| Boris de Schipper's Progress for 4 ball 534 | |||
|---|---|---|---|
| Duration | Date | Notes | |
| 6m 27s | 2026-01-26 | - | |
| 3m 32s (800c) | 2025-07-01 |
estimated
| |
| 1m 59s | 2024-10-13 | - | |
| 1m 27s | 2024-10-05 |
i beated my record by 1 single second!!!
| |
| 1m 26s | 2024-09-15 | - | |
| 300c | 2024-07-02 | - | |
| 150c | 2024-06-19 | - | |
| 60c | 2024-06-17 | - | |