Seoryang (Hayden) Chang

2017

Win/Loss Statistics

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Victories 51 7 - - - 58
Losses 48 23 - - - 71
Win Ratio 51.5% 23.3% - - - 45.0%
Pool Victories 39 6 - - - 45
Pool Losses 34 19 - - - 53
Pool Win Ratio 53.4% 24.0% - - - 45.9%
DE Victories 12 1 - - - 13
DE Losses 14 4 - - - 18
DE Win Ratio 46.2% 20.0% - - - 41.9%

Note: Seasons start on August 1st and end on July 31st.

Scores

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Easy wins† 19 1 - - - 20
Easy wins as % of wins 37.3% 14.3% - - - 34.5%
Close wins‡ 12 2 - - - 14
Close wins as % of all wins 23.5% 28.6% - - - 24.1%
Close losses‡ 4 3 - - - 7
Close losses as % of all losses 8.3% 13.0% - - - 9.9%
Big losses† 17 13 - - - 30
Big losses as % of all losses 35.4% 56.5% - - - 42.3%

† Easy victories or big losses are those with the score difference of 4 or more touches in a pool, 7 or more touches in direct elimination, and 5 or more in veteran and youth direct elimination.
‡ Close bouts are those with the score difference of 1 or fewer touches in a pool, 3 or fewer touches in direct elimination, or 2 or fewer touches in veteran or youth direct elimination.

Bouts with Time Expired

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Victories 2 - - - - 2
Victories as % of all victories 3.9% 0.0% - - - 3.4%
Losses 1 - - - - 1
Losses as % of all losses 2.1% 0.0% - - - 1.4%
Total 3 - - - - 3
Total as % of all bouts 3.0% 0.0% - - - 2.3%

Events

2025-2026 2024-2025 2023-2024 2022-2023 Before 2022 All Time
Events 14 5 - - - 19
Tournaments 10 5 - - - 15

Competition History

Fortune RYC/RJCC

Y-10 Men's Foil (U, Y10), March 15, 2026
Place 38 of 63, Seed 39, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:2 SANGANI Niam 53 U 54 SoCAL Fencing Center 741 445 19.3 31%
Pool V 5:4 TAN Austin 31 U 55 Maximum Fencing Club 351 464 11.5 57%
Pool D 3:5 ZHANG William 4 12 U 3 Team Touche Fencing Center 1406 476 2.2 6%
Pool V 5:4 LIN Evan 22 81 U 35 Precision Athletics Fencing Club 889 473 21.5 25%
Pool D 1:5 PARK Jackson 56 U 31 Prime Fencing Academy 787 495 8.5 32%
Pool D 2:5 ZENG Cayden 15 43 U 13 Silicon Valley Fencing Center 879 486 7.1 26%
T64 D 7:8 HE Andrew 47 U 27 Silicon Valley Fencing Center 1025 1333 44.0 68%

Fortune RYC/RJCC

Y-8 Men's Foil (U, Y8), March 14, 2026
Place 2 of 32, Seed 17, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 3:5 PARK Ethan 14 U 10 LA International Fencing / Precision Athletics Fencing Club 607 490 12.2 42%
Pool D 1:5 LIU Jordan 24 U 14 Golubitsky Fencing Center 749 478 9.6 33%
Pool D 4:5 LU Nathan 23 U 20 Silicon Valley Fencing Center 262 469 18.1 63%
Pool D 2:5 LIU Kyle 4 U 19 Elite International Fencers Club 384 451 14.5 54%
Pool V 4:3 ZHANG Bowen 7 U 15 Silicon Valley Fencing Center 144 436 8.9 68%
T32 V 10:4 LI Evan 8 U 17 Silicon Valley Fencing Center 1628 1159 46.1 28%
T16 V 10:6 PARK Ethan 14 U 10 LA International Fencing / Precision Athletics Fencing Club 1561 1205 54.3 29%
T8 V 8:5 PARK Jackson 22 U 5 Prime Fencing Academy 1492 1259 46.2 36%
T4 V 10:9 WU William 21 U 3 SoCAL Fencing Center 1405 1305 38.7 44%
T2 D 5:10 LEUNG Jackson 28 U 1 S-class Fencing 2026 1344 10.5 14%

