| Challenger Seoul | 10/27 04:50 | 14 | Jea Moon Lee v Kokoro Isomura | 5-7,4-6 | |
| ITF M15 Tokyo | 07/13 04:00 | 28 | [435] Woobin Shin v Jeamoon Lee [384] | 6-4,6-2 | |
| ITF M15 Tokyo | 07/12 02:00 | 27 | Kokoro Isomura v Jeamoon Lee | 2-6,4-6 | |
| ITF M15 Tokyo | 07/11 01:55 | 26 | Kenta Miyoshi v Jeamoon Lee | 6-7,6-7 | |
| ITF M15 Tokyo | 07/10 08:50 | 25 | [384] Jeamoon Lee v Makoto Ochi [488] | Retired | |
| ITF M15 Tokyo | 07/05 02:00 | 27 | [412] Naoki Nakagawa v Jeamoon Lee [384] | 6-2,6-4 | |
| ITF M15 Tokyo | 07/04 03:40 | 26 | Jeamoon Lee v Sanhui Shin | 3-6,7-6,6-3 | |
| ITF M15 Tokyo | 07/03 02:00 | 25 | Ezekiel Clark v Jeamoon Lee | 3-6,3-6 | |
| ITF M25 Changwon | 06/19 01:00 | 25 | Jeamoon Lee v Kenta Miyoshi | CANC | |
| ITF M15 Anseong | 06/11 02:30 | 25 | Seungmin Park v Jeamoon Lee | Retired | |
| 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 |
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.