Jack Kostrinsky
USTA National Level 3 Tournament: Team BryanStart Date: 5/4/2019  End Date: 5/6/2019
Boys' 18 Singles (Draw Line - 3)
32Ansh Shah d. Jack Kostrinsky6-4; 6-0
 Consolation:
R2Michael Fourchy d. Jack Kostrinsky6-1; 6-0
R1Jack Kostrinsky d. Matthew Sypert6-1
USTA National Level 3: Darling Memorial Spring NationalStart Date: 4/20/2019  End Date: 4/22/2019
Boys' 18 Singles (Draw Line - 14)
32(6) Daniel Zhou d. Jack Kostrinsky6-1; 1-6; 1-0(5)
 Consolation:
R1Landon Hover d. Jack Kostrinsky4-6; 6-3; 1-0(5)
Boys' 18 Doubles (Draw Line - 8)
QHover/Weisberg d. Kostrinsky/Rehwinkel8-6
16Kostrinsky/Rehwinkel d. Zhou/fENG8-6
USTA Intermountain Level 4 Spring MastersStart Date: 4/5/2019  End Date: 4/9/2019
Boys' 18 Singles (Draw Line - 64)
SF(4) Artem Iermolov d. (2) Jack Kostrinsky6-2; 1-6; 6-3
Q(2) Jack Kostrinsky d. (6) Neil Wilcox6-2; 6-4
16(2) Jack Kostrinsky d. Rua Elmore6-3; 6-2
32(2) Jack Kostrinsky d. Matthew Sypert6-4; 6-3
 Consolation:
PL(5) Dylan Applegate d. (2) Jack Kostrinsky6-2; 6-4
Boys' 18 Doubles (Draw Line - 9)
SF(1) Iermolov/Robb-Wilcox d. (3) Applegate/Kostrinsky8-2
Q(3) Applegate/Kostrinsky d. Grigoryan/Whiting8-3
16(3) Applegate/Kostrinsky d. Gordon/Parlade8-6
USTA National Level 3: Muterspaw ChampionshipStart Date: 3/23/2019  End Date: 3/25/2019
Boys' 18 Singles (Draw Line - 27)
32(7) Matthan Tharakan d. Jack Kostrinsky6-3; 6-2
 Consolation:
CFJack Kostrinsky d. (1) Alexander Richards
CSJack Kostrinsky d. Jack Ninteman7-5; 7-5
CQJack Kostrinsky d. Ilya Bolotsky6-2; 7-5
R2Jack Kostrinsky d. (8) Rudra Dixit6-1; 7-5
R1Jack Kostrinsky d. Gabriel Chavez6-4; 6-0
Boys' 18 Doubles (Draw Line - 11)
16(3) Duran/Pesic d. Claus/Kostrinsky8-5
USTA National Level 2 at Darling Tennis CenterStart Date: 2/16/2019  End Date: 2/18/2019
Boys' 18 Doubles (Draw Line - 3)
16Bickersteth/Dransfeld d. Botticelli/Kostrinsky8-4
USTA National Level 3 TournamentStart Date: 1/26/2019  End Date: 1/28/2019
Boys' 18 Singles (Draw Line - 23)
32(3) Karl Collins d. Jack Kostrinsky6-3; 7-6(4)
 Consolation:
CSBruno Krenn d. Jack Kostrinsky6-3; 6-1
CQJack Kostrinsky d. Seiya Duran6-2; 6-4
R2Jack Kostrinsky d. Teague Burger6-1; 6-1
R1Jack Kostrinsky d. Nayan Pallegar6-3; 6-1
Boys' 18 Doubles (Draw Line - 16)
16Blair/Krenn d. (2) Kostrinsky/Vandecasteele8-4
USTA Intermountain Level 4 Winter MastersStart Date: 1/18/2019  End Date: 1/22/2019
Boys' 18 Singles (Draw Line - 48)
16(10) Lucas Hammond d. (4) Jack Kostrinsky4-6; 7-6(7); 6-2
32(4) Jack Kostrinsky d. Samson Knape6-0; 6-0
 Consolation:
CF(4) Jack Kostrinsky d. Brendan Lock6-2; 6-1
CS(4) Jack Kostrinsky d. (11) Matthew Sypert6-3; 6-1
CQ(4) Jack Kostrinsky d. (15) Andre Williams6-2; 6-2
R3(4) Jack Kostrinsky d. (5) Artem Iermolov7-5; 6-4
Boys' 18 Doubles (Draw Line - 32)
SF(4) Botticelli/Williams d. (2) Kostrinsky/Vandecasteele9-8
Q(2) Kostrinsky/Vandecasteele d. Gupte/Sypert8-3
16(2) Kostrinsky/Vandecasteele d. Barton/Wood8-0
USTA Intermountain Level 3 Closed Fall ChampionshipsStart Date: 11/9/2018  End Date: 11/13/2018
Boys' 18 Singles (Draw Line - 11)
32(5) Jett Middleton d. Jack Kostrinsky7-5; 1-6; 6-3
64Jack Kostrinsky d. Kyler Hartman6-1; 6-0
 Consolation:
CQ(8) Connor Robb-Wilcox d. Jack Kostrinsky7-6(4); 6-4
R3Jack Kostrinsky d. Artem Iermolov2-6; 6-1(5)
