Aardvark: Charles Silverstone vs Phyllis DeCastro
| Tournament played | Round | Charles Silverstone | Phyllis DeCastro | |
| 1 | 10.02.2012 4th Israel Open (ISR) | 20 | 390 | 342 |
| 2 | 23.02.2014 6th Israel Open (ISR) | 6 | 338 | 354 |
| 3 | 22.02.2015 Israeli Open Mikki Nicholson Memorial Tournament (ISR) | 8 | 389 | 414 |
| 4 | 21.02.2016 Eighth Israeli Open (ISR) | 3 | 367 | 368 |
| 5 | 29.07.2017 Summer Kadima Tournament (ISR) | 4 | 318 | 312 |
| 6 | 29.07.2017 Summer Kadima Tournament (ISR) | 6 | 307 | 490 |
| 7 | 20.04.2018 Qadima Tournament (ISR) | 2 | 390 | 375 |
| Head-to-head after 7 games | 3 | 4 | ||
| Average score | 357 | 379.28 | ||