Kowalski, Sebastian

USTA ID
2018778307
Gender
Male
Location
Chicago, IL
WTN ID
KOW5686812

TennisLink · USTA · WTN

Active Flights

M 3.5 Winter
Tam (Bhat)
Mixed 8.0 Winter
Gnvw (Wu)
M 4.0 Winter
Tam (Bhat)

NTRP Ratings

RatingTypeYearDateExpires
3.5 C 2025 Dec. 31, 2025 Dec. 31, 2028

WTN Ratings

Singles
27.78
Confidence 80 · 26.1–29.5
Doubles
28.24
Confidence 60 · 26.5–30.0

Position Distribution

Men's Combo 3.5
16 matches
1# Singles
15 (94%)
3# Doubles
1 (6%)
Men's Combo 4.0
16 matches
1# Singles
5 (31%)
2# Doubles
1 (6%)
2# Singles
8 (50%)
3# Doubles
2 (12%)
Mixed Doubles 8.0
5 matches
2# Doubles
1 (20%)
3# Doubles
4 (80%)

Partners

PartnerWLxWTogether
Ann Park 0 1 0.2 1
Erik Swanson 1 0 0.5 1
Melissa Ko 0 1 0.5 1
Amy Pouba 1 0 0.6 1
Kim Johnson Flodin 0 1 0.0 1
Chandana Namburi 1 0 0.4 1
Ken Brocker 0 1 0.3 1
Michael Smith 0 1 0.2 1
Daniel Mendoza 1 0 0.5 1

Opponents

OpponentWLxWFaced
Carlos Canetta 2 1 0.9 3
Peidi Wu 2 0 1.4 2
Alex Yeh 1 0 0.6 1
Koki Saito 0 1 0.2 1
Teodora Varcheva 0 1 0.2 1
Kevin Wang 0 1 0.2 1
Carlos Garcia 0 1 0.5 1
Meaghan Flynn 0 1 0.5 1
Colleen Chionis 1 0 0.6 1
Thomas Strickler 1 0 0.6 1
Ethan Purrington 0 1 0.6 1
Taya Zoubareva 0 1 0.0 1
Rick Spurgeon 0 1 0.0 1
Kristen Hemmings 1 0 0.4 1
Jeff Stafford 1 0 0.4 1
Srinivas Challuri 1 0 0.8 1
Thomas Huneck 1 0 0.8 1
Christopher Bucholtz 1 0 0.4 1
Enrico Marcato 1 0 0.8 1
Neel Vaidya 0 1 0.6 1
Louie Gonzalez 1 0 0.6 1
Saurabh Kumar 1 0 0.6 1
Scott Drury 1 0 0.5 1
Vijaykumar Patel 0 1 0.3 1
Arvind Ramesh 0 1 0.3 1
Krishnakumar Ganesh 0 1 0.3 1
Matt Lorentsen 0 1 0.3 1
Zoltan Fogarasi 0 1 0.3 1
Akihiro Okumura 0 1 0.2 1
Brent Chatham 0 1 0.2 1
Andrew Ginsberg 0 1 0.2 1
Tony Lyu 0 1 0.2 1
Kenta Nakamura 0 1 0.5 1
Dragisa Kupresak 1 0 0.3 1

Match History (37)

