Liam Johnston
BY YEAR
| Italian Open | EUR | 43 | 2020 | MC | - | 1 | - | 632nd |
| Scottish Championship presented by AXA | EUR | 42 | 2020 | MC | - | 1 | - | 625th |
| Dubai Duty Free Irish Open | EUR | 39 | 2020 | MC | - | 1 | - | 593rd |
| Open de Portugal at Royal Obidos | CHA,EUR | 38 | 2020 | MC | - | 1 | - | 582nd |
| Portugal Masters | EUR | 37 | 2020 | T14 | 1.87 | 1 | 1.87 | 579th |
| ISPS HANDA UK Championship | EUR | 35 | 2020 | 63 | - | 1 | - | 617th |
| ISPS HANDA Wales Open | EUR | 34 | 2020 | T15 | 1.98 | 1 | 1.98 | 608th |
| Celtic Classic | EUR | 33 | 2020 | MC | - | 1 | - | 685th |
| English Championship | EUR | 32 | 2020 | MC | - | 1 | - | 671st |
| Hero Open | EUR | 31 | 2020 | MC | - | 1 | - | 649th |
| Dimension Data Pro-Am | AFR,CHA | 7 | 2020 | MC | - | 0.8696 | - | 511st |
| RAM Cape Town Open | AFR,CHA | 6 | 2020 | MC | - | 0.8587 | - | 504th |
| Limpopo Championship | AFR,CHA | 5 | 2020 | MC | - | 0.8478 | - | 487th |
| Portugal Masters | EUR | 43 | 2019 | T40 | - | 0.6957 | - | 422nd |
| Amundi Open de France | EUR | 42 | 2019 | T61 | - | 0.6848 | - | 418th |
| Italian Open | EUR | 41 | 2019 | MC | - | 0.6739 | - | 411st |
| Mutuactivos Open de España | EUR | 40 | 2019 | MC | - | 0.663 | - | 389th |
| Alfred Dunhill Links Championship | EUR | 39 | 2019 | T61 | - | 0.6522 | - | 381st |
| KLM Open | EUR | 37 | 2019 | T15 | 1.98 | 0.6304 | 1.25 | 365th |
| Porsche European Open | EUR | 36 | 2019 | MC | - | 0.6196 | - | 387th |
| Omega European Masters | EUR | 35 | 2019 | T61 | - | 0.6087 | - | 381st |
| Scandinavian Invitation | EUR | 34 | 2019 | MC | - | 0.5978 | - | 356th |
| D+D Real Czech Masters | EUR | 33 | 2019 | T5 | 4.46 | 0.587 | 2.62 | 338th |
| Aberdeen Standard Investments Scottish Open | EUR | 28 | 2019 | MC | - | 0.5326 | - | 372nd |
| Dubai Duty Free Irish Open | EUR | 27 | 2019 | T64 | - | 0.5217 | - | 357th |
| Estrella Damm N.A. Andalucía Masters hosted by the Sergio Garcia Foundation | EUR | 26 | 2019 | MC | - | 0.5109 | - | 344th |
| BMW International Open | EUR | 25 | 2019 | MC | - | 0.5 | - | 328th |
| Belgian Knockout | EUR | 22 | 2019 | MC | - | 0.4674 | - | 302nd |
| Made in Denmark presented by FREJA | EUR | 21 | 2019 | MC | - | 0.4565 | - | 287th |
| Betfred British Masters | EUR | 19 | 2019 | T42 | - | 0.4348 | - | 274th |
| Volvo China Open | ASA,EUR | 18 | 2019 | MC | - | 0.4239 | - | 260th |
| Trophee Hassan II | EUR | 17 | 2019 | MC | - | 0.413 | - | 249th |
| Magical Kenya Open presented by Absa | EUR | 11 | 2019 | 8 | 3.84 | 0.3478 | 1.34 | 229th |
| Commercial Bank Qatar Masters | EUR | 10 | 2019 | T38 | - | 0.337 | - | 259th |
| Oman Open | EUR | 9 | 2019 | MC | - | 0.3261 | - | 257th |
| ISPS HANDA World Super 6 Perth | ANZ,ASA,EUR | 7 | 2019 | MC | - | 0.3043 | - | 251st |
| ISPS Handa Vic Open | ANZ,EUR | 6 | 2019 | MC | - | 0.2935 | - | 249th |
| Saudi International powered by SBIA | EUR | 5 | 2019 | T30 | 2.09 | 0.2826 | 0.59 | 245th |
| Abu Dhabi HSBC Championship Presented by EGA | EUR | 3 | 2019 | MC | - | 0.2609 | - | 250th |
| Alfred Dunhill Championship | AFR,EUR | 50 | 2018 | MC | - | 0.2065 | - | 247th |
| South African Open | AFR,EUR | 49 | 2018 | MC | - | 0.1957 | - | 245th |
| Afrasia Bank Mauritius Open at Anahita | AFR,ASA,EUR | 48 | 2018 | MC | - | 0.1848 | - | 243rd |
| Honma Hong Kong Open presented by Amundi | ASA,EUR | 47 | 2018 | 72 | - | 0.1739 | - | 239th |
| Ras Al Khaimah Challenge Tour Grand Final | CHA | 44 | 2018 | T17 | 1.32 | 0.1413 | 0.19 | 232nd |
| Foshan Open | CHA,CHN | 42 | 2018 | MC | - | 0.1196 | - | 244th |
| Hainan Open | CHA,CHN | 41 | 2018 | T32 | - | 0.1087 | - | 238th |
| Alfred Dunhill Links Championship | EUR | 40 | 2018 | MC | - | 0.0978 | - | 234th |
| Kazakhstan Open | CHA | 37 | 2018 | 1 | 13.00 | 0.0652 | 0.85 | 230th |
| Bridgestone Challenge | CHA | 36 | 2018 | MC | - | 0.0543 | - | 403rd |
| Rolex Trophy | CHA | 34 | 2018 | T33 | - | 0.0326 | - | 399th |
| Galgorm Resort & Spa Northern Ireland Open, presented by Modest! Golf | CHA | 33 | 2018 | MC | - | 0.0217 | - | 394th |