| | Place |
|---|
| 2020 | The Masters | MC |
| | U.S. Open Golf Championship | MC |
| | Mullingar Scratch Trophy | 3 |
| | South African Stroke Play | 6 |
| | GolfRSA International Amateur | T6 |
| 2019 | US Amateur | Final 64 |
| | British Open | MC |
| | British Amateur | Win |
| | St. Andrews Links Trophy | T23 |
| | Brabazon Trophy | T18 |
| | Irish Amateur Open | T37 |
| | Lytham Trophy | T14 |
| | West of Ireland Open Amateur | T11 |
| | South African Stroke Play | 9 |
| | South African Amateur | Final 32 |
| 2018 | Mullingar Scratch Trophy | 8 |
| | Irish Amateur Close | Final 16 |
| | South of Ireland Amateur | Final 16 |
| | British Open Regional Qualifying | Medalist |
| | British Amateur | Final 32 |
| | Irish Amateur Open | T7 |
| 2017 | South of Ireland Amateur | Win |
| | East of Ireland Amateur | T14 |
| 2016 | Irish Amateur Open | T13 |