ATP Tennis - Jan-Lennard Struff
- Tournament: N/A
- Round: N/A
- Opponent: N/A
- DOB: 1990-04-25
- Birthplace: West Germany, West Germany
- Height: 77.0 cm
- Weight: 192.0 kg
- Plays: R
- Current World Rank: 34
- Hard: 68-75
- Clay: 39-46
- Grass: 12-21
| Tournament | Date | Sets | Round | Winner | Loser |
|---|---|---|---|---|---|
| Dubai Tennis Championships | Feb 27, 2020 | 4-6, 6-4, 6-4 | Quarter Finals | Stefanos Tsitsipas | Jan-Lennard Struff |
| Dubai Tennis Championships | Feb 26, 2020 | 6-1, 6-0 | Second Round | Jan-Lennard Struff | Nikoloz Basilashvili |
| Dubai Tennis Championships | Feb 25, 2020 | 7-6 (7-2), 7-5 | First Round | Jan-Lennard Struff | Roberto Bautista Agut |
| World Tennis Tournament | Feb 11, 2020 | 6-3, 1-6, 6-3 | First Round | Felix Auger-Aliassime | Jan-Lennard Struff |
| Australian Open | Jan 20, 2020 | 7-6 (7-5), 6-2, 2-6, 6-1 | First Round | Novak Djokovic | Jan-Lennard Struff |
| Adelaide International | Jan 15, 2020 | 6-3, 6-4 | Second Round | Alex Bolt | Jan-Lennard Struff |
| Adelaide International | Jan 14, 2020 | 6-4, 6-2 | First Round | Jan-Lennard Struff | Salvatore Caruso |
| Paris Masters | Oct 31, 2019 | 2-6, 6-4, 7-6 (8-6) | Third Round | Jo-Wilfried Tsonga | Jan-Lennard Struff |
| Paris Masters | Oct 29, 2019 | 7-6 (7-5), 3-6, 7-5 | Second Round | Jan-Lennard Struff | Karen Khachanov |
| Paris Masters | Oct 28, 2019 | 4-6, 7-5, 6-2 | First Round | Jan-Lennard Struff | Yoshihito Nishioka |
