he lost to Filippo Volandri in the first round. His first victory at the ATP-tour level came at 2012 Rosmalen Grass Court Championships in s-Hertogenbosch where he upset world No. 40 Robin Haase in the first round. The same year he defeated world No 37. Juan Carlos Ferrero. The following year he reached his career high ranking in singles at world No. 295. Pavić wanted to pursue his tennis career in both singles and doubles, but when doubles qualifying events were introduced in 2016, this new rule enabled him to get into bigger ATP doubles tournaments and decided to focus more on doubles. He is quoted saying he regrets not being able to see where his singles career would have taken him. 2015-2017: First doubles title, Grand Slam mixed title and doubles final Pavić won his first ATP doubles title at ATP Nice Open in May 2015, partnering Michael Venus. From May 2015 to October 2016 Pavić and Venus made it to 11 ATP doubles finals, winning five of them. However, they never made it past 3rd round at a Grand Slam tournament and decide to split at the end of 2016. The same year Mate went on to win the mixed doubles title with Laura Siegemund. Not being able to secure a permanent partner after the 2017 Miami Open, Pavić temporarily teamed with Austria's doubles veteran Oliver Marach during the European clay court season. Their clay swing was not successful and they decided to split after 2017 Wimbledon Championship. However, Pavić and Marach then made it to three consecutive grass court finals, including the 2017 Wimbledon Championship where they lost 11–13 in the fifth set to (at the time) No. 1 ranked doubles team of Lukasz Kubot and Marcelo Melo. After reaching the finals at Wimbledon, at the 2017 US Open Pavić and Marach lost in the 3rd round. In October Pavić and Marach won their first tournament as a team at the Stockholm Open. In November they qualified for the 2017 ATP Finals as first alternates and played one match, beating the Bryan brothers in Round robin. Pavić finished the season at no. 17 2018: Grand Slam doubles and mixed doubles titles, Masters 1000 finals, No. 1 ranking Pavić and Marach had a great start to 2018. They went on to win 17 matches in a row, capturing titles at the Qatar Open, Auckland Open and then winning