Statistics Profile

Isaiah Oh

Verified
2011
Heisler Fencing Club

Win/loss statistics

2026-2027 2025-2026 2024-2025 2023-2024 Before 2023 All time
Victories 20 24 - - - 44
Losses 8 67 - - - 75
Win ratio 71.4% 26.4% - - - 37.0%
Pool victories 11 22 - - - 33
Pool losses 6 55 - - - 61
Pool win ratio 64.7% 28.6% - - - 35.1%
DE victories 9 2 - - - 11
DE losses 2 12 - - - 14
DE win ratio 81.8% 14.3% - - - 44.0%

Seasons start on August 1 and end on July 31.

Scores

2026-2027 2025-2026 2024-2025 2023-2024 Before 2023 All time
Easy wins† 11 5 - - - 16
Easy wins % 55.0% 20.8% - - - 36.4%
Close wins‡ 3 7 - - - 10
Close wins % 15.0% 29.2% - - - 22.7%
Close losses‡ 1 13 - - - 14
Close losses % 12.5% 19.4% - - - 18.7%
Big losses† 5 32 - - - 37
Big losses % 62.5% 47.8% - - - 49.3%

† Easy victories or big losses are 4+ touches in pools, 7+ in standard DEs, and 5+ in veteran or youth DEs.

‡ Close bouts are 1 touch or fewer in pools, 3 or fewer in standard DEs, and 2 or fewer in veteran or youth DEs.

Bouts with time expired

2026-2027 2025-2026 2024-2025 2023-2024 Before 2023 All time
Victories 1 - - - - 1
Victories % 5.0% 0.0% - - - 2.3%
Losses - 1 - - - 1
Losses % 0.0% 1.5% - - - 1.3%
Total 1 1 - - - 2
Total % 3.6% 1.1% - - - 1.7%

Events

2026-2027 2025-2026 2024-2025 2023-2024 Before 2023 All time
Events 4 14 - - - 18
Tournaments 2 12 - - - 14

Competition history

18 competitions, 119 bouts

October Capital Foil & Epee Circuit: Unrated, Senior, Youth

Senior Mixed Foil E1, SNR October 3, 2026

Place 1 of 6 Seed 2 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:3 REZASOLTANI Ryan 3 - U 5 Heisler Fencing Club 644 850 11.6 61%
Pool
V 5:4 MESSINA Liam 1 - U 3 Napa Valley Fencing Academy / Capital Fencing Club 747 861 14.8 57%
Pool
D 3:5 QIAO Alexander 5 - U 6 Heisler Fencing Club 373 876 24.9 77%
Pool
D 0:5 MAZZA DDS Daniel (Dan) G. 6 - U 3 Davis Fencing Academy 1034 851 13.2 38%
Pool
D 3:5 MENDOZA Ethanial 4 - U 2 Heisler Fencing Club 1030 838 12.7 38%
T8
V 15:13 REZASOLTANI Ryan 3 - U 5 Heisler Fencing Club 2500 1400 79.3 15%
T4
V 15:13 MESSINA Liam 1 - U 3 Napa Valley Fencing Academy / Capital Fencing Club 1334 1480 48.4 58%
T2
V 15:9 MENDOZA Ethanial 4 - U 2 Heisler Fencing Club 1363 1528 46.2 60%

October Capital Foil & Epee Circuit: Unrated, Senior, Youth

Unrated Mixed Foil E1, U October 3, 2026

Place 1 of 10 Seed 7 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:1 QIAO Alexander 9 - U 7 Heisler Fencing Club 2500 782 28.8 5%
Pool
V 5:1 MESSINA Liam 2 - U 3 Napa Valley Fencing Academy / Capital Fencing Club 699 811 15.5 57%
Pool
V 4:1 MAZZA DDS Daniel (Dan) G. 3 - U 6 Davis Fencing Academy 1041 826 23.5 36%
Pool
V 5:3 VOLLMER Charlotte 10 - U 8 Heisler Fencing Club - - - -
T8
V 15:3 QIAO Alexander 9 - U 7 Heisler Fencing Club 2500 1133 104.5 10%
T4
V 15:6 WONG Joshua 6 - U 3 Heisler Fencing Club 2565 1238 103.8 10%
T2
V 15:7 CHAVEZ Ronan 8 - U 2 Heisler Fencing Club 1338 1342 58.9 50%

