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Jon Kalstein

— year-end
30 matches · 20W–10L · seasons 2024–2026

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Match history30 matches
W
2026-08-17 · SKY YELLOW · #1 Doubles · 3.0 · with Scott Kline
expectation pending — we’re still fetching an opponent’s record
6-1, 6-1
L
2026-08-10 · SKY YELLOW · #1 Doubles · 3.0 · with David Marom
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
W
2026-07-20 · SKY YELLOW · #1 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
6-1, 6-3
W
Bryan DesMarteau / Matthew Moore
2026-07-13 · SKY RED · #1 Doubles · 3.0 · with John Camins
expectation pending — we’re still fetching an opponent’s record
2-6, 6-2, 1-0
W
2026-06-22 · SKY RED · #1 Doubles · 3.0 · with David Marom
expectation pending — we’re still fetching an opponent’s record
6-3, 6-0
W
2026-06-08 · SKY RED · #1 Doubles · 3.0 · with David Marom
expectation pending — we’re still fetching an opponent’s record
6-4, 6-3
L
2026-06-01 · SKY RED · #1 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
3-6, 6-4, 1-0
L
2026-05-30 · SKY BLUE · #1 Doubles · 3.0 · with John Camins
expectation pending — we’re still fetching an opponent’s record
6-3, 3-6, 0-1
L
2026-05-25 · SKY BLUE · #1 Doubles · 3.0 · with Steve Ferris
expectation pending — we’re still fetching an opponent’s record
2-6, 4-6
W
2026-05-11 · SKY BLUE · #1 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
6-3, 7-5
L
2026-05-04 · SKY BLUE · #1 Doubles · 3.0 · with Aaron Duke
expectation pending — we’re still fetching an opponent’s record
4-6, 4-6
W
2026-04-20 · SKY BLUE · #2 Singles · 3.0
expectation pending — we’re still fetching an opponent’s record
2-6, 7-6, 1-0
Teams15 teams · 2023–2026
SKY BLUE
2026 USTA ADULT 18 & OVER - DEN · MEN 3.0 - 18 & OVER · 18+
2026
SKY RED
2026 USTA ADULT 40 & OVER - DEN · MEN 3.0 - 40 & OVER · 40+
2026
SKY YELLOW
2026 CTA TWILIGHT - DEN · MEN 3.0 - TWILIGHT
2026
Over timerating by season, and how you rank
By level1 levels played
3.0
66.7%
20W–10L · 57.1% of games

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

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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King