their first Grand Slam title at the 2018 Australian Open. In Melbourne, Mate also won his second mixed doubles Grand Slam title, this time with Gabriela Dabrowski. Pavić and Marach's winning streak came to an end at the Rotterdam Open in February, where they lost in the final. In April, Pavić and Marach reached their first ATP 1000 Masters Series finals in Monte Carlo (losing to Bryan brothers). On 21 May 2018, Pavić became the No. 1 ranked player in the world in doubles, and spent 8 weeks at the top. He was the youngest No. 1 doubles player in the world since Todd Woodbridge in 1996. Pavić and Marach also made it to the 2018 French Open final, where they lost to Mahut and Herbert. After the French Open, Pavić and Marach went 10–8, losing in both 2018 Wimbledon Championship and 2018 US Open first rounds. They bounced back by reaching the China Open final in October (l. to Kubot and Melo). Pavić finished the 2018 season at no. 3. 2019-2020: US Open and Masters 1000 titles, return to top 10, doubles pair race year-end No. 1 After the 2019 French Open, Marach and Pavić terminated their partnership and Mate teamed with Bruno Soares and won his first Masters title at 2019 Shanghai Rolex Masters in October. The same month they reached the final of Stockholm Open, and Pavić briefly returned to top 10 rankings, but finished the 2019 season ranked 18th in the world. In September 2020 Pavić and Soares won the 2020 US Open tournament. It was the second men's doubles Grand Slam title of Pavić's career. They followed it with a run to the 2020 French Open and 2020 Rolex Paris Masters finals where they lost after having 5 match points. The pair finished No. 1 in the 2020 doubles race. 2021: New partnership, seven ATP & historic Wimbledon titles, return to No. 1, First Croatian Olympic champion Starting 2021 Pavić partnered successfully with his compatriot Nikola Mektić. They won four ATP titles including the doubles title at the 2021 Miami Open in April and reached the 2021 Australian Open doubles semifinals and 2021 Dubai Tennis Championships final in the first three months of the year. Following these results, Pavić returned to the No. 1 ranking in doubles on April 5. On April 18, Pavić clinched his fifth overall and second ATP Masters title of the