| Spain Masters MD | 2021/05/23 09:30 | Kusumawa. / Rambitan v Gutama S K / Isfahani M R P | W | 2-1 |
| Spain Masters MD | 2021/05/22 14:00 | Kusumawa. / Rambitan v 포포프 C / 포포프 T J | W | 2-1 |
| Spain Masters MD | 2021/05/21 10:40 | 아스트루프 K / 라스무센 A S v Kusumawa. / Rambitan | W | 1-2 |
| Spain Masters MD | 2021/05/20 09:00 | Kusumawa. / Rambitan v Corvee/Labar | W | 2-0 |
| Spain Masters MD | 2021/05/18 12:15 | Kusumawa. / Rambitan v Lauritzen/Vestergaard | W | 2-1 |
| Swiss Open MD | 2021/03/04 12:45 | Kusumawa. / Rambitan v 랭크레디 S / 셰티 C | L | 1-2 |
| Swiss Open MD | 2021/03/03 08:40 | 호-슈 J A / 야쿠라 N v Kusumawa. / Rambitan | W | 1-2 |
| Thailand Open MD | 2021/01/21 07:50 | Kusumawa. / Rambitan v 아흐산 M / 세티아반 H | L | 0-2 |