Fall Series: Unrated Senior Mixed Epee, Open Senior Mixed Epee. Unrated Senior Mixed Foil, Open Senior Mixed Foil

Senior Mixed Foil D1, SNR September 27, 2026

Place 14 of 20 Seed 19 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 0:5 BONELLO Eugenio 7 - E26 3 1524 806 6.0 17%
Pool
D 4:5 MESSINA Liam 10 - U 10 Napa Valley Fencing Academy 579 800 24.1 64%
Pool
D 0:5 WENDLER Lauren 2 - C24 5 Davis Fencing Academy / North Bay Fencing Academy - - - -
Pool
V 5:0 ANTONINI Lorenzo 15 - U 19 Heisler Fencing Club 125 776 6.3 85%
T32
V 15:5 ANTONINI Lorenzo 15 - U 19 Heisler Fencing Club 1042 1089 68.1 52%
T16
D 4:15 BONELLO Eugenio 7 - E26 3 1936 1157 24.0 17%

Fall Series: Unrated Senior Mixed Epee, Open Senior Mixed Epee. Unrated Senior Mixed Foil, Open Senior Mixed Foil

Unrated Mixed Foil E1, U September 27, 2026

Place 2 of 10 Seed 5 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:1 REKSOSAMUDRA Ashley 10 - U 7 University of California Davis - - - -
Pool
V 5:1 ANTONINI Eric 4 - U 10 Heisler Fencing Club 143 760 7.3 82%
Pool
V 5:2 MESSINA Liam 9 - U 6 Napa Valley Fencing Academy 613 767 15.8 60%
Pool
V 5:0 HONG Elliot 1 - U 3 Davis Fencing Academy 935 783 23.2 40%
T8
V 15:8 MAZZA Daniel 7 - U 8 Davis Fencing Academy 1220 851 151.4 30%
T4
V 15:10 HONG Elliot 1 - U 3 Davis Fencing Academy 992 1003 86.3 51%
T2
D 3:15 WANG Ellen 6 - U 1 Bay Area Fencing Club - - - -

Summer Nationals and July Challenge

Div III Men's Foil C3, DV3 July 6, 2026

Place 106 of 178 Seed 156 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 3:5 VERDEJO-BUISSON Nicolas 105 - E26 73 Salle De Long Fencers 1063 636 11.8 24%
Pool
V 5:3 FACKRELL Jacen 159 - U 162 Wasatch Fencing 1068 624 34.9 24%
Pool
D 1:5 ALCAZAREN Cian 104 - E26 29 Bay Area Fencing Club 1606 659 3.5 6%
Pool
V 5:4 WEBSTER Liam 1 - C26 89 The Fencers Academy / Fencing Institute Of Texas 1596 655 53.7 6%
Pool
D 1:5 REARDON Patrick M. 52 - D26 80 Exeter Fencing Academy 1737 709 2.7 5%
Pool
V 5:4 KOE Beckett 53 - D26 103 Fioretto Fencing Academy 1681 707 53.1 5%
T128
D 4:15 GLICKSBERG Alexander 51 - D26 41 Worldwide Fencing Academy 1735 879 27.8 10%

Summer Nationals and July Challenge

Y-14 Men's Foil A4, Y14 July 4, 2026

Place 264 of 329 Seed 268 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 4:5 WEBSTER Liam 117 161 C26 96 The Fencers Academy / Fencing Institute Of Texas 1567 634 4.0 6%
Pool
D 3:5 BHUPATHIRAJU Arjun 76 98 D26 133 Northwest Fencing Center 1731 630 2.4 4%
Pool
D 3:5 MINN Nathan 213 - E26 179 South Denver Fencing Academy 1196 627 9.4 18%
Pool
D 0:5 QIAN Will 171 243 E26 111 Tim Morehouse Fencing Club (Port Chester) 1552 618 3.9 6%
Pool
V 5:3 TOTH Leland 309 - U 314 German Fencing Academy 593 614 22.4 51%
Pool
D 3:5 SHIN Noah 21 27 B26 50 OnTarget Fencing Club 2179 636 0.5 1%

