Jaco Ahlers
BY YEAR
| Alfred Dunhill Championship | AFR,EUR | 50 | 2018 | MC | - | 1 | - | 346th |
| South African Open | AFR,EUR | 49 | 2018 | MC | - | 1 | - | 339th |
| Afrasia Bank Mauritius Open at Anahita | AFR,ASA,EUR | 48 | 2018 | T47 | - | 1 | - | 335th |
| Sibaya Challenge | AFR | 43 | 2018 | T33 | - | 1 | - | 306th |
| Vodacom Origins of Golf Parys | AFR | 42 | 2018 | MC | - | 0.9891 | - | 297th |
| Alfred Dunhill Links Championship | EUR | 40 | 2018 | MC | - | 0.9674 | - | 291st |
| Vodacom Origins of Golf - St Francis Links | AFR | 39 | 2018 | T4 | 1.20 | 0.9565 | 1.15 | 288th |
| Vodacom Origins of Golf - Arabella | AFR | 37 | 2018 | T5 | 1.54 | 0.9348 | 1.44 | 289th |
| Vodacom Origins of Golf - Selborne | AFR | 35 | 2018 | MC | - | 0.913 | - | 293rd |
| WGC - Bridgestone Invitational | WGC | 31 | 2018 | 71 | - | 0.8696 | - | 278th |
| Sun City Challenge | AFR | 23 | 2018 | T21 | - | 0.7826 | - | 235th |
| Lombard Insurance Classic | AFR | 20 | 2018 | 3 | 2.80 | 0.75 | 2.1 | 222nd |
| Investec Royal Swazi Open | AFR | 19 | 2018 | T15 | 1.27 | 0.7391 | 0.94 | 244th |
| Zimbabwe Open | AFR | 16 | 2018 | 8 | 2.24 | 0.7065 | 1.58 | 240th |
| Zanaco Masters | AFR | 15 | 2018 | T2 | 6.07 | 0.6957 | 4.22 | 247th |
| Barclays Kenya Open | CHA | 12 | 2018 | T28 | - | 0.663 | - | 291st |
| Tshwane Open | AFR,EUR | 9 | 2018 | MC | - | 0.6304 | - | 275th |
| Cape Town Open presented by Sun International | AFR | 8 | 2018 | T34 | - | 0.6196 | - | 277th |
| Dimension Data Pro-Am | AFR | 7 | 2018 | 1 | 14.00 | 0.6087 | 8.52 | 273rd |
| Eye of Africa PGA Championship | AFR | 6 | 2018 | T19 | - | 0.5978 | - | 470th |
| BMW SA Open hosted by the City of Ekurhuleni | AFR,EUR | 2 | 2018 | MC | - | 0.5543 | - | 434th |
| Joburg Open | AFR,ASA,EUR | 49 | 2017 | T19 | 1.21 | 0.5 | 0.61 | 415th |
| AfrAsia Bank Mauritius Open | AFR,ASA,EUR | 48 | 2017 | MC | - | 0.4891 | - | 422nd |
| Alfred Dunhill Links Championship | EUR | 40 | 2017 | T47 | - | 0.4022 | - | 393rd |
| Portugal Masters | EUR | 38 | 2017 | MC | - | 0.3804 | - | 375th |
| KLM Open | EUR | 37 | 2017 | T48 | - | 0.3696 | - | 369th |
| Bridgestone Challenge | CHA | 36 | 2017 | T36 | - | 0.3587 | - | 362nd |
| D+D REAL Czech Masters | EUR | 35 | 2017 | T38 | - | 0.3478 | - | 354th |
| Made In Denmark | EUR | 34 | 2017 | MC | - | 0.337 | - | 344th |
| Vodacom Origins - Arabella | AFR | 33 | 2017 | T2 | 1.73 | 0.3261 | 0.56 | 338th |
| Sun Carnival City Challenge | AFR | 32 | 2017 | MC | - | 0.3152 | - | 343rd |
| Porsche European Open | EUR | 30 | 2017 | T55 | - | 0.2935 | - | 333rd |
| BMW International Open | EUR | 25 | 2017 | T59 | - | 0.2391 | - | 291st |
| LYONESS OPEN powered by ORGANIC+ | EUR | 23 | 2017 | MC | - | 0.2174 | - | 277th |
| Nordea Masters | EUR | 22 | 2017 | MC | - | 0.2065 | - | 265th |
| The Rocco Forte Open | EUR | 20 | 2017 | MC | - | 0.1848 | - | 257th |
| Open de Portugal at Morgado Golf Resort | CHA,EUR | 19 | 2017 | T59 | - | 0.1739 | - | 245th |
| Investec Royal Swazi Open | AFR | 18 | 2017 | T25 | - | 0.163 | - | 241st |
| Zambia Sugar Open | AFR | 17 | 2017 | T18 | - | 0.1522 | - | 228th |
| Zimbabwe Open | AFR | 16 | 2017 | 4 | 4.20 | 0.1413 | 0.59 | 227th |
| Trophee Hassan II | EUR | 15 | 2017 | MC | - | 0.1304 | - | 259th |
| Barclays Kenya Open | CHA | 12 | 2017 | T9 | 1.68 | 0.0978 | 0.16 | 258th |
| Tshwane Open | AFR,EUR | 9 | 2017 | T29 | - | 0.0652 | - | 262nd |
| Joburg Open | AFR,EUR | 8 | 2017 | T23 | - | 0.0543 | - | 260th |
| Dimension Data Pro-Am | AFR | 7 | 2017 | T17 | 1.20 | 0.0435 | 0.05 | 258th |
| Eye of Africa PGA Championship | AFR | 6 | 2017 | T25 | - | 0.0326 | - | 252nd |