David Underhill
- Rasys
- 1
- Safle dosbarth gorau
- 71fed M
- Llanbedr-Blaenafon
- Safle categori gorau
- 27fed MS
- Llanbedr-Blaenafon
- Safle cyfres gorau
- 258fed
- South Wales Series 2023
- Sgôr cyfartalog
- 89.07
Safleoedd cyfres
| Tymor | Safle |
|---|---|
| South Wales Series 2023 M 201 MS 69 89.07 | 258 |
| Welsh Championship 2023 M 425 MS 152 89.07 | 540 |