| Win | 1–0 | [2019 Trofeo Faip–Perrel – Singles|] | Trofeo Faip-Perrel, Italy | Challenger | Hard |  dts|May 2019
Singles: 3 (2 titles, 1 runner-up)| Result | W–L | Date | Tournament | Tier | Surface | Opponent | Score | | Loss | 0–1 | | F23 Santa Cristina Gherdëina, Italy | Futures | Clay |  dts|Mar 2019
Doubles: 1 (title)| Result | W–L | Date | Tournament | Tier | Surface | Partner | Opponents | Score | | Win | 1–0 | | F23 Santa Cristina Gherdëina, Italy | Futures | Clay |
Jannik Sinner has spent in total 66 weeks as ATP world No. 1.
General| Weeks in top | Total weeks | | at number 1 | 66 | | top 5 | 122* | | top 10 | 170* | | top 20 | 242* | | top 50 | 277* | | top 100 | 305* |
Career Grand Slam tournament seedingsThe tournaments won by Sinner are in boldface.
| Season | Australian Open | French Open | Wimbledon | US Open | | 2019 | did not play | did not play | did not qualify | qualifier | | 2020 | not seeded | not seeded | cancelled | not seeded | | 2021 | not seeded | 18th | 19th | 13th | | 2022 | 11th | 11th | 10th | 11th | | 2023 | 15th | 8th | 8th | 6th | | 2024 | 4th | 2nd | 1st | 1st | | 2025 | 1st | 1st | 1st | 1st | | 2026 | 2nd | | | |
Best Grand Slam tournament results detailsGrand Slam tournament winners are in boldface, and runner-ups are in italics.
Wins over top 10 players- Sinner has a record against players who were, at the time the match was played, ranked in the top 10.
National and international representationWins: 2| Edition |
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dts|Feb 2021