Steven Jeffress
BY YEAR
| Australian PGA Championship | ANZ,EUR | 48 | 2018 | MC | - | 1 | - | 491st |
| Emirates Australian Open | ANZ | 46 | 2018 | T23 | 1.73 | 1 | 1.73 | 484th |
| AVJennings NSW Open | ANZ | 45 | 2018 | T26 | - | 1 | - | 521st |
| Isuzu Queensland Open | ANZ | 44 | 2018 | 3 | 2.40 | 1 | 2.4 | 519th |
| Panasonic Open India | ASA | 43 | 2018 | T10 | 1.68 | 1 | 1.68 | 602nd |
| Victorian PGA Championship | ANZ | 41 | 2018 | T16 | - | 1 | - | 662nd |
| Yeangder TPC | ASA | 40 | 2018 | T59 | - | 1 | - | 649th |
| Mercuries Taiwan Masters | ASA | 39 | 2018 | MC | - | 1 | - | 638th |
| The 34th Shinhan Donghae Open | ASA,KOR | 37 | 2018 | MC | - | 1 | - | 623rd |
| MMC Northern Territory PGA Championship | ANZ | 33 | 2018 | MC | - | 0.9565 | - | 598th |
| Fiji International presented by Fiji Airways | ANZ,ASA | 31 | 2018 | T11 | 1.81 | 0.9348 | 1.69 | 579th |
| Royal Cup | ASA | 30 | 2018 | MC | - | 0.9239 | - | 653rd |
| Bank BRI Indonesia Open | ASA | 28 | 2018 | T13 | 1.43 | 0.9022 | 1.29 | 637th |
| Sarawak Championship | ASA | 27 | 2018 | MC | - | 0.8913 | - | 708th |
| Queen's Cup presented by Bangchak | ASA | 26 | 2018 | T50 | - | 0.8804 | - | 696th |
| Thailand Open | ASA | 23 | 2018 | MC | - | 0.8478 | - | 669th |
| Asia-Pacific Classic | ASA,CHN | 20 | 2018 | T21 | - | 0.8152 | - | 626th |
| AB Bank Bangladesh Open | ASA | 19 | 2018 | T60 | - | 0.8043 | - | 614th |
| SP PNG Golf Open | ANZ | 17 | 2018 | T22 | - | 0.7826 | - | 602nd |
| ISPS HANDA New Zealand Open | ANZ,ASA | 9 | 2018 | T29 | - | 0.6957 | - | 591st |
| Coca-Cola QLD PGA Championship | ANZ | 7 | 2018 | T2 | 3.50 | 0.6739 | 2.36 | 584th |
| ISPS Handa World Super 6 Perth | ANZ,ASA,EUR | 6 | 2018 | MC | - | 0.663 | - | 733rd |
| Oates Vic Open | ANZ | 5 | 2018 | T5 | 3.52 | 0.6522 | 2.3 | 725th |
| Emirates Australian Open | ANZ | 47 | 2017 | 67 | - | 0.5435 | - | 947th |
| NSW Open Championship | ANZ | 46 | 2017 | T67 | - | 0.5326 | - | 939th |
| Isuzu Queensland Open | ANZ | 43 | 2017 | MC | - | 0.5 | - | 927th |
| Northern Territory PGA Championship | ANZ | 35 | 2017 | T6 | 1.20 | 0.413 | 0.5 | 862nd |
| Fiji International | ANZ,ASA | 33 | 2017 | MC | - | 0.3913 | - | 934th |
| Dunlop SRIXON Fukushima Open | JPN | 30 | 2017 | MC | - | 0.3587 | - | 906th |
| 60th Kolon Korea Open | KOR,ONE | 22 | 2017 | T30 | - | 0.2717 | - | 816th |
| The 36th GS Caltax Maekyung Open | KOR,ONE | 18 | 2017 | MC | - | 0.2283 | - | 786th |
| Volvo China Open | EUR | 17 | 2017 | MC | - | 0.2174 | - | 780th |
| Coca-Cola QLD PGA Championship | ANZ | 11 | 2017 | T35 | - | 0.1522 | - | 768th |
| ISPS HANDA New Zealand Open | ANZ | 10 | 2017 | T37 | - | 0.1413 | - | 767th |
| ISPS Handa World Super 6 Perth | ANZ,ASA,EUR | 7 | 2017 | 6 | 4.60 | 0.1087 | 0.5 | 767th |
| Oates Vic Open | ANZ | 6 | 2017 | MC | - | 0.0978 | - | 1273rd |
| Victorian PGA Championship | ANZ | 5 | 2017 | T27 | - | 0.087 | - | 1265th |