Mark Nielsen - Head-to-Head
| Opponent | # Games | W | L | T | Win % | Avg | Opp Avg | |
|---|---|---|---|---|---|---|---|---|
| R Scott Smith | 6 | 3 | 3 | 0 | 0.5000 | 338 | 349 | |
| Deborah Baggett | 5 | 3 | 2 | 0 | 0.6000 | 348 | 373 | |
| John Aitken | 5 | 2 | 3 | 0 | 0.4000 | 342 | 350 | |
| Carolyn Atchison | 4 | 3 | 1 | 0 | 0.7500 | 381 | 353 | |
| Blythe Camenson | 4 | 1 | 3 | 0 | 0.2500 | 349 | 433 | |
| Ronda Roberts | 4 | 2 | 2 | 0 | 0.5000 | 378 | 368 | |
| Brad Hertz | 4 | 2 | 2 | 0 | 0.5000 | 421 | 352 | |
| Daniel Spencer | 3 | 1 | 2 | 0 | 0.3333 | 369 | 383 | |
| Margaret Hughes | 3 | 2 | 1 | 0 | 0.6667 | 409 | 365 | |
| Melanie Jones | 3 | 1 | 2 | 0 | 0.3333 | 324 | 346 | |
| James Johnson | 3 | 1 | 2 | 0 | 0.3333 | 347 | 371 | |
| Peggy Grant | 3 | 1 | 2 | 0 | 0.3333 | 362 | 425 | |
| Bruce Burri | 3 | 1 | 2 | 0 | 0.3333 | 365 | 391 | |
| Fran Reich | 2 | 2 | 0 | 0 | 1.0000 | 448 | 321 | |
| Helen Flores | 2 | 2 | 0 | 0 | 1.0000 | 379 | 325 | |
| Carol Gibbs | 2 | 1 | 1 | 0 | 0.5000 | 337 | 400 | |
| Roger Freeman | 2 | 1 | 1 | 0 | 0.5000 | 386 | 354 | |
| Kaye Platts | 2 | 1 | 1 | 0 | 0.5000 | 355 | 332 | |
| Mary Logullo | 2 | 2 | 0 | 0 | 1.0000 | 404 | 394 | |
| Teresa Schaeffer | 2 | 1 | 1 | 0 | 0.5000 | 375 | 419 | |
| Ron Barker | 2 | 2 | 0 | 0 | 1.0000 | 421 | 307 | |
| Alison Lifland | 2 | 0 | 2 | 0 | 0.0000 | 318 | 395 | |
| Thomas Tremont | 2 | 0 | 2 | 0 | 0.0000 | 353 | 430 | |
| Zach Simon | 1 | 1 | 0 | 0 | 1.0000 | 356 | 321 | |
| Mena Murthy | 1 | 1 | 0 | 0 | 1.0000 | 404 | 336 | |
| Richard Holubkov | 1 | 1 | 0 | 0 | 1.0000 | 422 | 309 | |
| Rose Palomo | 1 | 0 | 1 | 0 | 0.0000 | 336 | 429 | |
| Celia Dayrit Thompson | 1 | 1 | 0 | 0 | 1.0000 | 513 | 273 | |
| Benita Romero | 1 | 0 | 1 | 0 | 0.0000 | 289 | 430 | |
| Maurice W Ross | 1 | 1 | 0 | 0 | 1.0000 | 359 | 310 | |
| Desiree Engel | 1 | 1 | 0 | 0 | 1.0000 | 448 | 307 | |
| Zana Anderson | 1 | 1 | 0 | 0 | 1.0000 | 416 | 322 | |
| Karin Somerville | 1 | 0 | 1 | 0 | 0.0000 | 399 | 466 | |
| Marina Villena | 1 | 1 | 0 | 0 | 1.0000 | 396 | 322 | |
| Debby Lee | 1 | 1 | 0 | 0 | 1.0000 | 394 | 277 | |
| Marlena Cannon | 1 | 1 | 0 | 0 | 1.0000 | 425 | 392 | |
| Sally Fox | 1 | 0 | 1 | 0 | 0.0000 | 333 | 346 | |
| Ted Gest | 1 | 0 | 1 | 0 | 0.0000 | 397 | 416 | |
| Susan Hoehn | 1 | 1 | 0 | 0 | 1.0000 | 434 | 429 | |
| Phyllis Persicketti | 1 | 1 | 0 | 0 | 1.0000 | 362 | 351 | |
| Brian Garnett | 1 | 0 | 1 | 0 | 0.0000 | 324 | 369 | |
| David A Goldberg | 1 | 1 | 0 | 0 | 1.0000 | 399 | 294 | |
| Aron Smith | 1 | 1 | 0 | 0 | 1.0000 | 386 | 347 | |
| Brian Summers | 1 | 0 | 1 | 0 | 0.0000 | 361 | 447 | |
| Nancy Douglas | 1 | 0 | 1 | 0 | 0.0000 | 344 | 398 | |
| Derven Francis | 1 | 0 | 1 | 0 | 0.0000 | 413 | 478 | |
| June Shelp | 1 | 1 | 0 | 0 | 1.0000 | 435 | 344 | |
| David Baran | 1 | 0 | 1 | 0 | 0.0000 | 329 | 406 | |
| Darla Michel | 1 | 0 | 1 | 0 | 0.0000 | 324 | 401 | |
| Kia Lindsay | 1 | 0 | 1 | 0 | 0.0000 | 275 | 387 | |
| Jim Barker | 1 | 1 | 0 | 0 | 1.0000 | 389 | 311 |