UFA Foil Cup #2 - Y8, Y10, Y12, D & Under

Y-8 Mixed Foil (U, Y8), February 22, 2026
Place 5 of 11, Seed 1, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:5 FOO Preston 9 U 2 Socal Fencing Center 117 498 22.3 73%
Pool V 5:1 IGE Cooper 2 U 7 Universal Swords and Fitness 119 476 8.4 72%
Pool V 5:0 DARNSTEADT Everest 7 U 8 United Fencing Academy -28 484 6.2 77%
Pool V 5:0 CHO Aerin 6 U 10 Golubitsky Fencing Center
T8 D 8:10 NACU Andre 8 U 3 Socal Fencing Center 1218 1197 38.2 49%

UFA Foil Cup #2 - Y8, Y10, Y12, D & Under

Y-10 Mixed Foil (U, Y10), February 22, 2026
Place 3 of 16, Seed 6, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:5 VIVAS Greyson 1 U 5 Socal Fencing Center 201 528 22.8 70%
Pool D 3:5 OH Aaron 13 U 6 Elite International Fencers Club 546 505 14.4 47%
Pool D 2:5 LEE Elliot 12 U 1 United Fencing Academy 797 490 9.6 31%
Pool D 2:5 HARUTYUNYAN Alisa 8 U 16 United Fencing Academy
Pool V 5:3 PARK Ethan 16 U 7 La International Fencing / Precision Athletics Fencing Club 610 481 17.4 42%
T16 V 10:6 SASOMSUP Kaison 11 U 9 United Fencing Academy 1249 1137 52.9 43%
T8 V 10:9 OH Aaron 13 U 6 Elite International Fencers Club 1165 1189 41.7 51%
T4 D 6:10 WU William 3 U 2 Socal Fencing Center 1389 1231 34.4 40%

LAIFC OC Rising Stars Foil #11

Y-10 Men's Foil (None, Y10), February 15, 2026
Place 3 of 12, Seed 8, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:2 GAO Ethan 10 U 9 Socal Fencing Center 381 511 13.8 58%
Pool V 5:0 KWOK Ethan 4 U 8 Swordplay LA -235 525 4.3 89%
Pool V 5:3 LI Dylan 1 U 11 LA International Fencing / Orange County Fencing Center 235 529 10.0 67%
Pool V 5:4 DOMANTAY Dylan 9 U 2 Los Angeles International Fencing Club 247 539 10.4 68%
Pool D 3:5 SHEN Cyrus 5 U 3 LA International Fencing Center 257 550 22.2 68%
T8 V 10:1 CHANG Seobin 2 U 6 SoCAL Fencing Center 1966 1078 103.9 11%
T4 D 7:10 DOMANTAY Dylan 9 U 2 Los Angeles International Fencing Club 1233 1182 45.3 47%

Mary Rafanelli RYC/RJCC

Y-10 Men's Foil (None, Y10), January 18, 2026
Place 21 of 45, Seed 40, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 MALAKAN Noah 41 U 43 Fresno Fencing Club -148 476 6.3 84%
Pool V 5:3 RUDENKO Zhdan 31 U 39 Elite Fencing Club 391 482 15.5 56%
Pool D 0:5 ZHANG William 1 13 U 3 Team Touche Fencing Center 1354 498 3.5 8%
Pool V 5:4 WU Kangdi 30 U 12 LA International Fencing 467 494 16.8 52%
Pool V 5:3 CHANG George 15 U 25 Silicon Valley Fencing Center 447 511 15.7 54%
Pool D 3:5 LEE Reiden 14 U 24 Maximum Fencing Club 587 527 15.5 46%
T32 D 3:10 LIU Jordan 45 U 13 Golubitsky Fencing Center 1366 1118 39.8 35%

