Bryson DeChambeau shot an 8-under 64 to cruise to his first overseas victory at the Dubai Desert Classic on Sunday.

The American golfer, who was the highest-ranked player in the field at No. 5, started the final round with a one-stroke lead and held his nerve to extend his winning margin with an eagle and seven birdies to finish on 24-under 264.

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Haotong Li of China walks on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Bryson DeChambeau shot an 8-under 64 to cruise to his first overseas victory at the Dubai Desert Classic on Sunday.

Ernie Els of South Africa follows his ball on the 15th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Overnight runner-up Li Haotong, who was looking to claim back-to-back victories at the Emirates Golf Club, shot a final-round 71 to finish on 272 in joint third place.

Thorbjorn Olesen of Denmark plays a shot on the 1st hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Thorbjorn Olesen of Denmark plays a shot on the 1st hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Sergio Garcia of Spain plays a shot on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Sergio Garcia of Spain plays a shot on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Matt Wallace of England plays a shot on the 13th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Matt Wallace of England plays a shot on the 13th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

England's Matt Wallace was second after shooting a 4-under 68 for a total of 271.

Haotong Li of China walks on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Haotong Li of China walks on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Overnight runner-up Li Haotong, who was looking to claim back-to-back victories at the Emirates Golf Club, shot a final-round 71 to finish on 272 in joint third place.

Englishmen Ian Poulter (64) and Paul Waring (64) joined him along with Spain's Sergio Garcia (66) and Alvaro Quiros (68).

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Ernie Els of South Africa follows his ball on the 15th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Ernie Els of South Africa follows his ball on the 15th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Thorbjorn Olesen of Denmark plays a shot on the 1st hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Thorbjorn Olesen of Denmark plays a shot on the 1st hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Sergio Garcia of Spain plays a shot on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Sergio Garcia of Spain plays a shot on the 14th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Matt Wallace of England plays a shot on the 13th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)

Matt Wallace of England plays a shot on the 13th hole during round three of the Dubai Desert Classic golf tournament in Dubai, United Arab Emirates, Saturday, Jan. 26, 2019. (AP PhotoKamran Jebreili)