At the 2015 U.S. Open at Chambers Bay, Grace held a share of the lead through 54 holes. On Sunday, he was in the penultimate group with eventual champion, Jordan Spieth, and was still tied for the lead heading to the 16th hole, until he blocked his drive to the right and out of bounds, forcing him to re-tee and eventually leading to a double bogey to spiral him out of contention to win. He finished with a final round 71, and a tied for 4th position. At the 2015 PGA Championship at Whistling Straits Grace placed in the top-five for the second time in his career at the major championships, when he placed third. At the 2015 Presidents Cup, Grace would have a perfect week. On the opening day (Thursday foursomes), Grace teamed with fellow South African Louis Oosthuizen to defeat Matt Kuchar and Patrick Reed in comfortable fashion 3 and 2. On Day 2 (Friday fourball), Grace would again team with Oosthuizen in a dominant performance against world number one Jordan Spieth and Dustin Johnson winning 4 and 3. On Day 3 (Saturday morning foursomes), Grace for a third time teaming with Oosthuizen, won in another comfortable match 3 and 2, defeating the team of Reed and Rickie Fowler. Later in the day during (Saturday afternoon fourball), teaming with Oosthuizen a fourth and final time, the team won its fourth match against the undefeated duo of Bubba Watson and J. B. Holmes. The fourball match being the only time Grace would see the 18th hole all week, his team winning 1 up at the last. On the final day of the event (Sunday singles), Grace played against Kuchar and started out red hot, dominating Kuchar on the front nine. Kuchar fought back from several holes down before losing 2 and 1. Grace's perfect record of 5–0–0 was the fifth such occasion in Presidents Cup history and just the second time for the International side. On 30 January 2016, Grace defended his Commercial Bank Qatar Masters title for his seventh victory on the European Tour. He finished two strokes ahead of Rafa Cabrera-Bello and Thorbjørn Olesen, after shooting a three under round of 69 on a day when he started two back of leader Paul Lawrie. Grace became the first player to successfully defend the tournament. Grace was able to play on the PGA Tour in 2016, in the