| ITF - M15 Daegu | 06/07 00:55 | 27 | Karlis Ozolins v Jeamoon Lee | 6-3,6-4 | |
| ITF - M15 Daegu | 06/06 02:55 | 26 | Seon Yong Han v Jeamoon Lee | 1-6,4-6 | |
| ITF - M15 Daegu | 06/04 01:00 | 25 | [475] Masamichi Imamura v Jeamoon Lee [393] | 3-6,2-6 | |
| Challenger - Gwangju | 04/16 02:00 | 25 | [451] Jea Moon Lee v Sho Shimabukuro [173] | 3-6,2-6 | |
| Challenger - Busan | 04/07 04:50 | 14 | [498] Jea Moon Lee v Paul Jubb [423] | 3-6,6-4,6-7 | |
| ITF M15 - Tsukuba | 03/29 06:15 | 27 | Jeamoon Lee v Yi Zhou | 2-6,1-6 | |
| ITF M15 - Tsukuba | 03/28 01:00 | 26 | Jeamoon Lee v Hayato Matsuoka | 3-6,6-4,7-5 | |
| ITF M15 - Tsukuba | 03/27 00:45 | 25 | Jeamoon Lee v Keisuke Saitoh | 4-6,6-1,6-4 | |
| ITF M15 - Nishi-Tokyo | 03/21 01:00 | 26 | Ryotaro Taguchi v Jeamoon Lee | 6-3,5-7,6-3 | |
| ITF M15 - Nishi-Tokyo | 03/20 02:50 | 25 | Tianhui Zhang v Jeamoon Lee | 2-6,5-7 | |
| ITF M15 - Hinode | 03/14 03:10 | 26 | Jeamoon Lee v Yi Zhou | 3-6,4-6 | |
| ITF M15 - Hinode | 03/13 05:00 | 25 | Jeamoon Lee v Daiki Yoshimura | 6-4,6-1 |
Lee Jea-moon (Korean: 이재문; born 2 July 1993) is a South Korean tennis player.
Lee has a career high ATP singles ranking of 558 achieved on 22 May 2023. He also has a career high ATP doubles ranking of 431 achieved on 13 November 2017.
Lee represents South Korea at the Davis Cup.