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Sebastian Jaczewski

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Granite Bay, CA
3.5C year-end 2025
i
Computer — generated by the USTA algorithm from match play
41 matches · 3W–38L · seasons 2023–2025
Match history41 matches
L
2025-10-06 · ROSEVILLE LIFE TIME CM7.5A · #3 Doubles · 7.5 · with Matt Hillman
doesn’t count toward your NTRP rating
3-6, 2-6
L
2025-09-25 · ROSEVILLE LIFE TIME CM7.5A · #2 Doubles · 7.5 · with Travis Tremble
doesn’t count toward your NTRP rating
3-6, 3-6
L
2025-09-03 · ROSEVILLE LIFE TIME CM7.5A · #2 Doubles · 7.5 · with John Reading
doesn’t count toward your NTRP rating
1-6, 3-6
L
2025-06-11 · ROSEVILLE LIFE TIME 18AM4.0A-DT · #1 Singles · 4.0
loading the estimate
4-6, 0-6
L
2025-06-09 · ROSEVILLE LIFE TIME 18AM4.0A · #2 Doubles · 4.0 · with Gaja Naik
loading the estimate
4-6, 2-6
L
2025-06-04 · ROSEVILLE LIFE TIME 18AM4.0A-DT · #1 Singles · 4.0
loading the estimate
1-6, 2-6
L
2025-05-04 · ROSEVILLE LIFE TIME 18AM4.0A · #1 Singles · 4.0
loading the estimate
1-6, 1-6
L
2025-04-21 · ROSEVILLE LIFE TIME 18AM4.0A-DT · #1 Singles · 4.0
loading the estimate
1-6, 3-6
W
2025-04-15 · ROSEVILLE LIFE TIME 18AM4.0A · #3 Doubles · 4.0 · with Chirdeep Bhutani
loading the estimate
7-5, 6-0
L
2025-04-11 · ROSEVILLE LIFE TIME 18AM4.0A-DT · #1 Singles · 4.0
loading the estimate
1-6, 2-6
L
William Bunce
2025-03-27 · Singles · 4.0 tourney
doesn’t count toward your NTRP rating
1-6, 1-6
L
2025-03-14 · ROSEVILLE LIFE TIME 40AM4.0A-DT · #2 Doubles · 4.0 · with Matt Goodman
loading the estimate
2-6, 3-6
Where you rank locallyagainst everyone at your level
Teams8 teams · 2024–2025
Over timerating by season, and how you rank
By level2 levels played
4.0
6.7%
2W–28L · 35.5% of games
7.5
0%
0W–5L · 34% of games

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

By lineusually #1 Singles, 29% of the time
#1 Singles
29%
12 matches
#2 Doubles
29%
12 matches
#3 Doubles
15%
6 matches
Singles
15%
6 matches
#1 Doubles
7%
3 matches
#2 Singles
5%
2 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.

The mark of great sportsmen is not how good they are at their best, but how good they are at their worst.
Martina Navratilova