PFA June Sanctioned Senior Mixed Foil

Senior Mixed Foil A2, SNR June 13, 2026

Place 24 of 27 Seed 24 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 4:5 SAFTA Aidan 15 - E26 18 Bida Fencing Academy 1477 672 5.9 9%
Pool
D 4:5 HINTZ Rayan 25 - U 23 Davis Fencing Academy 963 666 16.2 32%
Pool
D 2:5 BURAGOHAIN Aiden 10 - D26 8 Prime Fencing Academy 1678 650 3.1 5%
Pool
D 1:5 WILLIAMS Matthew 18 - E25 14 Prime Fencing Academy 1114 647 11.8 22%
Pool
D 0:5 DOLZHENKO Bogdan 2 - A22 2 Prime Fencing Academy 3894 635 0.0 < 1%
Pool
D 2:5 AGARWAL Savya 7 - C25 10 Prime Fencing Academy 1894 635 1.5 2%

Pleasanton Trophy @ Bay Area Fencing Club

Y-14 Mixed Foil U, Y14 June 7, 2026

Place 12 of 18 Seed 3 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:3 TANG Clementine 10 - U 15 - - - -
Pool
V 5:4 VUNDAVALLY Ria 17 - U 16 Prime Fencing Academy - - - -
Pool
D 4:5 COLIC LANI 4 - U 10 Elite Zone Fencing Academy - - - -
Pool
D 3:5 SITU Baiqin 11 - U 1 San Francisco Fencing Academy 1350 680 8.2 14%
Pool
V 5:4 TANG Ming-Hao Audrey 12 - U 13 Silicon Valley Fencing Center - - - -
T16
D 11:15 DONG Nancy 5 - U 5 Silicon Valley Fencing Center - - - -

DFA Spring Series: Senior Mixed Foil, Senior Mixed Epee

Senior Mixed Foil D1, SNR April 19, 2026

Place 12 of 17 Seed 16 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:0 BUTZ Beau 10 - U 16 Heisler Fencing Club 814 677 28.4 42%
Pool
D 1:5 BANDEGAN Audreen 3 - D23 3 University of California Davis 1795 705 3.0 4%
Pool
D 2:5 AHN Theodore 4 - E26 7 Davis Fencing Academy 1417 702 7.7 12%
Pool
D 3:5 RAMIREZ Jordan 17 - U 6 Halberstadt Fencers' Club / Davis Fencing Academy 1109 694 13.9 25%
T16
D 4:15 TON Kalista 7 - U 5 - - - -

Challenge by the Bay RYC/RCC/Y8

Y-14 Men's Foil U, Y14 April 4, 2026

Place 38 of 61 Seed 23 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 3:4 SHENOY Neil 47 - U 43 Bay Area Fencing Club / Bay Area Fencing Club Pleasanton 946 673 20.9 33%
Pool
V 5:3 LINTNER-CALVO Julien 32 - U 59 Piedmont Fencing Team -71 652 8.7 87%
Pool
V 5:2 ZHANG Charlie 42 - U 41 Maximum Fencing Club 777 660 34.2 42%
Pool
D 3:5 LEONG Wilson Hua 14 204 E26 13 Golden State Fencing Academy 1651 695 4.5 6%
Pool
D 1:5 YEE Colin 5 90 E25 3 Massialas Foundation (M Team) 1773 690 3.1 4%
Pool
D 1:5 CREMEL Remi 51 - U 22 Silicon Valley Fencing Center 1290 687 10.4 16%
T64
D 12:15 SCHOR William 58 - U 28 Maximum Fencing Club 1028 1003 123.7 49%

