Stadium: Court 4 Round: 62 Ground: Hardcourt outdoor
| ITF M15 Heraklion | 2019/12/09 08:00 | Tim Heger v Sungbeen Sim | 6-4,6-4 |
| ITF M15 Heraklion | 2019/12/08 10:00 | Tom Hands v Sungbeen Sim | 3-6,2-6 |
| ITF M15 Heraklion | 2019/12/01 12:00 | Sungbeen Sim v Yeongseok Jeong | 3-6,2-6 |
| ITF M15 Heraklion | 2019/11/24 10:30 | Lukas H Lilleengen v Sungbeen Sim | 6-3,7-6 |
| ITF M15 Heraklion | 2019/11/18 08:00 | Sungbeen Sim v Lodewijk Weststrate | 1-6,3-6 |
| ITF M15 Heraklion | 2019/11/10 07:30 | Jack Gibbens v Sungbeen Sim | 6-7,7-5,10-8 |
| ITF M15 Changwon | 2019/10/15 01:00 | Sungbeen Sim v Taketo Takamisawa | 6-3,3-6,6-10 |
| ITF M15 Changwon | 2019/10/14 01:30 | Kousuke Ogura v Sungbeen Sim | 3-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/11/15 08:00 | Lilian Breut v Luc Koenig | 6-0,6-3 |
| ITF M15 Sharm El Sheikh | 2020/11/09 10:30 | Luc Koenig v Ivan Sergeyev | 0-6,2-6 |
| ITF M15 Sharm El Sheikh | 2020/11/08 09:30 | Luc Koenig v Lazar Vojinovic | 6-4,4-6,10-6 |
| ITF M15 Sharm El Sheikh | 2020/11/01 07:00 | Luc Koenig v Elijah Poritzky | 2-6,3-6 |
| ITF M25 Potchefstroom | 2020/03/04 09:35 | Luc Koenig v Lorenzo Musetti | 1-6,2-6 |
| ITF M25 Potchefstroom | 2020/03/03 10:55 | Seth Seely v Luc Koenig | 3-6,3-6 |
| ITF M25 Potchefstroom | 2020/03/02 07:00 | Luc Koenig v Da-niel Kotze | 7-5,6-3 |