Jan-Lennard Struff
| Challenger Braunschweig | 07/09 12:30 | 29 | [172] Maximilian Marterer v Jan-Lennard Struff [155] | 2-6,2-6 | |
| Challenger Braunschweig | 07/08 12:30 | 28 | [155] Jan-Lennard Struff v Henri Laaksonen [96] | 6-3,6-3 | |
| Challenger Braunschweig | 07/07 14:00 | 27 | [118] Taro Daniel v Jan-Lennard Struff [155] | 2-6,1-6 | |
| Challenger Braunschweig | 07/06 13:15 | 26 | [143] Franco Agamenone v Jan-Lennard Struff [155] | 3-6,1-6 | |
| Challenger Braunschweig | 07/05 10:10 | 25 | [155] Jan-Lennard Struff v Federico Delbonis [84] | 6-2,7-6 | |
| Wimbledon | 06/27 13:20 | 23 | [155] Jan-Lennard Struff v Carlos Alcaraz [7] | 6-4,5-7,6-4,6-7,4-6 | |
| ATP Mallorca | 06/18 10:45 | 14 | [149] Jan-Lennard Struff v Fernando Verdasco [115] | 4-6,3-6 | |
| ATP Halle | 06/13 16:50 | 25 | [42] Ilya Ivashka v Jan-Lennard Struff [149] | 3-6,6-3,7-6 | |
| ATP Stuttgart | 06/08 13:10 | 26 | [32] Lorenzo Sonego v Jan-Lennard Struff [103] | 7-6,7-6 | |
| ATP Stuttgart | 06/06 12:15 | 25 | [53] Marcos Giron v Jan-Lennard Struff [103] | 5-7,7-5,6-7 | |
| ATP Miami | 03/24 17:10 | 23 | [47] Pedro Martinez v Jan-Lennard Struff [56] | Retired | |
| Challenger Phoenix | 03/16 20:00 | 25 | [128] Mats Moraing v Jan-Lennard Struff [58] | 3-6,7-6,6-4 | |
| ATP Indian Wells | 03/12 01:10 | 23 | [77] John Millman v Jan-Lennard Struff [58] | 7-6,6-4 | |
| ATP Indian Wells | 03/12 00:00 | 23 | Ilya Ivashka v Jan-Lennard Struff | Cancelled | |
| Davis Kupa | 03/05 22:00 | 45 | Thiago Seyboth Wild v Jan-Lennard Struff | Cancelled | |
| Davis Kupa | 03/04 21:00 | 45 | [114] Thiago Monteiro v Jan-Lennard Struff [60] | 6-3,1-6,6-3 | |
| ATP Dubai | 02/22 12:50 | 25 | [56] Jan-Lennard Struff v Ricardas Berankis [99] | 1-6,6-3,3-6 | |
| Ausztrál Open | 01/18 00:00 | 23 | [57] Botic Van De Zandschulp v Jan-Lennard Struff [52] | 6-4,6-3,6-2 | |
| ATP Adelaide 2 | 01/11 02:55 | 25 | [115] Corentin Moutet v Jan-Lennard Struff [50] | 6-2,6-4 | |
| ATP Cup | 01/06 06:30 | 1 | [51] Jan-Lennard Struff v Denis Shapovalov [14] | 6-7,6-4,3-6 | |
| ATP Cup | 01/03 23:00 | 1 | [51] Jan-Lennard Struff v John Isner [24] | 7-6,4-6,7-5 | |
| ATP Cup | 01/02 06:30 | 1 | [51] Jan-Lennard Struff v Daniel Evans [25] | 1-6,2-6 | |
| Davis Kupa | 12/04 13:15 | 28 | [2] Daniil Medvedev v Jan-Lennard Struff [51] | 6-4,6-4 | |
| Davis Kupa | 11/30 16:10 | 27 | [12] Cameron Norrie v Jan-Lennard Struff [51] | 6-7,6-3,2-6 | |
| Davis Kupa | 11/28 16:55 | 2 | [51] Jan-Lennard Struff v Dennis Novak [118] | 7-5,6-4 | |
| Davis Kupa | 11/27 18:00 | 2 | [1] Novak Djokovic v Jan-Lennard Struff [51] | 6-2,6-4 | |
| ATP Párizs | 11/02 10:00 | 24 | [53] Tommy Paul v Jan-Lennard Struff [50] | 6-3,6-4 | |
| ATP St Petersburg | 10/30 11:00 | 28 | [28] Taylor Fritz v Jan-Lennard Struff [53] | 5-7,6-1,6-3 | |
| ATP St Petersburg | 10/29 11:30 | 27 | [53] Jan-Lennard Struff v Denis Shapovalov [13] | 6-4,6-3 | |
| ATP St Petersburg | 10/27 17:20 | 26 | [34] Alexander Bublik v Jan-Lennard Struff [53] | 4-6,3-6 |
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.