| Event | Year | Mode | Qualification Points | Entry | WRTC Category | Contest Score | Best Score | by | Remarks |
| ARRLDX | 2019 | CW | 483 | T48K Score comparison area: CA1 Operators: CO8ZZ, OH2TA, SM0DRD, SM5SIC |
M2 | 4753392 | 6298890 | 8P5A | |
| ARRLDX | 2019 | SSB | 16 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 119232 | 6260826 | 8P5A | |
| RRDXC | 2019 | MIX | 20 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 51348 | 2597616 | ZF9CW | |
| CQWPX | 2019 | CW | 34 | T40A Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 471468 | 13501559 | 8P5A | |
| WAEDC | 2019 | CW | 57 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 56151 | 986244 | NP4Z | |
| CQWW | 2019 | SSB | 4 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOAHP | 42362 | 11215890 | V47T | |
| CQWW | 2019 | CW | 11 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOAHP | 207095 | 18316632 | TI7W | |
| ARRLDX | 2020 | CW | 26 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 215232 | 6734442 | 8P5A | |
| ARRLDX | 2020 | SSB | 16 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 152544 | 7649064 | TI7W | |
| RRDXC | 2020 | MIX | 6 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOHP | 18576 | 3265990 | KP3DX | |
| CQWW | 2020 | CW | 27 | CO8ZZ Score comparison area: CA1 Operators: CO8ZZ |
SOAHP | 415872 | 15133797 | TI7W |