2nd Annual BBFC RYC and Y8

Y-8 Men's Foil (U, Y8), December 14, 2025
Place 3 of 11, Seed 9, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:3 CHANG Dalton 5 U 3 SoCAL Fencing Center
Pool V 5:1 FENG Liam 7 U 10 Avant Garde Fencers Club, Inc (CA) (AGFC) -123 446 7.3 81%
Pool V 5:3 WANG Jayden 2 U 9 LA International Fencing 201 454 11.9 65%
Pool V 5:3 KIM Cain 3 U 11 Elite Fencing Club 128 466 10.5 69%
T8 V 10:7 TANG Lorenzo 10 U 6 S-Class Fencing 1090 1117 52.7 51%
T4 D 5:10 WU William 1 U 2 SoCAL Fencing Center 1284 1170 51.8 43%

Nick Itkin Cup SYC

Y-10 Men's Foil (U, Y10), December 7, 2025
Place 34 of 57, Seed 50, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 0:5 LOZANO Koen Alexander 17 50 U 10 LA International Fencing 1063 395 6.4 14%
Pool V 5:0 OH Aaron 56 U 57 Elite International Fencers Club 506 389 22.2 43%
Pool V 5:2 LU Nathan 39 U 50 Silicon Valley Fencing Center 279 411 16.2 59%
Pool D 1:5 LIU Jordan 37 U 27 Golubitsky Fencing Center 822 427 10.4 26%
Pool D 0:5 TAO Jiemi 2 7 U 1 1714 417 1.0 2%
Pool V 5:4 TIKHONOV Aleksandr 21 65 U 8 Bida Fencing Academy 843 416 30.7 24%
T64 D 3:10 DONG YIKUN 26 76 U 31 Silicon Valley Fencing Center 1106 1195 77.6 55%

Nick Itkin Cup SYC

Y-8 Men's Foil (U, Y8), December 5, 2025
Place 12 of 19, Seed 19, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 IGE Cooper 9 U 13 Universal Swords and Fitness -70 438 9.7 79%
Pool D 2:5 LEUNG Jackson 4 U 2 S-class Fencing 880 448 11.0 24%
Pool D 2:5 XU Evan 10 U 9 Silicon Valley Fencing Center 475 437 19.9 48%
Pool V 5:2 FENG Liam 3 U 17 Avant Garde Fencers Club, Inc (CA) (AGFC) -143 417 8.4 81%
Pool D 3:5 MENG Daniel 14 U 10 Golubitsky Fencing Center 78 425 30.4 71%
T16 D 9:10 ZHANG kingsley 8 U 6 LA International Fencing 1437 1249 54.5 39%

13th Annual Little Musketeers RYC & RJC

Y-10 Men's Foil (U, Y10), October 11, 2025
Place 31 of 40, Seed 21, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 YIN Luke 13 54 U 15 SoCAL Fencing Center 834 518 37.4 30%
Pool D 1:5 MENG Eric 4 20 U 3 Golubitsky Fencing Center 831 555 16.7 33%
Pool D 1:5 RUDENKO Zhdan 36 U 24 Elite Fencing Club 368 538 29.5 61%
Pool D 2:5 RAJ Yojith 9 46 U 5 Maximum Fencing Club 856 509 14.1 28%
Pool D 2:5 STOCK Ian 29 U 22 Massialas Foundation (M Team) 147 495 34.4 71%
Pool D 3:5 GONG Luke 32 U 29 San Diego Fencing Center 463 460 21.8 50%
T64 V 10:4 NGUYEN Rhys 39 U 34 Precision Athletics Fencing Club 1500 1180 110.1 33%
T32 D 7:10 ZHANG William 2 11 U 2 Team Touche Fencing Center 1743 1290 41.4 24%

