| ATP - Astana | 10/01 06:00 | 27 | [29] Jiri Lehecka v Hamad Medjedovic [120] | 3-6,4-6 | |
| ATP - Astana | 09/29 09:10 | 26 | Jiri Lehecka v Egor Gerasimov | 6-2,7-6 | |
| Davis Cup | 09/16 14:15 | 2 | [37] Laslo Djere v Jiri Lehecka [30] | 6-7,5-7 | |
| Davis Cup | 09/14 16:10 | 2 | [30] Jiri Lehecka v Soonwoo Kwon [112] | 6-1,7-5 | |
| Davis Cup | 09/13 15:00 | 2 | [25] Alejandro Davidovich Fokina v Jiri Lehecka [30] | 6-7,5-7 | |
| US Open | 08/28 20:35 | 23 | [77] Aslan Karatsev v Jiri Lehecka [29] | 6-3,6-3,6-3 | |
| ATP - Winston Salem | 08/26 21:00 | 29 | [42] Sebastian Baez v Jiri Lehecka [35] | 6-4,6-3 | |
| ATP - Winston Salem | 08/26 18:00 | 28 | Sebastian Korda v Jiri Lehecka | Walkover | |
| ATP - Winston Salem | 08/24 20:50 | 27 | [35] Jiri Lehecka v Max Purcell [47] | 7-6,6-4 | |
| ATP - Winston Salem | 08/23 22:05 | 26 | [35] Jiri Lehecka v Dominik Koepfer [78] | 6-3,3-6,6-4 | |
| ATP - Winston Salem | 08/22 21:30 | 25 | [35] Jiri Lehecka v Mitchell Krueger [275] | 2-6,6-2,6-3 | |
| ATP - Cincinnati | 08/15 15:00 | 24 | [35] Jiri Lehecka v Taylor Fritz [9] | 6-7,2-6 | |
| ATP - Toronto | 08/09 00:55 | 25 | [36] Jiri Lehecka v Casper Ruud [5] | 6-7,4-6 | |
| ATP - Toronto | 08/07 16:00 | 24 | [74] Brandon Nakashima v Jiri Lehecka [36] | 5-7,6-3,6-7 | |
| ATP - Umag | 07/28 14:30 | 27 | [33] Jiri Lehecka v Matteo Arnaldi [76] | 6-3,2-6,4-6 | |
| ATP - Umag | 07/27 14:30 | 26 | [33] Jiri Lehecka v Dominic Thiem [112] | 6-3,7-5 | |
| Wimbledon | 07/10 12:00 | 26 | [3] Daniil Medvedev v Jiri Lehecka [37] | Retired | |
| Wimbledon | 07/08 10:00 | 25 | [37] Jiri Lehecka v Tommy Paul [15] | 6-2,7-6,6-7,6-7,6-2 | |
| Wimbledon | 07/06 14:25 | 24 | [19] Francisco Cerundolo v Jiri Lehecka [37] | 2-6,2-6,2-6 | |
| Wimbledon | 07/05 11:30 | 23 | [37] Jiri Lehecka v Sebastian Ofner [72] | 6-4,6-4,6-4 | |
| ATP - Queens | 06/22 14:15 | 26 | [2] Carlos Alcaraz v Jiri Lehecka [36] | 6-2,6-3 | |
| ATP - Queens | 06/20 11:30 | 25 | [36] Jiri Lehecka v Alejandro Davidovich Fokina [33] | 7-6,6-3 | |
| ATP - Stuttgart | 06/14 15:50 | 26 | [37] Jiri Lehecka v Frances Tiafoe [12] | 6-7,4-6 | |
| ATP - Stuttgart | 06/12 09:00 | 25 | [57] Marcos Giron v Jiri Lehecka [37] | 6-4,3-6,4-6 | |
| Challenger - Prostejov | 06/08 10:45 | 27 | [41] Jiri Lehecka v Lukas Klein [133] | 3-6,4-6 | |
| Challenger - Prostejov | 06/07 10:05 | 26 | [41] Jiri Lehecka v Jelle Sels [169] | 7-6,6-3 | |
| Challenger - Prostejov | 06/06 09:45 | 25 | [41] Jiri Lehecka v Nick Hardt [222] | 6-3,6-4 | |
| French Open | 06/01 15:10 | 24 | [75] Marcos Giron v Jiri Lehecka [41] | 6-2,6-3,6-2 | |
| French Open | 05/29 15:10 | 23 | [41] Jiri Lehecka v Jan-Lennard Struff [28] | 7-5,1-6,6-3,3-6,6-1 | |
| Challenger - Turijn | 05/15 09:00 | 19 | Jiri Lehecka v Aleksandr Braynin | Retired |
Wikipedia - Jiří Lehečka
Jiří Lehečka (Mladá Boleslav, 8 november 2001) is een Tsjechisch tennisser.