Australasian Tours In 2013, Smith turned professional. He played on the
PGA Tour of Australasia. Smith finished tied for second at the 2015
Coca-Cola Queensland PGA Championship and at the 2016
Emirates Australian Open. Smith played on the
Asian Tour in 2014, finishing in the top-10 seven times and finishing 5th on the Order of Merit. His best finish was tied for second at the 2014
CIMB Niaga Indonesian Masters. Smith's first PGA Tour event was the
CIMB Classic in October 2014, which was a co-sanctioned event with the
Asian Tour; he tied for 5th.
PGA Tour In April, Smith tied for 15th in the
RBC Heritage, playing on a sponsor's exemption. After qualifying for the
2015 U.S. Open, his top-4 finish earned him an invitation to the
2016 Masters Tournament. The finish also earned Smith Special Temporary Membership on the PGA Tour for the remainder of the 2015 season. Smith earned his 2015–16 PGA Tour card by earning enough as a non-member to have been in the top 125 on the money list: his best three events would have been sufficient. In 2016 Smith finished 157th in the FedEx points list. His performance in the
Web.com Tour Finals, where he was runner-up in the
Nationwide Children's Hospital Championship, allowed him to return to the PGA Tour for 2017. In May 2017, Smith, partnered with
Jonas Blixt, won the
Zurich Classic of New Orleans, the first team event on the PGA Tour since 1981. The pair did not make a bogey during the tournament and defeated
Scott Brown and
Kevin Kisner in a playoff. It was Smith's first career PGA Tour win. He had two top-10 finishes on the
2017 PGA Tour, tying for 6th place at the
Valero Texas Open and for 7th at the
Wyndham Championship and finished 46th in the
FedEx Cup standings. He started the new PGA Tour season by tying for 5th place in the
CIMB Classic in Malaysia and finishing 3rd in the
CJ Cup in South Korea in late 2017. Smith continued his good form by finishing 4th in the
Emirates Australian Open and then winning the
Australian PGA Championship the following week, beating
Jordan Zunic in a playoff. In December 2018, Smith defended his title at the
Australian PGA Championship, winning by two strokes over
Marc Leishman. In December 2019, Smith played on the International team at the
2019 Presidents Cup at
Royal Melbourne Golf Club in Australia. The U.S. team won 16–14. Smith went 1–1–1 including a win in his Sunday singles match against
Justin Thomas. In January 2020, Smith won the
Sony Open in Hawaii in a playoff over
Brendan Steele; his first individual victory on the PGA Tour. At the
2020 Masters in November, Smith became the first golfer in Masters history to shoot four rounds in the 60s (67-68-69-69). In April 2021, Smith won the
Zurich Classic of New Orleans for the second time. This time he was partnered with fellow countryman
Marc Leishman. The duo won in a playoff over
Louis Oosthuizen and
Charl Schwartzel. Smith qualified for the
Tokyo 2020 Olympics and competed in the
men's competition in July/August 2021. He scored −14 across the four rounds and finished tenth. In spite of shooting 66 in the third and fourth rounds, he was still out of medal contention. In January, Smith won the 2022
Sentry Tournament of Champions at
Kapalua Resort on
Maui, Hawaii. Smith shot a PGA Tour record of 34 under par winning by one stroke over world number one
Jon Rahm. 34 under par beat the previous mark of 31 under par set by
Ernie Els at the same tournament in 2003. In March, Smith won
The Players Championship at
TPC Sawgrass, becoming the fifth Australian to win the tournament; having hit his second shot on the final hole into the water, Smith managed to get up and down to make a
bogey and finish one stroke ahead of
Anirban Lahiri. In July, Smith won his first major championship at the
150th Open Championship, played at the
Old Course at St Andrews. He shot a final-round 64 to come from four strokes off the lead and finish one shot ahead of
Cameron Young and two ahead of joint third round leader
Rory McIlroy. During the
FedEx Cup Playoffs in August, he struggled with a hip injury, and did not play in the second event, the
BMW Championship. At the end of the PGA Tour season, he won the
PGA Player of the Year award. In November, Smith won the
Fortinet Australian PGA Championship for the third time.
LIV Golf Series , August 2022. At the end of August 2022, following the
Tour Championship, it was announced that Smith had joined
LIV Golf. The move had been speculated since The Open, with him repeatedly declining to confirm or deny the rumours. Smith finished in a tie for 4th in his first LIV start in
Boston, with
Dustin Johnson winning the 3-man playoff. He won in his second start, scoring rounds of 66, 68 and 69 to finish on 13-under par to win by three shots ahead of previous winner Dustin Johnson and
Peter Uihlein. Smith won over $5 million from his first 4 starts on LIV Golf. ==Amateur wins==