Johnson Ranch Junior Singles ChampionshipsStart Date: 2/15/2020  End Date: 2/17/2020
Boys' 18 Singles (Draw Line - 7)
16Dylan Tsoi d. Mason Nguyen6-1; 6-1
32Mason Nguyen d. Adam Linette6-1; 7-6(4)
 Consolation:
CF(5) Zachary Fuchs d. Mason Nguyen6-3; 7-5
CSMason Nguyen d. Arav Waghray6-4; 6-0
CQMason Nguyen d. Brodie Sodersten7-5; 6-2
R2Mason Nguyen d. Curtis Lin6-2; 6-3
USTA National Level 2 TournamentStart Date: 2/8/2020  End Date: 2/10/2020
Boys' 14 Singles (Draw Line - 9)
SF(1) Adam Sun d. (3) Mason Nguyen6-2; 6-2
Q(3) Mason Nguyen d. (5) Vincent Yang6-2; 6-1
16(3) Mason Nguyen d. Ivan Perisic6-3; 6-2
32(3) Mason Nguyen d. Christian Trevey6-0; 6-0
 Consolation:
PL(6) Krish Arora d. (3) Mason Nguyen6-4; 7-6(6)
Boys' 14 Doubles (Draw Line - 16)
PLKoduri/Tallakson d. (2) Nguyen/Yang8-6
SFGelletich/Murugesan d. (2) Nguyen/Yang8-7; 7-4
Q(2) Nguyen/Yang d. Johanson/Kukla8-7(3)
16(2) Nguyen/Yang d. Garbett/Nieder8-7(2)
USTA National Winter ChampionshipsStart Date: 12/28/2019  End Date: 1/3/2020
Boys' 14 Singles (Draw Line - 0)
QZhengqing Ji d. (8) Mason Nguyen6-2; 6-3
16(8) Mason Nguyen d. (9) Easton Horricks6-3; 6-2
32(8) Mason Nguyen d. A Filer6-3; 6-3
64(8) Mason Nguyen d. Ian Miller6-1; 6-1
128(8) Mason Nguyen d. rishi verma6-0; 6-1
Boys' 14 Doubles (Draw Line - 57)
16(2) Frusina/Sun d. Han/Nguyen6-3; 6-0
32Han/Nguyen d. Balthazor/SANKARAN RAJENDRA6-4; 4-6; 1-0(8)
64Han/Nguyen d. Filer/Long6-4; 5-7; 1-0(9)
Boys' 14 Singles GOLD DRAW (Losers from QFNLs) (Draw Line - 3)
FCarson Baker d. Mason Nguyen6-3; 6-1
SFMason Nguyen d. Alexander Frusina
Natomas Junior Super SeriesStart Date: 11/30/2019  End Date: 12/1/2019
Boys' 18 Singles - B (Draw Line - 4)
QMason Nguyen d. Arjun Sahasrabuddhe
NorCal Junior Fall Singles Sectional Championships @ Broadstone Sports ClubStart Date: 10/12/2019  End Date: 10/20/2019
Boys' 18 Singles (Draw Line - 24)
16(4) Sidharth Jangbahadur d. Mason Nguyen7-5; 6-1
32Mason Nguyen d. (9) Luvdeep Bal7-5; 6-7(5); 6-3
64Mason Nguyen d. Justin Scullion
 Consolation:
R3Sriram Das d. Mason Nguyen
NorCal 12s & 14s Junior Doubles Sectionals @ Fremont Tennis CenterStart Date: 9/28/2019  End Date: 9/29/2019
Boys' 14 Doubles (Draw Line - 32)
F(2) Nguyen/Okada-Alonzo d. (3) Ogata/Tandon6-7(5; 6-2; 7-6(16-14)
SF(2) Nguyen/Okada-Alonzo d. (8) Duris/O'Callaghan6-3; 6-4
Q(2) Nguyen/Okada-Alonzo d. (5) Gular/Park8-1
16(2) Nguyen/Okada-Alonzo d. Bhandari/Stratakos8-1
32(2) Nguyen/Okada-Alonzo d. He/Mallampati8-1
Zimmerman/Johnson USTA National Tournament at Stanford University - USTA International TournamentStart Date: 9/13/2019  End Date: 9/15/2019
Boys' 14 Singles (Draw Line - 12)
QRaghav Jangbahadur d. (4) Mason Nguyen6-0; 6-1
16(4) Mason Nguyen d. Kartik Mandla6-3; 6-3
S-N(2) Mitchell Lee d. (4) Mason Nguyen6-4; 6-0
