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Heidi Corkern

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Alamo, CA
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
96 matches · 53W–43L · seasons 2019–2026
Match history96 matches
L
2026-10-27 · DIABLO CC CW7.5A-DT · #2 Doubles · 7.5 · with Alexis Bybel
doesn’t count toward your NTRP rating
1-6, 3-6
L
2026-10-19 · DIABLO CC CW6.5A · #3 Doubles · 6.5 · with Michelle Gherlone
doesn’t count toward your NTRP rating
2-6, 1-6
W
2026-10-15 · DIABLO CC CW6.5A-DT · #3 Doubles · 6.5 · with Melissa Kapulica
doesn’t count toward your NTRP rating
6-1, 6-2
L
2026-10-01 · DIABLO CC CW7.5A-DT · #2 Doubles · 7.5 · with Kirsten Miks
doesn’t count toward your NTRP rating
7-5, 0-6, 0-1
W
2026-09-22 · DIABLO CC CW6.5A-DT · #1 Doubles · 6.5 · with Sarah Bantz
doesn’t count toward your NTRP rating
3-6, 7-5, 1-0
L
2026-09-17 · DIABLO CC CW6.5A · #1 Doubles · 6.5 · with Melissa Kapulica
doesn’t count toward your NTRP rating
5-7, 3-6
W
2026-09-16 · DIABLO CC CW7.5A-DT · #3 Doubles · 7.5 · with Veronica Butcher
doesn’t count toward your NTRP rating
6-0, 3-6, 1-0
L
2026-08-25 · DIABLO CC CW6.5A · #3 Doubles · 6.5 · with Michelle Gherlone
doesn’t count toward your NTRP rating
5-7, 4-6
W
Default
2026-05-15 · DIABLO CC 18AW3.5A-DT · #1 Singles · 3.5
doesn’t count toward your NTRP rating
6-0, 6-0
W
2026-05-14 · DIABLO CC 18AW3.5A · #2 Doubles · 3.5 · with Sia McDonald
loading the estimate
7-5, 7-5
W
2026-05-01 · DIABLO CC 18AW3.5A-DT · #2 Doubles · 3.5 · with Alexis Bybel
loading the estimate
6-3, 6-2
W
2026-04-18 · DIABLO CC 18AW3.5A · #2 Doubles · 3.5 · with Rochelle Rich
loading the estimate
4-6, 6-3, 1-0
Where you rank locallyagainst everyone at your level
Teams42 teams · 2019–2026
Over timerating by season, and how you rank
By level7 levels played
2.5
62.5%
5W–3L · 51.8% of games
3.0
1W–0L
not enough matches yet
3.5
59%
36W–25L · 52.9% of games
5.5
75%
3W–1L · 61% of games
6.5
27.3%
3W–8L · 42.8% of games
7.5
50%
4W–4L · 50.7% of games
7.0mixed
1W–2L
not enough matches yet

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

By lineusually #1 Doubles, 42% of the time
#1 Doubles
42%
40 matches
#2 Doubles
38%
36 matches
#3 Doubles
17%
16 matches
#1 Singles
3%
3 matches
#2 Singles
1%
1 match

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.

You always want to win. That is why you play tennis, because you love the sport and try to be the best you can.
Roger Federer