Stadium: Court 2 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 |
| UK Pro League | 2021/03/07 13:30 | Oscar Weightman v Tom Hands | 4-6,6-4,6-10 |
| UK Pro League | 2021/03/06 14:00 | Sean Hodkin v Oscar Weightman | 6-2,7-6 |
| UK Pro League | 2021/03/05 10:00 | Anton Matusevich v Oscar Weightman | 6-4,6-4 |
| UK Pro League | 2021/03/04 15:30 | Joshua Paris v Oscar Weightman | 6-3,6-4 |
| UK Pro League | 2021/03/03 10:00 | Jack Findel-Hawkins v Oscar Weightman | 6-7,6-4,5-10 |
| UK Pro League | 2021/03/02 16:15 | Jonathan Gray v Oscar Weightman | 6-3,6-2 |
| ITF M15 Nur-Sultan | 2021/02/12 06:45 | Oscar Weightman v Giacomo Dambrosi | 1-6,2-6 |
| ITF M15 Nur-Sultan | 2021/02/11 06:55 | Oscar Weightman v Yan Bondarevskiy | 7-6,6-3 |