San Diego Cup - Youth Foil #1

Y-8 Mixed Foil (U, Y8), September 28, 2025
Place 9 of 12, Seed 8, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 3:5 NACU Andre 5 U 6 SoCAL Fencing Center 144 563 44.0 75%
Pool D 2:5 LIU Jordan 9 U 3 Golubitsky Fencing Center 825 519 17.1 31%
Pool D 3:5 LIU Kyle 1 U 3 Elite International Fencers Club 2532 502 1.1 2%
Pool V 5:1 SOTTO Oscar 4 U 11 LA International Fencing 224 501 17.0 66%
Pool D 1:5 TRAN Remy 7 U 8 Teach Touche Fencing Center
T16 D 2:10 TRAN Remy 7 U 8 Teach Touche Fencing Center

San Diego Cup - Youth Foil #1

Y-10 Men's Foil (U, Y10), September 28, 2025
Place 6 of 13, Seed 1, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:1 NACU Andre 4 U 8 SoCAL Fencing Center 121 505 18.6 73%
Pool V 5:2 GAO Ethan 11 U 3 Socal Fencing Center 286 524 23.0 65%
Pool D 2:5 LOZANO Koen Alexander 5 U 2 LA International Fencing Center 1035 547 14.6 21%
Pool V 5:2 SOTTO Oscar 7 U 13 LA International Fencing 837 532 36.8 33%
Pool D 1:5 SANGANI Niam 12 U 5 Socal Fencing Center 590 569 27.6 49%
Pool V 5:2 LIBIGER Krystof 10 U 12 Team Touche Fencing Center 361 541 21.5 61%
T16 V 10:8 LIBIGER Krystof 10 U 12 Team Touche Fencing Center 1832 1173 124.2 24%
T8 D 7:10 GAO Ethan 11 U 3 Socal Fencing Center 1086 1298 117.3 62%

Fortune ROC/RJCC/RYC

Y-8 Men's Foil (U, Y8), August 31, 2025
Place 6 of 24, Seed 11, Not ranked, Rating U, Socal Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 2:5 LIN Evan 21 U 1 Socal Fencing Center 617 387 28.6 36%
Pool V 5:1 RUAN Alexander 5 U 24 Silicon Valley Fencing Center 91 359 23.6 64%
Pool V 5:1 HUANG Eden 4 U 21 Universal Swords and Fitness 510 382 34.0 43%
Pool V 5:4 PARK Ethan 13 U 13 Precision Athletics Fencing Club 516 416 37.5 44%
Pool V 5:1 LI Evan 18 U 12 Silicon Valley Fencing Center 1202 454 50.9 17%
T16 V 10:5 PARK Ethan 13 U 13 Precision Athletics Fencing Club 1962 1089 225.7 15%
T8 D 6:10 LIU Jordan 12 U 3 Golubitsky Fencing Center 1094 1315 141.2 62%

LAIFC OC Rising Stars Foil #9

Y-8 Mixed Foil (U, Y8), August 24, 2025
Place 3 of 12, Seed 5, Not ranked, Rating U, SoCAL Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:2 NACU Andre 4 U 6 SoCAL Fencing Center 34 292 31.9 65%
Pool V 5:3 WANG Charles 10 U 10 Los Angeles International Fencing Club 2500 323 83.4 2%
Pool V 5:4 PARK Ethan 1 U 8 Precision Athletics Fencing Club 525 407 44.5 43%
Pool D 3:5 WU William 9 U 3 Socal Fencing Center 66 451 63.9 73%
Pool V 5:0 SOTTO Hugo 12 U 12 LA International Fencing Center
T8 V 10:8 DANIEL Meng 11 U 7 Golubitsky Fencing Center 950 957 141.2 50%
T4 D 7:10 CHANG Seobin 7 U 1 SoCAL Fencing Center 2921 1098 9.3 3%

