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Mark Sidor

Littleton, CO
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
87 matches · 46W–41L · seasons 20192026

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Match history87 matches
W
2026-07-14 · CK RED · #2 Doubles · 3.5 · with Aaron Merritt
expectation pending — we’re still fetching an opponent’s record
7-5, 6-3
L
2026-06-30 · CK RED · #1 Doubles · 3.5 · with Brock Norris
expectation pending — we’re still fetching an opponent’s record
6-7, 6-3, 0-1
W
2026-06-23 · CK RED · #3 Doubles · 3.5 · with James Morrison
expectation pending — we’re still fetching an opponent’s record
6-1, 1-6, 1-0
L
Cole Bloom / Edward Buechechamps
2026-06-13 · #3 Doubles · with James Morrison
expectation pending — we’re still fetching an opponent’s record
2-6, 2-6
L
2026-06-12 · SS-H YELLOW · #3 Doubles · 8.0 · with Jeff Hamilton
expectation pending — we’re still fetching an opponent’s record
6-7, 1-6
L
2026-06-09 · CK RED · #2 Doubles · 3.5 · with James Morrison
expectation pending — we’re still fetching an opponent’s record
5-7, 2-6
W
Jon Piper / Jim Stewart
2026-06-02 · CK RED · #3 Doubles · 3.5 · with James Morrison
expectation pending — we’re still fetching an opponent’s record
6-2, 6-1
L
2026-05-29 · SS-H YELLOW · #1 Doubles · 8.0 · with Jimmie Rose
expectation pending — we’re still fetching an opponent’s record
2-6, 6-4, 0-1
L
2026-05-22 · SS-H YELLOW · #2 Doubles · 8.0 · with Charles Greenhouse
expectation pending — we’re still fetching an opponent’s record
1-6, 5-7
W
2026-05-19 · CK RED · #3 Doubles · 3.5 · with James Morrison
expectation pending — we’re still fetching an opponent’s record
6-1, 2-6, 1-0
W
2026-05-17 · CK RED · #3 Doubles · 7.0 · with Gina Akins
doesn’t count toward your NTRP rating
6-3, 6-3
W
Michael Hursta / Robert Carlson
2026-05-11 · CK RED · #3 Doubles · 3.5 · with Aaron Nall
expectation pending — we’re still fetching an opponent’s record
3-6, 6-4, 1-0
Where you rank locallyagainst everyone at your level
Teams16 teams · 2023–2026
Over timerating by season, and how you rank
By level4 levels played
3.5
81.8%
18W–4L · 60.1% of games
4.0
48%
12W–13L · 52.8% of games
8.0
40%
14W–21L · 45.9% of games
7.0mixed
50%
2W–2L · 52.7% 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.

It’s one of the reasons why I like tennis so much. Because you have to figure it out on your own.
Roger Federer