| ATP Budapest | 04/24 09:00 | 25 | [61] Jan-Lennard Struff v Jurgen Zopp [133] | 2-6,6-4,7-5 | |
| ATP Budapest | 04/23 08:00 | 25 | Jan-Lennard Struff v Laslo Djere | Cancelled | |
| ATP - Monte Carlo | 04/19 09:00 | 26 | [61] Jan-Lennard Struff v Alexander Zverev [4] | 4-6,6-4,4-6 | |
| ATP - Monte Carlo | 04/18 10:50 | 25 | [20] Fabio Fognini v Jan-Lennard Struff [61] | 4-6,2-6 | |
| ATP - Monte Carlo | 04/17 11:00 | 24 | [43] Yuichi Sugita v Jan-Lennard Struff [61] | 3-6,2-6 | |
| ATP - Marrakech | 04/10 10:00 | 25 | [160] Alexey Vatutin v Jan-Lennard Struff [60] | 3-6,6-3,6-2 | |
| ATP - Marrakech | 04/10 09:00 | - | Viktor Troicki v Jan-Lennard Struff | Cancelled | |
| ATP - Miami | 03/21 15:00 | 23 | [407] Mikael Ymer v Jan-Lennard Struff [56] | 3-6,7-5,6-1 | |
| ATP - Indian Wells | 03/10 00:45 | 23 | Jan-Lennard Struff v Alex De Minaur | 6-3,6-7,6-7 | |
| ATP - Dubai | 02/28 11:25 | 26 | Yuichi Sugita v Jan-Lennard Struff | 7-6,6-4 | |
| ATP - Dubai | 02/27 10:00 | 25 | Andreas Haider-Maurer v Jan-Lennard Struff | 2-6,4-6 | |
| ATP - Rotterdam | 02/13 12:55 | 25 | Jan-Lennard Struff v Viktor Troicki | 6-1,6-7,2-6 | |
| Davis Cup | 02/02 06:10 | 26 | Nick Kyrgios v Jan-Lennard Struff | 6-4,6-4,6-4 | |
| Australian Open | 01/18 10:25 | 24 | Jan-Lennard Struff v Roger Federer | 4-6,4-6,6-7 | |
| Australian Open | 01/16 04:35 | 23 | Soon Woo Kwon v Jan-Lennard Struff | 1-6,2-6,4-6 | |
| ATP - Sydney | 01/07 05:35 | 25 | Damir Dzumhur v Jan-Lennard Struff | 6-1,6-4 | |
| ATP - Doha | 01/03 17:00 | 26 | Jan-Lennard Struff v Gael Monfils | 3-6,6-1,3-6 | |
| ATP - Doha | 01/02 15:30 | 25 | Tomas Berdych v Jan-Lennard Struff | 4-6,6-1,6-7 | |
| ATP - Parijs | 10/31 12:50 | 24 | [48] Jan-Lennard Struff v Borna Coric [51] | 3-6,4-6 | |
| ATP Paris Qual | 10/29 11:15 | 46 | [51] Jan-Lennard Struff v Peter Gojowczyk [69] | 6-3,7-6 | |
| ATP Paris Qual | 10/28 12:30 | 45 | [51] Jan-Lennard Struff v Mikhail Kukushkin [82] | 7-6,6-4 | |
| ATP - Wenen | 10/27 11:00 | 27 | Jan-Lennard Struff v Kyle Edmund | 2-6,5-7 | |
| ATP - Wenen | 10/26 13:55 | 26 | Albert Ramos-Vinolas v Jan-Lennard Struff | 7-6,2-6,6-7 | |
| ATP - Wenen | 10/24 18:00 | 25 | [36] Pablo Cuevas v Jan-Lennard Struff [51] | 5-7,1-6 | |
| ATP - Stockholm | 10/19 18:35 | 26 | Jan-Lennard Struff v Juan Martin Del Potro | 2-6,6-7 | |
| ATP - Stockholm | 10/18 11:20 | 25 | [74] Marius Copil v Jan-Lennard Struff [49] | 7-6,4-6,6-7 | |
| ATP - Shanghai | 10/12 07:05 | 26 | Jan-Lennard Struff v Albert Ramos-Vinolas | 6-7,4-6 | |
| ATP - Shanghai | 10/11 10:30 | 25 | [15] Kevin Anderson v Jan-Lennard Struff [58] | 6-7,6-7 | |
| ATP - Shanghai | 10/10 06:35 | 24 | [27] Mischa Zverev v Jan-Lennard Struff [58] | Retired | |
| ATP - Beijing | 10/02 12:15 | 25 | [48] Jan-Lennard Struff v Mischa Zverev [27] | 7-5,4-6,4-6 |
Wikipedia - Jan-Lennard Struff
Jan-Lennard Struff (Warstein, 25 april 1990) is een Duitse tennisser. Hij heeft drie ATP-toernooien in het dubbelspel gewonnen. Bovendien was hij éénmaal verliezend finalist in het enkelspel en driemaal in het dubbelspel. Ook deed hij al mee aan Grand Slams. Hij heeft vijf challengers in het enkelspel en vijf challengers in het dubbelspel op zijn naam staan.