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Brian Kosobucki

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Verona, WI
4.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
351 matches · 232W–119L · seasons 2019–2026
Match history351 matches
W
2026-10-28 · WI Combo Mixed 8.5 MALT Lee · #3 Doubles · 8.5 · with Christina Price
loading the estimate
6-2, 6-1
W
2026-10-23 · WI Combo Mixed 8.5 MALT Lee · #2 Doubles · 8.5 · with Patricia VanVoorhees
loading the estimate
6-7, 6-3, 1-0
W
2026-10-07 · #1 Doubles · with Samantha Saetang
loading the estimate
6-1, 6-2
W
Default
2026-10-04 · #1 Doubles · 0.0 · with Michelle Tallentyre
doesn’t count toward your NTRP rating
6-0, 6-0
L
2026-09-28 · WI Combo 9.5M MALT Kosobucki · #3 Doubles · 9.5 · with James Davidson
doesn’t count toward your NTRP rating
3-6, 3-6
W
2026-09-26 · WI Mixed 18 & Over 9.0 MALT Kosobucki · #3 Doubles · 9.0 · with Michelle Tallentyre mixed championship
doesn’t count toward your NTRP rating
7-6, 7-6
L
2026-09-25 · WI Mixed 18 & Over 9.0 MALT Kosobucki · #3 Doubles · 9.0 · with Michelle Tallentyre mixed championship
doesn’t count toward your NTRP rating
2-6, 4-6
W
2026-09-22 · WI Combo 8.5M MALT Kosobucki · #2 Doubles · 8.5 · with Bob Whiteis
doesn’t count toward your NTRP rating
6-1, 6-2
W
2026-09-20 · WI Mixed 18 & Over 9.0 MALT Kosobucki · #3 Doubles · 9.0 · with Michelle Tallentyre mixed championship
doesn’t count toward your NTRP rating
7-6, 7-5
L
2026-09-13 · #1 Doubles · with Samantha Saetang
loading the estimate
2-6, 1-6
W
2026-09-08 · WI Combo 8.5M MALT Kosobucki · #3 Doubles · 8.5 · with Elliott Appel
doesn’t count toward your NTRP rating
6-1, 6-2
W
2026-08-30 · #1 Doubles · with Michelle Tallentyre
loading the estimate
7-5, 6-2
Where you rank locallyagainst everyone at your level
Teams63 teams · 2019–2026
Over timerating by season, and how you rank
By level12 levels played
0.0
2W–0L
not enough matches yet
4.0
83.3%
15W–3L · 68.2% of games
4.5
57.4%
54W–40L · 56.2% of games
5.0
53.7%
22W–19L · 53.4% of games
7.5
70%
14W–6L · 60.9% of games
8.5
74.6%
53W–18L · 59.9% of games
9.5
64%
16W–9L · 59.6% of games
7.0mixed
100%
6W–0L · 76.6% of games
7.5mixed
2W–0L
not enough matches yet
8.0mixed
74.2%
23W–8L · 60.8% of games
8.5mixed
1W–2L
not enough matches yet
9.0mixed
50%
8W–8L · 51.4% of games

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

By lineusually #1 Doubles, 41% of the time
#1 Doubles
41%
143 matches
#2 Doubles
32%
113 matches
#3 Doubles
21%
74 matches
#1 Singles
3%
12 matches
#2 Singles
3%
9 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