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Bill Au

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San Mateo, CA
4.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
137 matches · 81W–56L · seasons 2019–2026
Match history137 matches
L
2026-11-01 · MILLBRAE RC CM8.5A · #2 Doubles · 8.5 · with Evan Vercellini
doesn’t count toward your NTRP rating
5-7, 4-6
W
2026-10-27 · LADERA OAKS CM7.5A · #1 Doubles · 7.5 · with Steve Fisher
doesn’t count toward your NTRP rating
6-4, 7-5
W
2026-10-25 · MILLBRAE RC CM8.5A · #3 Doubles · 8.5 · with Derek Fung
doesn’t count toward your NTRP rating
6-4, 6-2
W
2026-10-19 · MILLBRAE RC CM8.5A · #1 Doubles · 8.5 · with Derek Fung
doesn’t count toward your NTRP rating
4-6, 7-6, 1-0
W
2026-10-18 · LADERA OAKS CM7.5A · #1 Doubles · 7.5 · with Manu Lohiya
doesn’t count toward your NTRP rating
7-5, 6-3
L
2026-10-11 · MILLBRAE RC CM8.5A · #1 Doubles · 8.5 · with Paul Choppi
doesn’t count toward your NTRP rating
7-5, 3-6, 0-1
W
2026-10-04 · LADERA OAKS CM7.5A · #1 Doubles · 7.5 · with Benito Barillas
doesn’t count toward your NTRP rating
6-4, 6-4
W
2026-10-03 · MILLBRAE RC CM8.5A · #1 Doubles · 8.5 · with Paul Choppi
doesn’t count toward your NTRP rating
7-5, 6-1
L
2026-09-22 · LADERA OAKS CM7.5A · #1 Doubles · 7.5 · with Steve Fisher
doesn’t count toward your NTRP rating
6-4, 3-6, 0-1
W
2026-09-20 · MILLBRAE RC CM8.5A · #3 Doubles · 8.5 · with Richard Lobo
doesn’t count toward your NTRP rating
6-4, 6-1
W
2026-09-15 · LADERA OAKS CM7.5A · #1 Doubles · 7.5 · with Matt Berkowitz
doesn’t count toward your NTRP rating
6-1, 6-3
L
2026-08-30 · LADERA OAKS CM7.5A · #2 Doubles · 7.5 · with Matt Berkowitz
doesn’t count toward your NTRP rating
6-2, 1-6, 0-1
Where you rank locallyagainst everyone at your level
Teams23 teams · 2019–2026
Over timerating by season, and how you rank
By level5 levels played
4.0
69.9%
58W–25L · 56.8% of games
4.5
21.4%
6W–22L · 41.3% of games
7.5
63.6%
7W–4L · 56.7% of games
8.5
71.4%
5W–2L · 57.9% of games
8.0mixed
62.5%
5W–3L · 55.3% of games

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

By lineusually #1 Doubles, 45% of the time
#1 Doubles
45%
62 matches
#3 Doubles
27%
37 matches
#2 Doubles
22%
30 matches
#1 Singles
3%
4 matches
#2 Singles
3%
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