On 7 July 2019, Rahm won the Dubai Duty Free Irish Open at Lahinch Golf Club. Rahm trailed 54-hole leader Robert Rock by five shots heading into the final 18 holes of the tournament. Beginning the round at eight-under overall, Rahm registered four birdies on the front nine to make the turn at 11-under overall and three-under 31 for the day. The 2017 Irish Open champion then shot five-under 31 on the back nine, including four birdies and an eagle, to close out the two-stroke victory.
On July 16, 2019, at the 2019 Open Championship, the R&A found Schauffele's driver failed to meet CT test requirements. Schauffele was forced to scramble for a replacement driver. The R&A made 30 random inspections of players' clubs and Schauffele's driver was found to be one of four drivers of the 30 strong sample not to comply with the CT test requirements. The manufacturers brands that had drivers fail the CT test are: Callaway, Ping, Taylormade. It also has become public knowledge, that during a testing in May 2019 at the Diamond Cup Golf event on the Japan Golf Tour, some 15 drivers in the field had failed the very same CT test requirements. Rumors, that Schauffele's driver was the only one and additionally the first one ever to fail the R&A's CT test were proven unfounded and false.
NEW PROVIDENCE, Bahamas — After Rickie Fowler signed for his third-round score at Friday’s Hero World Challenge, he walked out into the media tent to answer a few questions. In the background, a monitor was playing, in slow-motion, Patrick Reed’s practice swings on No. 11, trying to determine whether he had violated a rule while taking his practice swing in a waste area.
Sony Open in Hawaii: Opened the Sony Open in Hawaii with an 11-under 59, becoming the youngest player to record a sub-60 round on the PGA TOUR (23 years, 8 months, 14 days). Added rounds of 64-65-65 for a runaway seven-stroke victory over Justin Rose, earning his fourth PGA TOUR victory (third of the season) in his 74th start at the age of 23 years, 8 months and 17 days. With a 72-hole total of 253, established a PGA TOUR record, eclipsing Tommy Armour III at the 2003 Valero Texas Open (254). History-making week included lowest opening 54-hole score (188; tied with Steve Stricker) and lowest opening 36-hole score (123). With the victory, became the fourth player to win the Sony Open in wire-to-wire fashion (no ties), joining K.J. Choi (2008), Paul Azinger (2000) and Howard Twitty (1993). Became the first player to win the SBS Tournament of Champions and Sony Open in Hawaii in the same season since Ernie Els in 2003, and the 10th to win both Hawaii events at least once during a career.
Reed’s answers treaded the middle ground of taking responsibility (“After seeing the video, it’s a two-stroke penalty, I accept that,” he said) and denying any wrongdoing (“I think with a different camera angle they would have realized that … it was not improving the lie because it was far enough away from the golf ball,” he added). If he truly had not improved his lie or intended line of play, it would be no penalty, but he’d accepted the penalty anyway, without objection. Reed was particularly clear on one thing: He did not intend to skirt the rules.
Masters Tournament: Finished fourth in the Masters Tournament at 11-under after a final-round 3-under 69. Advanced to the weekend in a major championship for the sixth time in seven starts. After hitting just 20 of 36 greens in regulation in the first 36 holes, hit 29 of 36 on the weekend at Augusta National and avoided three-putting for 72 holes. With third-round 65, was one of just four players to post a bogey-free round during the week, with each coming in round three (Jon Rahm/65, Rory McIlroy/65, Rickie Fowler/65, Si Woo Kim/68).
Advanced to the FedExCup Playoffs for the second consecutive time in his career, making it to the TOUR Championship for the first time. Entered the Playoffs finale in the No. 12 position in the FedExCup standings and finished T6 at East Lake to end his season No. 12 in the FedExCup standings. Recorded 10 top-25 finishes from 28 starts. Of those, five were top-five showings, including his maiden PGA TOUR victory at the CIMB Classic.