Saburo Koshizawa
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Hoffman Estates, IL
40 matches · 32W–8L · seasons 2025–2026
USTA moved this player up a level mid-season in 2027. A published rating does not change until the end of the year, so the level shown above can be behind what USTA has already decided.
Match history40 matches
Where you rank locallyagainst everyone at your level
Teams11 teams · 2025–2027
CHI E 18M4.0 6.FV Takahashi Sat 2 $26
CHI E M18.8.0 3.CPE Sitar Fri 7:30 $28
CDTA E 18&OM4.0 7FV Takahashi Sat 4 $25
CDTA S 18&OM4.0 6.FV Takahashi Sat 11 $25
CDTA S 40&OM4.0 2.RT Ciuca Sat 4 $27
CDTA S M18&O8.0 2.CPE Sitar Fri 7 $28
CDTA W 18&OM4.0 7.FV Takahashi Sat 2 $25
CDTA W 40&OM4.0 6.RT Takahashi Sun 7 $27
CDTA W M18&O8.0 6.CPE Sitar Fri 7:30 $28
Over timerating by season, and how you rank
By level3 levels played
4.0
70%
14W–6L · 60.2% of games
7.0mixed
83.3%
5W–1L · 63.7% of games
8.0mixed
92.9%
13W–1L · 71.2% of games
Games won matters more than matches won — NTRP adjusts on margins.
By lineusually #1 Doubles, 35% of the time
#1 Doubles
35%
14 matches
#2 Doubles
33%
13 matches
#3 Doubles
30%
12 matches
#1 Singles
3%
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.
Start where you are. Use what you have. Do what you can.