LAIFC OC Rising Stars Foil #8

Y-8 Men's Foil (U, Y8), April 27, 2025
Place 5 of 14, Seed 14, Not ranked, Rating U, LAIFC / Orange County Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:3 ZHOU Bryce 6 U 13 Swordplay LA 639 224 93.9 28%
Pool V 5:2 WU William 11 U 9 SoCAL Fencing Center -121 317 34.1 75%
Pool V 5:0 SASOMSUP Kaison 2 U 6 United Fencing Academy 662 352 81.1 32%
Pool D 4:5 SMITH Benson 3 U 3 SoCAL Fencing Center 609 433 43.4 40%
Pool D 2:5 LIU Jordan 10 U 2 Golubitsky Fencing Center 945 389 22.8 20%
Pool D 1:5 LIN Evan 13 U 1 Socal Fencing Center 610 367 37.2 35%
Pool D 2:5 LEE Elliot 5 U 4 United Fencing Academy 522 329 37.9 38%

Fortune SYC/RJCC & Y8

Y-8 Men's Foil (U, Y8), March 29, 2025
Place 35 of 37, Seed 36, Not ranked, Rating U, LA International Fencing
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:5 YU Ethan 20 U 2 946 374 38.6 19%
Pool D 0:5 LIU Charles 7 U 23 Redstar Fencing Club Chicago 913 335 35.5 19%
Pool D 4:5 ZHOU Bryce 33 U 33 Swordplay LA 804 300 36.4 26%
Pool D 0:5 HUANG Owen 18 U 1 Socal Fencing Center 1164 263 15.8 8%
Pool D 3:5 LI Mason 6 U 8 Silicon Valley Fencing Center 941 248 24.1 14%
T64 D 4:10 CHANG Dalton 2 U 29 LA International Fencing

Meade Hansford Anderson Memorial RYC/RCC

Y-8 Men's Foil (U, Y8), March 22, 2025
Place 15 of 16, Seed 3, Not ranked, Rating U, LA International Fencing
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 1:5 CHANG Owen 12 U 3 Precision Athletics Fencing Club 796 682 118.7 43%
Pool D 2:5 LIU Jordan 11 U 12 Golubitsky Fencing Center 605 564 106.8 48%
Pool D 0:5 HUANG Owen 4 U 2 SoCAL Fencing Center 1087 457 40.6 17%
Pool D 0:5 YU Ethan 15 U 7 981 416 42.3 20%
T16 D 2:10 ZHANG alex 7 U 3 SoCAL Fencing Center 1138 1154 197.3 51%

LAIFC OC Rising Stars Foil #7

Y-8 Men's Foil (U, Y8), February 9, 2025
Place 6 of 11, Seed 7, Not ranked, Rating U, LA International Fencing Center / Orange County Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool V 5:2 CHANG Dalton 6 U 10 LA International Fencing Center / Orange County Fencing Center
Pool D 1:5 LEE Elliot 9 U 3 United Fencing Academy 451 1423 537.6 89%
Pool V 5:4 WU William 3 U 8 SoCAL Fencing Center -66 885 42.6 90%
Pool D 2:5 BAGWELL Theodore 2 U 3 LA International Fencing Center 552 928 245.5 70%
T16 V 10:6 ZHONG Jasper 11 U 11 LA International Fencing Center / Orange County Fencing Center 1299 1178 283.9 45%
T8 D 2:10 LIN Evan 1 U 2 Socal Fencing Center 1199 1462 307.9 63%

LAIFC OC Rising Stars Foil #6

Y-8 Mixed Foil (U, Y8), December 8, 2024
Place 13 of 17, Seed 8, Not ranked, Rating U, LA International Fencing Center / Orange County Fencing Center
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Chance of
Victory
Pool D 4:5 CHENG Jessica 17 U 7 LA International Fencing Center
Pool D 2:5 LEE Elliot 14 U 5 United Fencing Academy 489 2500 1545.0 97%
Pool V 5:4 NACU Andre 11 U 11 2500 955 467.8 9%
Pool D 0:5 ZHANG Alex 2 U 3
Pool D 3:5 SUN April 5 U 16 LA International Fencing
T16 D 0:10 BAGWELL Theodore 1 U 3 LA International Fencing Center 898 2500 1321.7 94%