| Boris de Schipper's Progress for 5 ball 97531 | |||
|---|---|---|---|
| Duration | Date | Notes | |
| 90c | 2026-03-06 | - | |
| 85c | 2026-03-01 | - | |
| 80c | 2026-02-26 | - | |
| 75c | 2026-02-25 | - | |
| 70c | 2026-02-08 | - | |
| 65c | 2026-02-05 | - | |
| 60c | 2026-01-25 | - | |
| 55c | 2026-01-24 | - | |
| 50c | 2025-11-08 | - | |
| 45c | 2025-10-29 | - | |
| 40c | 2025-10-01 | - | |
| 35c | 2025-09-28 | - | |
| 30c | 2025-09-27 | - | |
| 25c | 2025-09-01 | - | |
| 20c | 2025-08-26 | - | |
| 15c | 2025-08-20 | - | |
| 10c | 2025-08-07 | - | |
| 5c | 2023-10-12 | - | |