Challenge by the Bay RYC/RCC/Y8

Cadet Men's Foil D1, CDT April 3, 2026

Place 33 of 35 Seed 34 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 4:5 MURDOCK Koichi 5 - D25 19 Silicon Valley Fencing Center 1450 741 10.3 13%
Pool
D 2:5 BHANOT Arjun 17 - E25 6 Bay Area Fencing Club 1636 731 6.3 7%
Pool
D 4:5 LI Jake 16 - E25 3 Massialas Foundation (M Team) 1339 724 12.2 16%
Pool
D 4:5 HONG Edwin 6 - E26 24 Golubitsky Fencing Center 1619 712 6.0 7%
Pool
D 2:5 KOLBASSOV Matvey 26 - U 26 Prime Fencing Academy / Las Positas Fencing Center 898 706 24.4 38%
Pool
D 4:5 SITU Baiqin 27 - U 17 San Francisco Fencing Academy 1395 682 9.2 12%
T64
D 6:15 DULAI Agam 32 - U 31 Fresno Fencing Club 1329 1118 114.7 38%

DFA Winter Finale

Senior Mixed Foil C2, SNR February 28, 2026

Place 9 of 28 Seed 25 Not ranked Rating U heislerfencingclub

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 4:5 JAIN Akshat 13 - U 22 Heisler Fencing Club 766 515 30.4 35%
Pool
V 5:1 MAZZA Daniel 19 - U 14 Davis Fencing Academy 1196 485 87.2 13%
Pool
V 5:2 BURAGOHAIN Aiden 4 - D26 3 Prime Fencing Academy 1650 572 107.1 4%
Pool
D 1:5 MIETTINEN Pyry 5 - D25 1 Golden State Fencing Academy / Halberstadt Fencers' Club 1840 679 3.3 3%
Pool
V 5:0 PARO Lewis 12 - U 26 Davis Fencing Academy 205 676 17.8 77%
Pool
V 5:0 BUTZ Beau 21 - U 23 Heisler Fencing Club 1150 694 47.2 27%
T32
V 15:6 WONG Joshua Missing ID 16 - U 24 Heisler Fencing Club - - - -
T16
D 1:15 UZGIRIS Kovas 2 - C24 3 West Berkeley Fencing Club 2407 1133 15.4 3%

DFA Tournament: Senior Mixed Foil, Senior Mixed Epee, Y12 Mixed Foil

Senior Mixed Foil D1, SNR January 25, 2026

Place 16 of 28 Seed 11 Not ranked Rating U heislerfencingclub

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 4:5 CHEUNG Henry 21 - U 13 Maximum Fencing Club 900 454 26.7 24%
Pool
D 1:5 LO Ernest 6 - E25 3 Prime Fencing Academy 1511 428 5.9 4%
Pool
V 5:2 MAZZA Daniel 20 - U 25 Davis Fencing Academy 1255 422 109.4 9%
Pool
D 4:5 PAMUKYAN Levon 12 - U 15 San Jose State University 1208 531 15.5 20%
Pool
D 2:5 NA RONGYAO 3 - D24 3 University of California Davis 2634 516 0.3 < 1%
Pool
V 5:4 GATES Mateo Missing ID 17 - U 22 West Berkeley Fencing Club - - - -
T32
V 15:9 WIEGMANN Liev 15 - U 17 West Berkeley Fencing Club 1948 828 305.0 11%
T16
D 5:15 WENDLER Lauren 1 - C24 2 Davis Fencing Academy / North Bay Fencing Academy - - - -

Treasure Chest RYC/Y8

Y-14 Men's Foil C2, Y14 January 4, 2026

Place 44 of 56 Seed 29 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 0:5 MAO Runxian 9 154 U 33 Silicon Valley Fencing Center 1264 408 14.8 9%
Pool
D 0:5 GARCIA Carter 49 - U 20 Prime Fencing Academy 1184 393 16.9 11%
Pool
D 1:5 DOUGLASS Liam 3 63 D25 3 Prime Fencing Academy 1606 376 4.9 3%
Pool
V 5:3 SCHAMP Eliot 19 - U 51 Piedmont Fencing Team 333 371 57.9 52%
Pool
V 5:4 XIE Kevin 35 - U 47 West Berkeley Fencing Club 265 429 43.0 59%
Pool
D 1:5 NGUYEN Norris 44 - U 23 Maximum Fencing Club 1156 472 17.4 14%
T64
D 2:15 HE Gary 15 197 E25 15 Silicon Valley Fencing Center 1461 934 105.8 24%

