John Ortman - Head-to-Head
| Opponent | # Games | W | L | T | Win % | Avg | Opp Avg | |
|---|---|---|---|---|---|---|---|---|
| Emely Weissman | 3 | 2 | 1 | 0 | 0.6667 | 409 | 417 | |
| Dave Postal | 3 | 2 | 1 | 0 | 0.6667 | 398 | 371 | |
| Jon Demeter | 3 | 1 | 2 | 0 | 0.3333 | 348 | 426 | |
| Naurlene Canterman | 3 | 2 | 1 | 0 | 0.6667 | 417 | 362 | |
| Angela Weston | 3 | 2 | 1 | 0 | 0.6667 | 353 | 354 | |
| Anita Barry | 2 | 0 | 2 | 0 | 0.0000 | 313 | 423 | |
| Daniel Novinson | 2 | 1 | 1 | 0 | 0.5000 | 366 | 332 | |
| Evan Koch | 2 | 2 | 0 | 0 | 1.0000 | 422 | 331 | |
| Bennett Jacobstein | 2 | 1 | 1 | 0 | 0.5000 | 356 | 363 | |
| Andrea Michaels | 2 | 2 | 0 | 0 | 1.0000 | 439 | 336 | |
| Vicky Julian | 2 | 1 | 1 | 0 | 0.5000 | 387 | 417 | |
| Dan Unger | 2 | 0 | 2 | 0 | 0.0000 | 365 | 377 | |
| Winter | 1 | 0 | 1 | 0 | 0.0000 | 348 | 357 | |
| Phyllis Gelb | 1 | 1 | 0 | 0 | 1.0000 | 455 | 333 | |
| Robin Levin | 1 | 1 | 0 | 0 | 1.0000 | 511 | 328 | |
| Terry Veevers | 1 | 1 | 0 | 0 | 1.0000 | 436 | 344 | |
| Kent Nelson | 1 | 1 | 0 | 0 | 1.0000 | 425 | 408 | |
| Betty Cornelison | 1 | 0 | 1 | 0 | 0.0000 | 327 | 406 | |
| James Williams | 1 | 1 | 0 | 0 | 1.0000 | 384 | 325 | |
| Margie Gordon | 1 | 0 | 1 | 0 | 0.0000 | 399 | 441 | |
| Julia Swaney | 1 | 1 | 0 | 0 | 1.0000 | 471 | 429 | |
| Nancee Mancel | 1 | 0 | 1 | 0 | 0.0000 | 295 | 459 | |
| Josh Greenway | 1 | 1 | 0 | 0 | 1.0000 | 557 | 332 | |
| Pamina Deutsch | 1 | 1 | 0 | 0 | 1.0000 | 470 | 347 | |
| Jesse Wornum | 1 | 1 | 0 | 0 | 1.0000 | 478 | 333 | |
| Jerry Lerman | 1 | 0 | 1 | 0 | 0.0000 | 318 | 438 | |
| Norases Vesdapunt | 1 | 0 | 1 | 0 | 0.0000 | 388 | 418 | |
| Joe Edley | 1 | 0 | 1 | 0 | 0.0000 | 409 | 462 | |
| Kevin Fraley | 1 | 0 | 1 | 0 | 0.0000 | 390 | 504 | |
| Natalie Dicou | 1 | 0 | 1 | 0 | 0.0000 | 374 | 417 | |
| Yukari Balabanov | 1 | 0 | 0 | 1 | 0.5000 | 389 | 389 | |
| Mary Parrish | 1 | 1 | 0 | 0 | 1.0000 | 389 | 319 | |
| Mike Wier | 1 | 0 | 1 | 0 | 0.0000 | 356 | 370 | |
| Erik Anderson | 1 | 0 | 1 | 0 | 0.0000 | 371 | 466 | |
| John Wiley | 1 | 1 | 0 | 0 | 1.0000 | 506 | 308 | |
| Mary Atwood | 1 | 1 | 0 | 0 | 1.0000 | 460 | 368 | |
| Sarah King | 1 | 0 | 1 | 0 | 0.0000 | 267 | 443 | |
| Marina Villena | 1 | 0 | 1 | 0 | 0.0000 | 315 | 337 | |
| Gary Moss | 1 | 1 | 0 | 0 | 1.0000 | 472 | 372 | |
| Cheryl Melvin | 1 | 1 | 0 | 0 | 1.0000 | 507 | 346 | |
| Julia Bogle | 1 | 1 | 0 | 0 | 1.0000 | 417 | 332 | |
| Bobbi Hendrickson | 1 | 0 | 1 | 0 | 0.0000 | 360 | 461 | |
| Irene Averell | 1 | 1 | 0 | 0 | 1.0000 | 440 | 250 |