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Katie Trettin

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Monroe, LA
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
49 matches · 38W–11L · seasons 2019–2025
Match history49 matches
W
2025-10-07 · Coffey, Celia · #1 Doubles · 8.5 · with MacKenzie Carmody
doesn’t count toward your NTRP rating
6-3, 6-3
W
2025-09-09 · Coffey, Celia · #1 Doubles · 8.5 · with Juli Johnson
doesn’t count toward your NTRP rating
6-4, 6-4
W
2025-07-07 · Sessums, Joey · #2 Doubles · 3.5 · with Kellan Clower
loading the estimate
6-2, 6-0
L
2025-06-24 · Coffey, Celia · #1 Doubles · 3.5 · with Kelly Howard
loading the estimate
0-6, 2-6
W
2025-06-02 · Sessums, Joey · #2 Doubles · 3.5 · with Colleen Roberts
loading the estimate
6-1, 7-5
W
2025-05-27 · Coffey, Celia · #1 Doubles · 3.5 · with Gayla Elliott
loading the estimate
6-4, 6-1
W
2024-12-08 · Mahaffey, Madison · #1 Singles · 4.0
loading the estimate
6-0, 6-2
W
2024-11-06 · Mahaffey, Madison · #1 Singles · 4.0
loading the estimate
6-2, 6-4
W
2024-10-20 · Mahaffey, Madison · #1 Singles · 4.0
loading the estimate
7-5, 6-2
W
2024-10-07 · Coffey, Celia · #1 Doubles · 8.5 · with Juli Johnson
doesn’t count toward your NTRP rating
6-2, 6-2
L
2024-10-05 · Coffey, Celia · #1 Doubles · 8.5 · with Madison Mahaffey
doesn’t count toward your NTRP rating
5-7, 6-3, 0-1
W
2024-09-18 · Nunnally, Emily · #1 Doubles · 9.5 · with AnneMarie Kimball
doesn’t count toward your NTRP rating
6-0, 6-0
Where you rank locallyagainst everyone at your level
Teams18 teams · 2019–2025
Over timerating by season, and how you rank
By level8 levels played
3.0
100%
4W–0L · 64.7% of games
3.5
57.1%
8W–6L · 54.8% of games
4.0
100%
6W–0L · 76.8% of games
4.5
3W–0L
not enough matches yet
7.5
2W–0L
not enough matches yet
8.5
75%
9W–3L · 62.8% of games
9.5
1W–0L
not enough matches yet
8.0mixed
71.4%
5W–2L · 60.5% of games

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

By lineusually #1 Doubles, 51% of the time
#1 Doubles
51%
25 matches
#2 Doubles
27%
13 matches
#3 Doubles
14%
7 matches
#1 Singles
8%
4 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.

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