Cozmx Fall RYC/RJCC

Y-14 Men's Foil U, Y14 November 23, 2025

Place 57 of 65 Seed 65 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 0:5 HE Ian 23 - E25 6 Silicon Valley Fencing Center 1518 465 12.9 5%
Pool
D 1:5 WANG Ian 38 - U 48 Maximum Fencing Club 571 452 74.2 43%
Pool
D 2:5 PICACHE Crockett 55 - U 38 Halberstadt Fencers' Club 980 377 31.1 18%
Pool
V 5:3 LE Oliver 43 - U 62 Piedmont Fencing Team 337 346 73.5 51%
Pool
D 0:5 DOUGLASS Liam 3 55 D25 2 Prime Fencing Academy 1638 420 5.8 3%
Pool
D 0:5 HUANG Nathan 18 181 D25 9 SoCAL Fencing Center 1585 414 6.5 3%
T64
D 2:15 CHEN Owen 2 49 C25 17 Prime Fencing Academy 1867 1003 69.6 13%

AFM Super Regional SYC/RJCC/ROC Div1A/Vet

Y-14 Men's Foil C3, Y14 November 2, 2025

Place 135 of 142 Seed 140 Not ranked Rating U Heisler Fencing Club

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 1:5 SLAIN Owen 28 89 E25 95 Silicon Valley Fencing Center 1561 762 41.0 12%
Pool
D 1:5 SUN Roy 57 - E25 34 Socal Fencing Center 1646 721 28.6 9%
Pool
D 2:5 CHETWANI naman 69 - U 70 Prime Fencing Academy 997 692 82.3 33%
Pool
D 2:5 WU Vincent Moxiao 99 - U 77 1009 610 63.6 28%
Pool
D 2:5 LIN Zhengxuan 106 - U 113 Bay Area Fencing Club 743 546 77.7 38%
Pool
D 0:5 LI Daniel 15 59 C25 18 Team Touche Fencing Center 1938 468 3.7 1%
T256
D 8:15 LIN Stewart 88 - U 122 Massialas Foundation (M Team) 1291 1317 313.3 51%

DFA Tournament: Senior Mixed Foil, Senior Mixed Epee, Y12 Mixed Foil

Senior Mixed Foil E1, SNR October 19, 2025

Place 17 of 23 Seed 12 Not ranked Rating U heislerfencingclub

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
V 5:4 WIEGMANN Liev 5 - U 15 West Berkeley Fencing Club 2557 717 413.9 5%
Pool
V 5:2 MCLEAN Liyana 23 - U 12 West Berkeley Fencing Club - - - -
Pool
D 1:5 HINTZ Rayan 4 - U 10 Davis Fencing Academy 725 1131 284.0 71%
Pool
D 0:5 HONG Elliot 14 - U 8 Davis Fencing Academy 1282 847 85.1 29%
T32
D 10:15 PARO Lewis 18 - U 16 Davis Fencing Academy 2500 1411 93.8 18%

DFA Tournament: Senior Mixed Foil, Senior Mixed Epee, Y12 Mixed Foil

Senior Mixed Foil E1, SNR September 14, 2025

Place 11 of 16 Seed 14 Not ranked Rating U

Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength		 Strength Change Win
Chance
Pool
D 3:5 HINTZ Rayan 3 - U 12 Davis Fencing Academy 610 2500 1485.8 97%
Pool
D 3:5 FALLON Thomas 10 - U 6 Davis Fencing Academy 1379 1014 174.1 36%
Pool
V 5:2 HART Brennan 4 - U 9 Davis Fencing Academy - - - -
Pool
D 0:5 HONG Elliot 9 - U 3 Davis Fencing Academy 1425 840 123.3 25%
T16
D 10:15 MONOLAKIS Steven 6 - U 3 1223 2500 1089.5 88%