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Jonathon Feyerherm

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San Bruno, CA
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
207 matches · 119W–88L · seasons 2019–2026
Match history207 matches
W
2026-11-01 · LAFAYETTE TC CM8.5A · #2 Doubles · 8.5 · with Blake Smith
doesn’t count toward your NTRP rating
6-3, 6-2
L
2026-10-31 · LAFAYETTE TC CM9.5A · #1 Doubles · 9.5 · with Steven Hahm
doesn’t count toward your NTRP rating
3-6, 6-4, 0-1
W
2026-10-29 · LAFAYETTE TC CM8.5A · #1 Doubles · 8.5 · with Blake Smith
doesn’t count toward your NTRP rating
6-3, 7-5
W
Michael Lam
2026-10-27 · Singles tourney
doesn’t count toward your NTRP rating
6-0, 6-1
W
2026-10-24 · LAFAYETTE TC CM8.5A · #3 Doubles · 8.5 · with Maikel Garcia Despaigne
doesn’t count toward your NTRP rating
4-6, 7-6, 1-0
W
2026-10-18 · LAFAYETTE TC CM8.5A · #1 Doubles · 8.5 · with Nick Behling
doesn’t count toward your NTRP rating
6-2, 6-4
L
2026-10-16 · OGeez/Lok/San Francisco · #1 Doubles · 4.5 · with Kent Byun
loading the estimate
5-7, 6-7
W
2026-10-16 · OGeez/Lok/San Francisco · #1 Doubles · 4.5 · with Kent Byun
loading the estimate
6-4, 6-4
L
2026-10-11 · LAFAYETTE TC CM8.5A · #3 Doubles · 8.5 · with Roger Yang
doesn’t count toward your NTRP rating
2-6, 2-6
W
Rafael Mansur Haddad
2026-10-03 · Singles tourney
doesn’t count toward your NTRP rating
6-3, 6-1
L
2026-09-28 · LAFAYETTE TC CM8.5A · #2 Doubles · 8.5 · with Matthew Goodyear
doesn’t count toward your NTRP rating
4-6, 1-6
W
2026-09-26 · LAFAYETTE TC CM8.5A · #2 Doubles · 8.5 · with Manish Singh
doesn’t count toward your NTRP rating
3-6, 6-3, 1-0
Where you rank locallyagainst everyone at your level
Teams37 teams · 2019–2026
Over timerating by season, and how you rank
By level4 levels played
4.5
57.8%
59W–43L · 50.3% of games
8.5
62.8%
27W–16L · 51.9% of games
9.5
25%
4W–12L · 38.1% of games
8.0mixed
59.3%
16W–11L · 50.6% of games

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

By lineusually #1 Doubles, 30% of the time
#1 Doubles
30%
63 matches
#2 Doubles
30%
63 matches
#3 Doubles
27%
56 matches
Singles
9%
19 matches
#2 Singles
2%
4 matches
#1 Singles
1%
2 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