OFFICIAL ATHLETE PROFILE
jon Haveman
Nationality / Location
Byron Center, MI, US
DUPR ID Number
NY6J4Z
Technical Style
Precision Dink Strategist
Age Division
Open Classification
Doubles DUPR3.991Reliability: 100%
Singles DUPR3.520Reliability: 16%
Total Matches512Logged Records
Wins / Losses277/235Winrate: 54.1%
Doubles DUPR Trajectory
GPN Activity & Dedication Matrix
Matches: 54Active Days: 37
MonWedFriSun
18 weeks ago
LessMore
TodayRecent Match Logs
| Date | Event | Location | Outcome | Scores |
|---|---|---|---|---|
| 2026-05-27 | Byron Center Ladder League #1 | Grand Rapids, MI, USA | WIN | 11-2 |
| 2026-05-27 | Byron Center Ladder League #1 | Grand Rapids, MI, USA | WIN | 3-11 |
| 2026-05-20 | Byron Center Ladder League #1 | Grand Rapids, MI, USA | LOSS | 8-11 |
| 2026-05-20 | Byron Center Ladder League #1 | Grand Rapids, MI, USA | LOSS | 4-11 |
| 2026-05-17 | 2026 USSP North Zone Championship - Grand Rapids, MI - presented by Humana - Age: (50 To 59) Mens Doubles Masters Skill: (4.0-4.5) | Grand Rapids, MI | LOSS | 15-5 |
| 2026-05-17 | 2026 USSP North Zone Championship - Grand Rapids, MI - presented by Humana - Age: (50 To 59) Mens Doubles Masters Skill: (4.0-4.5) | Grand Rapids, MI | LOSS | 15-3 |
Agent Data Access (API)
Sovereign machine-readable APIs for AI search agents and crawler endpoints.
cURL Request:
curl -H "Accept: application/json" \ https://picklegravity.com/api/knowledge/player-jon-haveman-NY6J4Z
Advanced Performance Metrics
Strength of Schedule (SoS)
3.938
Clutch Index (CPI)
50%
Points Gained (DPG)
-8.04
STREAK
3 Week Activity Streak
Personal Best: 3 weeks
Playstyle & Physical Metrics
Precision Dink Strategist
A master of soft placement, commanding the kitchen dink rallies with patience, consistency, and crosscourt angles.
Control88%
Power88%
Agility93%
Spin68%
Stamina88%
Preferred Home Court
Grand Rapids, MI, USA
Doubles Partner Chemistry
David Rutledge
DUPR: 3.96 · ID: RYZWXM
CHEMISTRY
80%
"Defensive alignment: Both players excel at soft resets and kitchen dinking."
Record: 2 matches played together · 0% win rate
Upcoming Matches & Pairings
League LadderScheduled

Zane Navratil
DUPR: 6.27 · Opponent
Date: Saturday, June 13, 2026 at 10:00 AM
Location: Rouge Woods Community Centre
Practice MatchPending Confirmation
Thomas Connolly
DUPR: 4.83 · Opponent
Date: Tuesday, June 16, 2026 at 6:30 PM
Location: L'Amoreaux Tennis Centre