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William Haberkorn

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Mountain View, CA
3.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
31 matches · 23W–8L · seasons 2024–2025
Match history31 matches
L
2025-06-14 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #1 Doubles · 3.5 · with David Wei
loading the estimate
5-7, 6-7
L
2025-06-01 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #1 Doubles · 3.5 · with Brandt Fuse
loading the estimate
0-6, 2-6
W
2025-05-31 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #3 Doubles · 3.5 · with Akhil Hazari
loading the estimate
7-6, 4-6, 1-0
L
2025-05-18 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #2 Doubles · 3.5 · with Minh La
loading the estimate
0-6, 1-6
W
2025-04-26 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #1 Doubles · 3.5 · with Nhan Nguyen
loading the estimate
6-7, 6-1, 1-0
W
2025-04-20 · MOUNTAIN VIEW TC/RENGSTORFF PK 18AM3.5A · #2 Doubles · 3.5 · with Nhan Nguyen
loading the estimate
6-4, 6-2
L
2025-03-01 · #1 Doubles · 7.0 · with Suzanne Nick mixed
doesn’t count toward your NTRP rating
1-6, 4-6
W
2025-02-22 · #2 Doubles · 7.0 · with Michelle Lin mixed
doesn’t count toward your NTRP rating
6-2, 4-6, 1-0
L
2025-02-15 · #1 Doubles · 7.0 · with Priya Shete mixed
doesn’t count toward your NTRP rating
6-2, 3-6, 0-1
W
2025-01-26 · #1 Doubles · 7.0 · with Brooke Kerpelman mixed
doesn’t count toward your NTRP rating
7-5, 2-6, 1-0
L
2025-01-25 · #3 Doubles · 7.0 · with Jill Nagahara-Evans mixed
doesn’t count toward your NTRP rating
1-6, 1-6
W
2024-10-26 · WALLENBERG PK CM6.5A · #2 Doubles · 6.5 · with Peng Xi
doesn’t count toward your NTRP rating
7-5, 6-4
Where you rank locallyagainst everyone at your level
Teams10 teams · 2024–2025
Over timerating by season, and how you rank
By level5 levels played
3.0
91.7%
11W–1L · 64.6% of games
3.5
50%
3W–3L · 44.3% of games
6.5
83.3%
5W–1L · 55% of games
6.0mixed
2W–0L
not enough matches yet
7.0mixed
40%
2W–3L · 41.6% of games

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

By lineusually #2 Doubles, 45% of the time
#2 Doubles
45%
14 matches
#1 Doubles
42%
13 matches
#3 Doubles
13%
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.

Start where you are. Use what you have. Do what you can.
Arthur Ashe