Colleen Callahan
Littleton, CO
135 matches · 55W–80L · seasons 2021–2026
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Match history135 matches
L
Deborah Miller
expectation pending — we’re still fetching an opponent’s record
2-6, 3-6
L
expectation pending — we’re still fetching an opponent’s record
3-6, 3-6
Where you rank locallyagainst everyone at your level
Teams36 teams · 2021–2026
Over timerating by season, and how you rank
By level5 levels played
2.5
62.3%
43W–26L · 54.4% of games
3.0
13%
3W–20L · 35.1% of games
5.5mixed
23.1%
3W–10L · 44.1% of games
6.0mixed
18.5%
5W–22L · 36.6% of games
6.5mixed
1W–2L
not enough matches yet
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.
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.