[7] Seoul Thunders 93-77 Busan Sonicboom [6] 2021-04-06 10:00
Stadium: Jamsil Arena
Head to Head
| Korea KBL | 2021/03/02 10:00 | Seoul Thunders v Suwon Sonicboom | L | 88-93 |
| Korea KBL | 2021/01/13 10:00 | Suwon Sonicboom v Seoul Thunders | L | 76-74 |
| Korea KBL | 2021/01/02 08:00 | Suwon Sonicboom v Seoul Thunders | W | 77-94 |
| Korea KBL | 2020/11/15 08:00 | Suwon Sonicboom v Seoul Thunders | L | 66-58 |
| Korea KBL | 2020/10/18 05:00 | Seoul Thunders v Suwon Sonicboom | L | 82-89 |
| Korea KBL | 2020/02/02 06:00 | Seoul Thunders v Suwon Sonicboom | W | 90-74 |
| Korea KBL | 2020/01/29 10:00 | Seoul Thunders v Suwon Sonicboom | L | 94-101 |
| Korea KBL | 2019/12/06 10:00 | Seoul Thunders v Suwon Sonicboom | L | 87-100 |
Home History
| Korea KBL | 2021/04/04 06:00 | Mobis Phoebus v Seoul Thunders | L | 84-75 |
| Korea KBL | 2021/03/31 10:00 | KCC Egis v Seoul Thunders | L | 87-77 |
| Korea KBL | 2021/03/28 06:00 | Seoul Thunders v Goyang Sky Gunners | W | 94-91 |
| Korea KBL | 2021/03/27 06:00 | Seoul Thunders v Anyang Red Boosters | L | 74-84 |
| Korea KBL | 2021/03/24 10:00 | Changwon Sakers v Seoul Thunders | W | 72-78 |
| Korea KBL | 2021/03/21 08:00 | Seoul Thunders v Seoul Knights | L | 73-75 |
| Korea KBL | 2021/03/19 10:00 | Korea Gas Corporation v Seoul Thunders | W | 90-91 |
| Korea KBL | 2021/03/14 08:00 | Dongbu Promy v Seoul Thunders | L | 103-74 |
Away History
| Korea KBL | 2021/04/04 06:00 | KCC Egis v Suwon Sonicboom | W | 111-112 |
| Korea KBL | 2021/04/01 10:00 | Korea Gas Corporation v Suwon Sonicboom | L | 99-85 |
| Korea KBL | 2021/03/29 10:00 | Suwon Sonicboom v Seoul Knights | L | 64-83 |
| Korea KBL | 2021/03/27 08:00 | Suwon Sonicboom v Dongbu Promy | W | 99-79 |
| Korea KBL | 2021/03/23 10:00 | Anyang Red Boosters v Suwon Sonicboom | L | 97-93 |
| Korea KBL | 2021/03/21 06:00 | Suwon Sonicboom v Mobis Phoebus | L | 71-72 |
| Korea KBL | 2021/03/16 10:00 | Suwon Sonicboom v Goyang Sky Gunners | L | 83-89 |
| Korea KBL | 2021/03/14 06:00 | Changwon Sakers v Suwon Sonicboom | L | 92-90 |