(UPDATED 9 NOVEMBER 2022)
- As a 24-year-old in 2018, became youngest doubles World No. 1 since Woodbridge, 24, in 1996, and 1st Croatian No. 1 in doubles or singles.
- One-half of year-end No. 1 team in 2018 w/Marach, 2020 w/Soares and 2021 w/Mektic, becoming 1st year-end No. 1 with 3 different partners in history of team rankings (since 1984).
- Won 3rd Grand Slam men’s doubles title with as many partners at 2021 Wimbledon w/Mektic, becoming 1st Croatians to win Wimbledon men’s doubles title and 1st All-Croatian team to win a Grand Slam men’s doubles title.
- Also earned gold medal at 2020 Tokyo Olympics w/Mektic (held in 2021), defeating Cilic/Dodig in All-Croatian final.
- Champion of 2018 Australian Open mixed doubles w/Dabrowski, 2016 US Open mixed doubles w/Siegemund and 2011 Wimbledon boys’ doubles w/Morgan – peaking at No. 5 in juniors and defeating future ATP No. 3 Thiem in singles.