| Match History (2024) | View Advanced Player Stats |
|
Sonja Heying (Urbandale, IA)
Female |
3.5 C 12/31/2024 |
| Estimated Dynamic Rating |
3.3403 2/27/2025 |
| Projected Year End Rating |
------ ---------- |
3.5 Rating Meter
3.0001 - 3.5000
3.0001 - 3.5000
| 2024 Overall Season [Doubles] |
| League/Level | Total Matches |
Win | Loss | Tie | WPct | Total Sets |
Win | Loss | WPct | Total Games |
Win | Loss | WPct | Defaults |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Adult 18+ 3.5 | 3 | 1 | 2 | 0 | 33.3 | 7 | 3 | 4 | 42.9 | 54 | 27 | 27 | 50.0 | 0 |
| Adult 40+ 3.5 | 5 | 5 | 0 | 0 | 100.0 | 12 | 10 | 2 | 83.3 | 90 | 55 | 35 | 61.1 | 0 |
| Tri-Level 18+ 4.0 | 4 | 2 | 2 | 0 | 50.0 | 10 | 5 | 5 | 50.0 | 70 | 38 | 32 | 54.3 | 0 |
| Total | 12 | 8 | 4 | 0 | 66.7 | 29 | 18 | 11 | 62.1 | 214 | 120 | 94 | 56.1 | 0 |
| 12/07/2024 | D2 | Adult 40+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMGCC Missouri Valley |
W | Sissel: Genesis Missouri Valley |
| Danita Olafson (3.14) | 6-3 6-2 |
June MacKay (3.01) Terri Bunting (2.83) |
| Match: 3.23 | Rating: 3.26 |
| 11/16/2024 | D3 | Adult 40+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMGCC Missouri Valley |
W | Snedegar & Hagan: Lifetime Missouri Valley |
| Sarah Zinn-Burggraaf (3.45) | 6-3 6-2 |
Nina Pack (3.31) Renea Hagan (3.49) |
| Match: 3.51 | Rating: 3.27 |
| 11/09/2024 | D1 | Adult 40+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMGCC Missouri Valley |
W | Bangtson & Beebe: Lifetime Missouri Valley |
| Sarah Zinn-Burggraaf (3.57) | 0-6 6-2 1-0 |
Karin Beschen (2.97) Ann Mincks (2.95) |
| Match: 2.76 | Rating: 3.18 |
| 10/26/2024 | D2 | Adult 40+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMGCC Missouri Valley |
W | Cownie & Whipp: Lifetime Missouri Valley |
| Sarah Zinn-Burggraaf (3.61) | 6-3 7-6 |
Kellie Hockmuth (3.24) Britt Bremner (3.41) |
| Match: 3.25 | Rating: 3.26 |
| 10/05/2024 | D1 | Adult 40+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMGCC Missouri Valley |
W | Sissel: Genesis Missouri Valley |
| Sarah Zinn-Burggraaf (3.51) | 4-6 6-2 1-0 |
Janet Johnson (3.66) Joan Meek (3.37) |
| Match: 3.46 | Rating: 3.29 |
| 08/08/2024 | D235 | Tri-Level 18+ 4.0 |
|---|---|---|
| Zinn-Burggraaf & Rice: DMG Missouri Valley |
L | Snedegar & Hagan: LifeTime Missouri Valley |
| Christina Jarck (3.06) | 6-0 0-6 1-0 |
Keren Terry (3.38) Nina Pack (3.32) |
| Match: 3.39 | Rating: 3.25 |
| 07/11/2024 | D235 | Tri-Level 18+ 4.0 |
|---|---|---|
| Zinn-Burggraaf & Rice: DMG Missouri Valley |
W | Merfeld: DMG Missouri Valley |
| Erin Osier (3.28) | 4-6 6-0 1-0 |
Danita Olafson (3.26) Holly Rebelez (3.32) |
| Match: 3.42 | Rating: 3.23 |
| 06/27/2024 | D235 | Tri-Level 18+ 4.0 |
|---|---|---|
| Zinn-Burggraaf & Rice: DMG Missouri Valley |
L | Wilkinson: Johnston HS Missouri Valley |
| Christina Jarck (3.04) | 7-5 6-4 |
Megan Kaufman (3.48) Lee Johnson (3.24) |
| Match: 3.33 | Rating: 3.20 |
| 06/06/2024 | D235 | Tri-Level 18+ 4.0 |
|---|---|---|
| Zinn-Burggraaf & Rice: DMG Missouri Valley |
W | Merfeld: DMG Missouri Valley |
| Sarah Zinn-Burggraaf (3.38) | 6-3 6-3 |
Holly Rebelez (3.32) Ann Cole (-----) |
| Match: S | Rating: 3.17 |
| 03/30/2024 | D1 | Adult 18+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMG Missouri Valley |
L | Cownie & Vandewater: LifeTime Missouri Valley |
| Jennifer Berdovich (3.30) | 6-3 6-3 |
Patty Avilez (3.52) Calla Whipp (3.54) |
| Match: 3.26 | Rating: 3.17 |
| 02/03/2024 | D2 | Adult 18+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMG Missouri Valley |
L | Koder: Genesis Missouri Valley |
| Donnis Rafferty (3.27) | 2-6 6-3 1-0 |
Karen Kalianov (3.30) Joy Bachmann (3.19) |
| Match: 3.19 | Rating: 3.14 |
| 01/20/2024 | D3 | Adult 18+ 3.5 |
|---|---|---|
| Zinn-Burggraaf & Olafson: DMG Missouri Valley |
W | Snedegar & Hagan: Lifetime Missouri Valley |
| Cheryl Minor (2.98) | 6-3 6-3 |
Sue Auer (3.10) Christa Whitmer (3.01) |
| Match: 3.32 | Rating: 3.16 |
| Glossary |
| Match | Player rating for individual match. |
| Rating | Dynamic rating after completed match. |
| NC | Match not yet calculated into rating. |
| S | Self rated or unrated player involved in match so no match rating calculated for current player. |
This site is not affiliated, endorsed, or associated by or with the USTA in any manner nor are the ratings affiliated with the NTRP rating system.
Copyright © 2016-2025 TennisRecord.com All rights reserved.
Privacy Policy | Sitemap
Copyright © 2016-2025 TennisRecord.com All rights reserved.
Privacy Policy | Sitemap