DateFlightPosPartnerOpponent(s)ScoreP(win)Result
3/29/2026 M 3.5 Winter 1# Singles — Alex Yeh 4-6 6-3 1-0 56% W
3/29/2026 Mixed 8.0 Winter 2# Doubles Ann Park Koki Saito / Teodora Varcheva 5-7 6-5 1-0 18% L
3/28/2026 M 4.0 Winter 3# Doubles Erik Swanson 6-0 6-0 W
3/22/2026 M 4.0 Winter 2# Singles — Kevin Wang 6-0 6-0 22% L
3/22/2026 Mixed 8.0 Winter 3# Doubles Melissa Ko Carlos Garcia / Meaghan Flynn 6-3 6-2 51% L
3/15/2026 Mixed 8.0 Winter 3# Doubles Amy Pouba Colleen Chionis / Thomas Strickler 7-5 6-2 62% W
3/8/2026 M 3.5 Winter 1# Singles — Ethan Purrington 6-3 7-5 62% L
3/8/2026 Mixed 8.0 Winter 3# Doubles Kim Johnson Flodin Taya Zoubareva / Rick Spurgeon 6-1 6-1 2% L
3/1/2026 Mixed 8.0 Winter 3# Doubles Chandana Namburi Kristen Hemmings / Jeff Stafford 6-2 7-5 41% W
11/15/2025 Men 3.5 1# Singles — Srinivas Challuri 6-4 6-0 81% W
11/9/2025 Men 3.5 1# Singles — Thomas Huneck 6-3 6-3 79% W
10/26/2025 Men 3.5 1# Singles — Christopher Bucholtz 1-6 6-4 1-0 38% W
10/12/2025 Men 3.5 1# Singles — Enrico Marcato 6-1 6-1 78% W
9/28/2025 Men 3.5 1# Singles — Neel Vaidya 6-2 6-4 60% L
3/22/2025 40 & Over M 3.5 Winter 1# Singles — Louie Gonzalez 6-3 6-4 56% W
3/16/2025 40 & Over M 3.5 Winter 1# Singles — Saurabh Kumar 6-3 6-3 63% W
3/1/2025 40 & Over M 3.5 Winter 1# Singles — Scott Drury 7-5 6-4 53% W
1/18/2025 40 & Over M 3.5 Winter 1# Singles — Carlos Canetta 3-6 6-2 1-0 36% W
12/14/2024 40&O Men 3.5 1# Singles — 6-0 6-0 W
12/7/2024 40&O Men 3.5 1# Singles — Vijaykumar Patel 6-0 6-1 31% L
11/23/2024 40&O Men 3.5 1# Singles — Carlos Canetta 6-3 6-2 21% W
11/10/2024 40&O Men 3.5 3# Doubles Ken Brocker Arvind Ramesh / Krishnakumar Ganesh 7-5 6-4 35% L
10/5/2024 40&O Men 3.5 1# Singles — Carlos Canetta 6-4 6-2 32% L
3/4/2023 M 4.0 Winter 2# Singles — 6-0 6-0 W
1/22/2023 M 4.0 Winter 2# Singles — Matt Lorentsen 6-0 6-3 29% L
1/15/2023 M 4.0 Winter 2# Singles — Zoltan Fogarasi 6-4 7-6 26% L
12/3/2022 M 4.0 2# Singles — Peidi Wu 6-4 4-1 64% W
11/12/2022 M 4.0 1# Singles — 6-0 6-0 W
10/29/2022 M 4.0 2# Singles — 6-0 6-0 W
10/22/2022 M 4.0 2# Singles — 6-0 6-0 W
4/9/2022 M 4.0 Winter 1# Singles — Akihiro Okumura 6-4 6-2 15% L
4/2/2022 M 4.0 Winter 2# Doubles Michael Smith Brent Chatham / Andrew Ginsberg 6-1 6-1 17% L
3/19/2022 M 4.0 Winter 3# Doubles Daniel Mendoza 6-0 6-0 W
3/12/2022 M 4.0 Winter 1# Singles — Tony Lyu 6-2 6-1 16% L
3/5/2022 M 4.0 Winter 1# Singles — Peidi Wu 6-4 6-7 1-0 79% W
2/19/2022 M 4.0 Winter 2# Singles — Kenta Nakamura 6-3 7-5 54% L
2/5/2022 M 4.0 Winter 1# Singles — Dragisa Kupresak 6-3 6-3 30% W

Team History

YearFlightTeamRole
2026 CDTA E 18&O Men 3.5 CDTA E 18&OM3.5 4Tam Bhat Sun 11 $22
2026 CDTA 18 & Over M 3.5 Winter Active CDTA W 18&OM3.5 8.Tam Bhat Sun 11 $22
2026 CDTA Mixed 18 & Over 8.0 Winter Active CDTA W M18&O8.0 1.Gnvw Wu Sun 5 $21
2026 CDTA 18 & Over M 4.0 Winter Active CDTA W 18&OM4.0 6.Tam Bhat Sat 3 $22
2025 CDTA E 40&O Men 3.5 CDTA E 40&OM3.5 1.Tam Robbie Sat 3 $22
2025 CDTA 40 & Over M 3.5 Winter CDTA W 40&OM3.5 4.Tam Robbie Sat 3 $22
2023 CDTA ESL 18&O M 4.0 CDTA E 18&O M4.0 XS Thymes Sat 6 $22
2023 CDTA 18 & Over M 4.0 Winter CDTA W 18&O 4.0M XS Thymes Sat 6 $22
2022 CDTA 18 & Over M 4.0 Winter CDTA W 18&O 4.0M Wimbledon Thymes Sat 3/5 $20