| Ausztrál Open | 01/18 10:50 | 24 | [116] Christopher Eubanks v Jiri Lehecka [71] | 4-6,4-6,6-3,3-6 | |
| Ausztrál Open | 01/16 04:30 | 23 | [71] Jiri Lehecka v Borna Coric [23] | 6-3,6-3,6-3 | |
| ATP Auckland | 01/11 00:20 | 26 | [78] Jiri Lehecka v Cameron Norrie [12] | 4-6,7-6,3-6 | |
| ATP Auckland | 01/10 03:55 | 25 | [78] Jiri Lehecka v Thiago Monteiro [69] | 6-3,7-5 | |
| ATP Auckland | 01/07 23:00 | 19 | [81] Jiri Lehecka v Facundo Bagnis [89] | 6-2,3-6,6-1 | |
| ATP Auckland | 01/06 22:15 | 14 | [81] Jiri Lehecka v Jan Choinski [248] | 5-7,6-0,6-2 | |
| United Cup | 12/30 23:00 | - | [12] Alexander Zverev v Jiri Lehecka [81] | 4-6,2-6 | |
| United Cup | 12/29 01:00 | - | [9] Taylor Fritz v Jiri Lehecka [81] | 6-3,6-4 | |
| Cseh Extraliga | 12/16 12:00 | - | [81] Jiri Lehecka v Petr Nouza [248] | 6-3,6-6 | |
| ATP Next Gen Finals | 11/12 20:00 | 29 | [49] Brandon Nakashima v Jiri Lehecka [74] | 4-3,4-3,4-2 | |
| ATP Next Gen Finals | 11/11 18:00 | 28 | [111] Dominic Stricker v Jiri Lehecka [74] | 1-4,3-4,4-2,1-4 | |
| ATP Next Gen Finals | 11/10 13:00 | 3 | [134] Matteo Arnaldi v Jiri Lehecka [74] | 3-4,1-4,3-4 | |
| ATP Next Gen Finals | 11/09 16:00 | 2 | [49] Brandon Nakashima v Jiri Lehecka [74] | 4-1,4-3,4-2 | |
| ATP Next Gen Finals | 11/08 13:00 | 1 | [74] Jiri Lehecka v Francesco Passaro [119] | 4-1,4-3,4-1 | |
| ATP Párizs | 10/30 13:35 | 19 | [78] Jiri Lehecka v Mikael Ymer [76] | 6-7,2-6 | |
| ATP Párizs | 10/29 18:30 | 46 | [58] Marcos Giron v Jiri Lehecka [78] | 5-7,3-6 | |
| ATP Bécs | 10/22 09:00 | 14 | [54] Oscar Otte v Jiri Lehecka [77] | 6-3,6-4 | |
| ATP Stockholm | 10/20 12:40 | 26 | [52] Emil Ruusuvuori v Jiri Lehecka [77] | 6-2,6-2 | |
| ATP Stockholm | 10/18 12:30 | 25 | [77] Jiri Lehecka v Grigor Dimitrov [32] | 6-4,1-6,7-6 | |
| Challenger Mouilleron le Captif | 10/06 12:00 | 26 | [73] Jiri Lehecka v Jelle Sels [173] | Retired | |
| Challenger Mouilleron le Captif | 10/04 10:05 | 25 | [73] Jiri Lehecka v Tim Van Rijthoven [113] | 7-6,6-4 | |
| ATP Sofia | 09/26 15:00 | 25 | [74] Jiri Lehecka v Alexandar Lazarov [334] | 5-7,3-6 | |
| ATP Metz | 09/20 10:00 | 25 | [51] Emil Ruusuvuori v Jiri Lehecka [63] | 6-4,6-4 | |
| Davis Kupa | 09/17 10:30 | 4 | [444] Edan Leshem v Jiri Lehecka [63] | 6-4,0-6,5-7 | |
| Davis Kupa | 09/16 11:00 | 1 | [450] Daniel Cukierman v Jiri Lehecka [63] | 0-6,4-6 | |
| US Open | 08/29 19:35 | 23 | [82] Cristian Garin v Jiri Lehecka [61] | 3-6,7-6,7-5,6-1 | |
| ATP Winston-Salem | 08/22 18:00 | 24 | [60] Jiri Lehecka v Peter Gojowczyk [111] | 4-6,3-6 | |
| Challenger Liberec | 08/07 10:00 | 29 | [65] Jiri Lehecka v Nicolas Alvarez Varona [269] | 6-4,6-4 | |
| Challenger Liberec | 08/06 10:00 | 28 | [65] Jiri Lehecka v Giovanni M Perricard [493] | 6-4,6-7,7-6 | |
| Challenger Liberec | 08/05 11:30 | 27 | [65] Jiri Lehecka v Vit Kopriva [159] | 6-4,6-1 |
Wikipedia - Jiří Lehečka
Jiří Lehečka (born 8 November 2001) is a Czech professional tennis player. Lehečka has a career high ATP singles ranking of world No. 23 achieved on 15 January 2024. He also has a career high ATP doubles ranking of No. 144 achieved on 15 January 2024. He is currently the No. 1 Czech player in singles. Lehečka has a career high ITF junior combined ranking of No. 10 achieved on 11 March 2019.