The South African earned his fourth U.S. Open start via final qualifying at The Bear's Club in Jupiter, Fla., where he posted 2-under 140. Of his 11 professional victories, three have come on the European Tour. His last European Tour title was the 2014 Africa Open, an event co-sanctioned by the Sunshine Tour. He also won the 2011 Open de Espana and 2013 Avantha Masters, which was co-sanctioned by the Asian Tour. Aiken tied for seventh and shared eighth in the 2012 and 2009 Open Championships, respectively. In 2014, Aiken captured the Order of Merit on the Sunshine Tour.
|2021||Torrey Pines Golf Course (South Course)||80-73||+11||MC|
|2016||Oakmont Country Club||79-74||+13||MC|