Jan-Lennard Struff
| ATP Miami | 03/25 15:00 | 23 | Jan-Lennard Struff v Benjamin Becker | 3-6,7-6,6-4 | |
| Davis Kupa | 03/08 13:50 | 1 | Jan-Lennard Struff v Nicolas Mahut | 7-6,6-3 | |
| Davis Kupa | 03/06 13:00 | - | Jan-Lennard Struff v Gilles Simon | 6-7,6-2,7-6,2-6,8-10 | |
| Challenger Szczecin | 09/14 10:00 | 29 | Jan-Lennard Struff v Dustin Brown | 4-6,3-6 | |
| Challenger Szczecin | 09/13 11:00 | 28 | Jan-Lennard Struff v Facundo Arguello | 1-6,6-0,6-2 | |
| Challenger Szczecin | 09/11 10:00 | 26 | Jan-Lennard Struff v Adam Pavlasek | 4-6,6-3,6-3 | |
| Challenger Szczecin | 09/09 15:00 | 25 | Jan-Lennard Struff v Roberto Marcora | Retired | |
| US Open | 08/28 16:40 | 24 | Jan-Lennard Struff v John Isner | 6-7,4-6,2-6 | |
| US Open | 08/26 16:45 | 23 | Mikhail Kukushkin v Jan-Lennard Struff | 6-2,6-3,3-6,3-6,5-7 | |
| ATP Kitzbühel | 07/28 13:20 | 25 | Jan-Lennard Struff v Jiri Vesely | 4-6,4-6 | |
| ATP Hamburg | 07/14 14:25 | 24 | Filip Krajinovic v Jan-Lennard Struff | 1-6,7-5,6-2 | |
| ATP Stuttgart | 07/10 09:00 | 25 | Philipp Kohlschreiber v Jan-Lennard Struff | 6-4,6-3 | |
| Wimbledon | 06/24 10:30 | 23 | Lukasz Kubot v Jan-Lennard Struff | 7-6,6-4,6-4 | |
| ATP Halle | 06/09 15:35 | 25 | Jan-Lennard Struff v Joao Sousa | 4-6,2-6 | |
| ATP München | 05/03 12:30 | 28 | Fabio Fognini v Jan-Lennard Struff | 6-3,6-1 | |
| ATP München | 05/02 15:00 | 27 | Ricardas Berankis v Jan-Lennard Struff | 6-4,3-6,4-6 | |
| ATP München | 04/30 11:35 | 26 | Sergiy Stakhovsky v Jan-Lennard Struff | 3-6,3-6 | |
| ATP München | 04/29 09:00 | 25 | Jan-Lennard Struff v Feliciano Lopez | 6-3,6-4 | |
| ATP Munich Qual | 04/28 09:00 | 53 | Jan-Lennard Struff v Michael Berrer | 6-1,6-1 | |
| ATP Munich Qual | 04/27 11:10 | 46 | Jan-Lennard Struff v Kevin Krawietz | 6-3,6-3 | |
| ATP Munich Qual | 04/26 10:00 | 45 | Jan-Lennard Struff v Mirza Basic | 6-3,6-4 | |
| ATP Miami Qual | 03/18 19:10 | 45 | David Goffin v Jan-Lennard Struff | 2-6,6-4,6-1 | |
| ATP Miami Qual | 03/17 17:30 | 44 | Illya Marchenko v Jan-Lennard Struff | 6-7,3-6 | |
| Challenger Bergamo | 02/16 16:30 | 29 | Simone Bolelli v Jan-Lennard Struff | 7-6,6-4 | |
| Challenger Bergamo | 02/15 17:30 | 28 | Andrea Arnaboldi v Jan-Lennard Struff | 2-6,4-6 | |
| Challenger Bergamo | 02/14 10:00 | 27 | Andreas Beck v Jan-Lennard Struff | 3-6,6-7 |
Wikipedia - Jan-Lennard Struff
Jan-Lennard Struff (German pronunciation: [ʃtʁʊf]; born 25 April 1990) is a German professional tennis player. He reached his career-high ATP singles ranking of world No. 21 on 19 June 2023. In doubles, he achieved a career-high ranking of world No. 21 on 22 October 2018. He has reached three ATP Tour singles finals, including at the 2023 Madrid Masters, and won four ATP Tour doubles titles. He is the current German No. 2.