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John van Duzer

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Glenview, IL
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
54 matches · 39W–15L · seasons 2023–2026
Match history54 matches
L
2026-10-24 · #2 Doubles · 7.0 · with Harold Krent championship
loading the estimate
3-6, 7-6, 0-1
W
2026-10-23 · #2 Doubles · 7.0 · with Harold Krent championship
loading the estimate
6-3, 6-3
W
2026-10-23 · #2 Doubles · 7.0 · with Chuck Zitnick championship
loading the estimate
7-6, 6-3
W
2026-10-17 · #2 Doubles · 7.0 · with Harold Krent championship
loading the estimate
7-5, 6-7, 1-0
W
2026-10-04 · CHI E 65M7.0 4.Tam Spangler Sun 3 $25 · #2 Doubles · 7.0 · with Harold Krent
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6-4, 7-5
W
Default
2026-08-02 · CDTA S 55&OM7.0 2.Tam Woods Sun 11 $22 · #2 Doubles · 7.0 · with Sam Jemielity
doesn’t count toward your NTRP rating
6-0, 6-0
W
Default
2026-07-26 · CDTA S 55&OM7.0 2.Tam Woods Sun 11 $22 · #1 Doubles · 7.0 · with Gary Spangler
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-07-12 · CDTA S 65&OM7.0 1.Tam Spangler Sat 3 $22 · #3 Doubles · 7.0 · with Harold Krent
loading the estimate
6-2, 6-2
W
2026-06-28 · CDTA S 65&OM7.0 1.Tam Spangler Sat 3 $22 · #3 Doubles · 7.0 · with Harold Krent
loading the estimate
6-4, 6-3
W
2026-06-13 · CDTA S 65&OM7.0 1.Tam Spangler Sat 3 $22 · #2 Doubles · 7.0 · with Brian Lowy
loading the estimate
6-3, 2-6, 1-0
W
Default
2026-05-02 · CDTA W 55&OM7.0 3.Tam Woods Sun 11 $22 · #1 Doubles · 7.0 · with Daniel Song
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-03-15 · CDTA W 65&OM7.0 1.Tam Spangler Sat 3 $22 · #3 Doubles · 7.0 · with Andrew Pappas
loading the estimate
6-0, 6-3
Where you rank locallyagainst everyone at your level
Teams18 teams · 2024–2027
Over timerating by season, and how you rank
By level1 level played
7.0
72.2%
39W–15L · 56.9% of games

Games won matters more than matches won — NTRP adjusts on margins.

By lineusually #1 Doubles, 44% of the time
#1 Doubles
44%
24 matches
#2 Doubles
35%
19 matches
#3 Doubles
20%
11 matches

How often, across every team and every match we hold — including ones that do not count toward a rating. Advanced stats has a court-position table too, and it answers a different question: how well you do there, over matches that count. A team’s own page shows how that one team uses you.

Not affiliated with or endorsed by the USTA. Ratings labelled as published are USTA year-end figures; anything we describe as an estimate is ours, not USTA’s. Match data is from USTA TennisLink.

What matters isn’t how well you play when you’re playing well. What matters is how well you play when you’re playing badly.
Martina Navratilova