1518 | |||
| round | table | opponent (rating) | result | Δrating |
| 3sealed | 150 | McDarby, David (1745) | Lost 1-2 | -141504 |
| 4sealed | 256 | Schreier, Todd (1484) | Won 0-0 | +181522 |
| 5sealed | 76 | Samuels III, Donald E (1502) | Won 2-0 | +181540 |
| 6sealed | 60 | Rosen, Richard (1597) | Won 2-1 | +191559 |
| 7sealed | 67 | Berger, Maximilien (1725) | Won 2-1 | +211580 |
| 8sealed | 15 | Didona, Jonata (1550) | Won 2-0 | +171597 |
| 9sealed | 19 | Avendano, Ivan (1615) | Won 2-1 | +181615 |
| 10draft | 63 | DeTora, Melissa (1864) | Lost 0-2 | -131602 |
| 11draft | 79 | Stark, Ben S (1913) | Lost 1-2 | -131589 |
| 12draft | 77 | Hill, Max (1605) | Won 2-0 | +191608 |
| 13draft | 65 | Landriz, Erik (1903) | Lost 1-2 | -131595 |
| 14draft | 15 | Ascalon, Jason (1711) | Won 2-0 | +201615 |
| 15draft | 32 | Nguyen, Minh (1627) | Won 2-0 | +181633 |
| top | average opponent: 1680record: 9-4 | new rating: 1633 | ||
| Grand Prix Indianapolis 2012 (legacy) | starting rating: 1500 | |||
| round | table | opponent (rating) | result | Δrating |
| 1legacy | 168 | Acre, Timothy (1500) | Lost 1-2 | -181482 |
| 2legacy | 408 | BERUBE, JOHNATHON (1482) | Won 2-0 | +181500 |
| 3legacy | 357 | Lohse, Andrew (1500) | Draw 1-1 | 01500 |
| 4legacy | 415 | Switzer, Paul (1527) | Won 2-0 | +181518 |
| 5legacy | 296 | McCullum, Brock (1516) | Won 2-1 | +181536 |
| 6legacy | 202 | Versteeg, Carl (1485) | Lost 1-2 | -181518 |
| 7legacy | 283 | Freas, Gerald (1530) | Won 2-1 | +181536 |
| 8legacy | 189 | Weinandy, Josh (1565) | Lost 0-2 | -181518 |
| top | average opponent: 1513record: 4-3-1 | new rating: 1518 | ||