3QJack Kostrinsky d. Luke Andrews6-2; 6-0
R2Jack Kostrinsky d. Trent Beckman6-1; 6-1
Boys' 18 Doubles (Draw Line - 25)
Q(2) Jordaan/Owen d. Botticelli/Kostrinsky8-6
16Botticelli/Kostrinsky d. MIKKELSON/Parlade8-0
32Botticelli/Kostrinsky d. Curtis/Violette8-0
Vegas Strong District Cup (Level 5)Start Date: 10/4/2018  End Date: 10/7/2018
Boys' 18 Singles (Draw Line - 7)
SF(1) Axel Botticelli d. Jack Kostrinsky
QJack Kostrinsky d. (3) Max Wolfson6-2; 6-1
16Jack Kostrinsky d. Ethan Quandt
Boys' 18 Doubles (Draw Line - 5)
SFBrilliant/Safbom d. Botticelli/Kostrinsky
QBotticelli/Kostrinsky d. Parlade/Williams8-4
Mike Agassi No Quit - USTA Level 3 TournamentStart Date: 9/22/2018  End Date: 9/24/2018
Boys' 18 Singles (Draw Line - 8)
16(7) Quinn Vandecasteele d. Jack Kostrinsky4-6; 7-6(4); 1-0(4)
32Jack Kostrinsky d. kyle pham6-1; 6-2
 Consolation:
CQJudson Blair d. Jack Kostrinsky6-4; 6-4
R2Jack Kostrinsky d. (8) Matthew Kregness6-2; 6-1
Boys' 18 Doubles (Draw Line - 3)
Q(1) Kasday/Quiles d. Botticelli/Kostrinsky8-0
16Botticelli/Kostrinsky d. Emerson/Pallegar8-2
USTA Intermountain Level 4 Labor Day MastersStart Date: 8/31/2018  End Date: 9/4/2018
Boys' 18 Singles (Draw Line - 58)
16(2) Blake Kasday d. Jack Kostrinsky6-4; 6-7(3); 6-2
32Jack Kostrinsky d. Nicholas Lubamersky
64Jack Kostrinsky d. Alex Miller6-2; 6-0
 Consolation:
CQArtem Iermolov d. Jack Kostrinsky7-5; 7-5
R3Jack Kostrinsky d. Ethan Violette6-0; 6-0
Boys' 18 Doubles (Draw Line - 28)
F(1) Kasday/Quiles d. Botticelli/Kostrinsky8-7(5)
SFBotticelli/Kostrinsky d. (3) Landen/Rideout8-2
QBotticelli/Kostrinsky d. (2) Byrne/Hartman8-2
16Botticelli/Kostrinsky d. Kunkel/McCoy8-3
USTA Boys' 18 and Boys' 16 National ChampionshipsStart Date: 8/3/2018  End Date: 8/12/2018
Boys' 16 Singles (Draw Line - 203)
256(39) Dillon Blake d. Jack Kostrinsky7-5; 6-4
 Consolation:
R2(59) Andrew Chang d. Jack Kostrinsky6-4; 3-6; 1-0(9)
R1Jack Kostrinsky d. Michael Zheng
Boys' 16 Doubles (Draw Line - 54)
128(27) Ray/Smith d. Hamano/Kostrinsky6-4; 6-1
USTA Boys' 18 & 16 National Clay Court Championships hosted by the City of Delray BeachStart Date: 7/15/2018  End Date: 7/22/2018
Boys' 16 Singles (Draw Line - 190)
128(3) JJ Tracy d. Jack Kostrinsky6-3; 6-2
256Jack Kostrinsky d. Jiaxi Ma3-6; 7-5; 2-1
 Consolation:
R2Billy Suarez d. Jack Kostrinsky6-3; 6-0
Boys' 16 Doubles (Draw Line - 20)
64(8) Banerjee/Colak d. Kammerer/Kostrinsky6-2; 6-3
128Kammerer/Kostrinsky d. Burke/Williams6-2; 6-7; 1-0(4)
USTA Intermountain Level 3 Closed Summer ChampionshipsStart Date: 6/9/2018  End Date: 6/13/2018
Boys' 18 Singles (Draw Line - 23)
64Ryan Neale d. Jack Kostrinsky7-5; 6-3
 Consolation:
R2Arjun Gupta d. Jack Kostrinsky3-6; 6-3; 1-0
R1Jack Kostrinsky d. Trent Beckman6-3; 6-0
Boys' 18 Doubles (Draw Line - 30)
QAndre/Kasday d. Bailey/Kostrinsky9-8
16Bailey/Kostrinsky d. (2) Kuyama/Lorenz9-8
32Bailey/Kostrinsky d. Nassif/Seehausen8-2
Round Legend
F  =  Finals
PL  =  Playoff
SF  =  Semifinals
QF  =  Quarterfinals
16  =  Round of 16
32  =  Round of 32
64  =  Round of 64
128  =  Round of 128
256  =  Round of 256
RR  =  Round Robin
QQ  =  Quarterfinal Qualifier
R5  =  Round 5
5Q  =  Round 5 Qualifier
R4  =  Round 4
4Q  =  Round 4 Qualifier
R3  =  Round 3
3Q  =  Round 3 Qualifier
R2  =  Round 2
R1  =  Round 1