F-NWCyrus Ahmad d. (4) Mason Nguyen2-6; 6-2; 6-0
USTA Boys' 14 National Clay Court ChampionshipsStart Date: 7/14/2019  End Date: 7/21/2019
Boys' 14 Singles (Draw Line - 121)
64(34) Kaylan Bigun d. (21) Mason Nguyen6-0; 6-0
128(21) Mason Nguyen d. Diego Herrera2-6; 6-1; 6-0
 Consolation:
4Q(56) Rohan Belday d. (21) Mason Nguyen6-2; 6-3
R3(21) Mason Nguyen d. Jake Kennedy7-6(9); 4-6; 10-4
Boys' 14 Doubles (Draw Line - 11)
64(12) Purohit/Yang d. Nguyen/Reznik6-3; 6-4
 Consolation:
CS(9) Aney/Lokko d. Nguyen/Reznik6-2; 6-4
CQNguyen/Reznik d. Hota/Hota6-4; 7-6(3)
R4Nguyen/Reznik d. Singh/Wight7-5; 6-4
R3Nguyen/Reznik d. Martinez/Parichkov
NorCal Boys' 18 & 16 Junior Sectional Championships @ Natomas Sports ClubStart Date: 6/8/2019  End Date: 6/17/2019
Boys' 16 Singles (Draw Line - 2)
64(1) Ryan Torres d. Mason Nguyen6-1; 6-4
 Consolation:
R2Nishan Rajavasireddy d. Mason Nguyen
R1Mason Nguyen d. johnathan xie
Boys' 16 Doubles (Draw Line - 4)
32Chulani/Huang d. Desai/Nguyen8-1
NorCal 16s &18s Junior Excellence @ University of the PacificStart Date: 5/25/2019  End Date: 5/27/2019
Boys' 16 Singles (Draw Line - 22)
16(4) Dylan Tsoi d. Mason Nguyen
32Mason Nguyen d. Albert Shi0-6; 6-3; 6-2
 Consolation:
R2Ryan Hsieh d. Mason Nguyen
Boys' 16 Doubles (Draw Line - 14)
16Hoang/Tzeng d. Eedara/Nguyen
USTA National Level 2 TournamentStart Date: 5/18/2019  End Date: 5/20/2019
Boys' 14 Singles (Draw Line - 9)
Q(6) Emon van Loben Sels d. (3) Mason Nguyen3-6; 6-4; 1-0(7)
16(3) Mason Nguyen d. Brandon Huang6-3; 6-3
32(3) Mason Nguyen d. Arjun Tandon7-6(5); 6-2
 Consolation:
PL-S(3) Mason Nguyen d. (7) Alexander Frantzis6-1; 6-2
PL-F(3) Mason Nguyen d. Soham Purohit
Boys' 14 Doubles (Draw Line - 7)
16Purohit/Semler d. Nguyen/Okada-Alonzo8-3
USTA National Level 3Start Date: 4/20/2019  End Date: 4/22/2019
Boys' 14 Singles (Draw Line - 1)
SF(7) Alan Ton d. (1) Mason Nguyen6-2; 6-2
Q(1) Mason Nguyen d. William Hsieh7-6; 7-5
16(1) Mason Nguyen d. Gabriel Lopez6-2; 6-3
32(1) Mason Nguyen d. Hughes Peus6-1; 6-0
 Consolation:
PL(1) Mason Nguyen d. Grant Gallagher6-4; 6-4
USTA National Championships - Easter BowlStart Date: 3/23/2019  End Date: 3/30/2019
Boys' 14 Singles (Draw Line - 55)
64(5) Alex Cairo d. Mason Nguyen6-4; 6-2
 Consolation:
3QChad Miller d. Mason Nguyen6-3; 6-1
R2Mason Nguyen d. Jaxon Lamb6-3; 6-3
R1Mason Nguyen d. Brett Keeling6-1; 7-5
Boys' 14 Doubles (Draw Line - 27)
32(5) Lian/Visser d. Muhala/Nguyen6-2; 6-2
Gold River Junior UTR ChampionshipsStart Date: 3/16/2019  End Date: 3/17/2019
Flight 1/Boys' UTR Singles (Draw Line - 0)
R3Mason Nguyen d. Pavan Murugesh
R2Mason Nguyen d. Alex Long6-4; 1-6; 10-3
R1Mason Nguyen d. Dylan Tsoi6-4; 6-4
Flight 1/Boys' UTR Doubles (Draw Line - 4)
FLong/Tsoi d. Murugesh/Nguyen8-6
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