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Ronald Kao

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San Diego, CA
5.0C year-end 2025
i
Computer — generated by the USTA algorithm from match play
143 matches · 73W–70L · seasons 2019–2026
Match history143 matches
L
2026-11-01 · SD Super HT Peninsula TC (4:30PM)/ Ginter · #1 Doubles · 10.0 · with Brittany Swenson mixed
loading the estimate
5-7, 4-6
W
Default
2026-10-18 · SD Super HT Peninsula TC (4:30PM)/ Ginter · #1 Doubles · with Brittany Swenson mixed
doesn’t count toward your NTRP rating
6-0, 6-0
L
2026-05-15 · SD 9.0 Ron/ May · #1 Doubles · 9.0 · with May Sumi mixed
loading the estimate
6-4, 1-6, 0-1
L
2026-05-13 · SD 9.0 Ron/ May · #1 Doubles · 9.0 · with May Sumi mixed
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6-3, 6-7, 0-1
L
2026-04-26 · SoCal/Martinez/18&Over9.0XD · #3 Doubles · 9.0 · with May Sumi mixed championship
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1-6, 4-6
L
2026-04-25 · SoCal/Martinez/18&Over9.0XD · #1 Doubles · 9.0 · with May Sumi mixed championship
loading the estimate
4-6, 6-7
W
2026-03-21 · SD 10.0 Miramar/ William and Ron · #3 Doubles · 10.0 · with Kari Katzenmeier mixed
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7-6, 6-4
L
2026-03-06 · WC SD 5.0 Peninsula TC/ Tobi Ojo · #1 Doubles · 5.0 · with William Chiu championship
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4-6, 1-6
W
2026-02-14 · SoCal/Martinez/18&Over9.0XD · #2 Doubles · 9.0 · with May Sumi mixed
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6-1, 6-1
L
2026-02-07 · SD 10.0 Miramar/ William and Ron · #2 Doubles · 10.0 · with Aesha Patel mixed
loading the estimate
2-6, 2-6
W
2026-02-07 · SoCal/Martinez/18&Over9.0XD · #1 Doubles · 9.0 · with May Sumi mixed
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3-6, 7-5, 1-0
L
2026-01-31 · SD 10.0 Miramar/ William and Ron · #2 Doubles · 10.0 · with Emily Peterson mixed
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4-6, 5-7
Where you rank locallyagainst everyone at your level
Teams42 teams · 2019–2026
Over timerating by season, and how you rank
By level7 levels played
4.0
1W–0L
not enough matches yet
4.5
77.8%
7W–2L · 64.7% of games
5.0
45.8%
22W–26L · 47.7% of games
10.0mixed
48%
12W–13L · 49.4% of games
4.5mixed
1W–0L
not enough matches yet
8.5mixed
1W–0L
not enough matches yet
9.0mixed
55.3%
21W–17L · 53.8% of games

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

By lineusually #1 Doubles, 44% of the time
#1 Doubles
44%
63 matches
#2 Doubles
25%
35 matches
Singles
13%
19 matches
#3 Doubles
13%
18 matches
#1 Singles
6%
8 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.

Tennis is a perfect combination of violent action taking place in an atmosphere of total tranquillity.
Billie Jean King