Ashley Chesters
BY YEAR
| Betfred British Masters | EUR | 19 | 2019 | T42 | - | 1 | - | 334th |
| Trophee Hassan II | EUR | 17 | 2019 | T38 | - | 1 | - | 313rd |
| Hero Indian Open | ASA,EUR | 13 | 2019 | T25 | - | 1 | - | 300th |
| Maybank Championship | ASA,EUR | 12 | 2019 | MC | - | 1 | - | 289th |
| Commercial Bank Qatar Masters | EUR | 10 | 2019 | T62 | - | 1 | - | 285th |
| Oman Open | EUR | 9 | 2019 | T9 | 3.36 | 1 | 3.36 | 278th |
| ISPS HANDA World Super 6 Perth | ANZ,ASA,EUR | 7 | 2019 | MC | - | 0.9891 | - | 295th |
| ISPS Handa Vic Open | ANZ,EUR | 6 | 2019 | T12 | 2.06 | 0.9783 | 2.02 | 289th |
| Saudi International powered by SBIA | EUR | 5 | 2019 | MC | - | 0.9674 | - | 308th |
| Omega Dubai Desert Classic | EUR | 4 | 2019 | T67 | - | 0.9565 | - | 306th |
| Abu Dhabi HSBC Championship Presented by EGA | EUR | 3 | 2019 | MC | - | 0.9457 | - | 306th |
| Honma Hong Kong Open presented by Amundi | ASA,EUR | 47 | 2018 | T14 | 2.70 | 0.8587 | 2.32 | 288th |
| Nedbank Golf Challenge Hosted by Gary Player | EUR | 45 | 2018 | T67 | - | 0.837 | - | 300th |
| Turkish Airlines Open | EUR | 44 | 2018 | T47 | - | 0.8261 | - | 289th |
| Andalucia Valderrama Masters hosted by the Sergio Garcia Foundation | EUR | 42 | 2018 | 4 | 7.20 | 0.8043 | 5.79 | 281st |
| Sky Sports British Masters | EUR | 41 | 2018 | MC | - | 0.7935 | - | 362nd |
| Alfred Dunhill Links Championship | EUR | 40 | 2018 | T44 | - | 0.7826 | - | 353rd |
| Portugal Masters | EUR | 38 | 2018 | T16 | 1.98 | 0.7609 | 1.51 | 348th |
| KLM Open | EUR | 37 | 2018 | T28 | - | 0.75 | - | 365th |
| Omega European Masters | EUR | 36 | 2018 | MC | - | 0.7391 | - | 357th |
| Made In Denmark | EUR | 35 | 2018 | 9 | 3.60 | 0.7283 | 2.62 | 355th |
| D+D Real Czech Masters | EUR | 34 | 2018 | T59 | - | 0.7174 | - | 407th |
| Nordea Masters | EUR | 33 | 2018 | T29 | - | 0.7065 | - | 403rd |
| Porsche European Open | EUR | 30 | 2018 | MC | - | 0.6739 | - | 378th |
| Aberdeen Standard Investments Scottish Open | EUR | 28 | 2018 | MC | - | 0.6522 | - | 369th |
| Dubai Duty Free Irish Open Hosted by the Rory Foundation | EUR | 27 | 2018 | T14 | 3.42 | 0.6413 | 2.19 | 359th |
| HNA Open de France | EUR | 26 | 2018 | T21 | 2.76 | 0.6304 | 1.74 | 412nd |
| BMW International Open | EUR | 25 | 2018 | T63 | - | 0.6196 | - | 443rd |
| Shot Clock Masters | EUR | 23 | 2018 | T7 | 3.65 | 0.5978 | 2.18 | 436th |
| Italian Open | EUR | 22 | 2018 | MC | - | 0.587 | - | 487th |
| BMW PGA CHAMPIONSHIP | EUR | 21 | 2018 | MC | - | 0.5761 | - | 476th |
| Belgian Knockout | EUR | 20 | 2018 | MC | - | 0.5652 | - | 469th |
| Volvo China Open | ASA,EUR | 17 | 2018 | T20 | 1.98 | 0.5326 | 1.05 | 452nd |
| Trophee Hassan II | EUR | 16 | 2018 | MC | - | 0.5217 | - | 480th |
| Open de Espana | EUR | 15 | 2018 | MC | - | 0.5109 | - | 472nd |
| Hero Indian Open | ASA,EUR | 10 | 2018 | T30 | - | 0.4565 | - | 464th |
| Tshwane Open | AFR,EUR | 9 | 2018 | MC | - | 0.4457 | - | 460th |
| Commercial Bank Qatar Masters | EUR | 8 | 2018 | T45 | - | 0.4348 | - | 453rd |
| NBO Oman Open | EUR | 7 | 2018 | MC | - | 0.4239 | - | 448th |
| Omega Dubai Desert Classic | EUR | 4 | 2018 | T51 | - | 0.3913 | - | 427th |
| Abu Dhabi HSBC Championship presented by EGA | EUR | 3 | 2018 | MC | - | 0.3804 | - | 411st |
| BMW SA Open hosted by the City of Ekurhuleni | AFR,EUR | 2 | 2018 | MC | - | 0.3696 | - | 403rd |
| Joburg Open | AFR,ASA,EUR | 49 | 2017 | MC | - | 0.3152 | - | 395th |
| AfrAsia Bank Mauritius Open | AFR,ASA,EUR | 48 | 2017 | T44 | - | 0.3043 | - | 386th |
| UBS Hong Kong Open | ASA,EUR | 47 | 2017 | T39 | 1.21 | 0.2935 | 0.36 | 375th |
| Andalucia Valderrama Masters hosted by the Sergio Garcia Foundation | EUR | 42 | 2017 | T12 | 2.40 | 0.2391 | 0.57 | 373rd |
| Alfred Dunhill Links Championship | EUR | 40 | 2017 | T36 | 1.23 | 0.2174 | 0.27 | 398th |
| British Masters supported by Sky Sports | EUR | 39 | 2017 | T52 | - | 0.2065 | - | 418th |
| Portugal Masters | EUR | 38 | 2017 | T52 | - | 0.1957 | - | 403rd |
| KLM Open | EUR | 37 | 2017 | T60 | - | 0.1848 | - | 388th |
| D+D REAL Czech Masters | EUR | 35 | 2017 | MC | - | 0.163 | - | 375th |
| Made In Denmark | EUR | 34 | 2017 | T31 | - | 0.1522 | - | 359th |