Robert Volker - Head-to-Head
| Opponent | # Games | W | L | T | Win % | Avg | Opp Avg | |
|---|---|---|---|---|---|---|---|---|
| Desiree Engel | 1 | 0 | 1 | 0 | 0.0000 | 268 | 386 | |
| Kathy Simanek | 1 | 0 | 1 | 0 | 0.0000 | 323 | 378 | |
| Ethan Sundilson | 1 | 1 | 0 | 0 | 1.0000 | 345 | 302 | |
| Lois M Hawkins | 1 | 0 | 1 | 0 | 0.0000 | 294 | 308 | |
| Sandra Tignor | 1 | 1 | 0 | 0 | 1.0000 | 372 | 288 | |
| Michael Berkus | 1 | 1 | 0 | 0 | 1.0000 | 345 | 312 | |
| Louisa Arnold | 1 | 1 | 0 | 0 | 1.0000 | 394 | 288 |