JIHYO KOO

2009

Win/Loss Statistics

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Victories 25 - - - - 25
Losses 9 - - - - 9
Win Ratio 73.5% - - - - 73.5%
Pool Victories 18 - - - - 18
Pool Losses 5 - - - - 5
Pool Win Ratio 78.3% - - - - 78.3%
DE Victories 7 - - - - 7
DE Losses 4 - - - - 4
DE Win Ratio 63.6% - - - - 63.6%

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

Scores

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Easy wins 13 - - - - 13
Easy wins as % of wins 52.0% - - - - 52.0%
Close wins 7 - - - - 7
Close wins as % of all wins 28.0% - - - - 28.0%
Close losses 3 - - - - 3
Close losses as % of all losses 33.3% - - - - 33.3%
Big losses 2 - - - - 2
Big losses as % of all losses 22.2% - - - - 22.2%

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

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Victories 1 - - - - 1
Victories as % of all victories 4.0% - - - - 4.0%
Losses - - - - - -
Losses as % of all losses 0.0% - - - - 0.0%
Total 1 - - - - 1
Total as % of all bouts 2.9% - - - - 2.9%

Events

2024-2025 2023-2024 2022-2023 2021-2022 Before 2021 All Time
Events 4 - - - - 4
Tournaments 2 - - - - 2

Competition History


National Championships and July Challenge (Summer Nationals)

Cadet Women's Foil (A4, CDT), July 2, 2025
Place 74 of 262, Seed 246, Not ranked, Rating U
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength
Strength Change Chance of
Victory
Pool D 1:5 SUN Chloe 18 22 A25 8 SoCAL Fencing Center 2869 2734 63.4 42%
Pool V 5:4 XIE Su 59 65 C25 83 Silicon Valley Fencing Center 2062 2671 26.7 83%
Pool V 5:1 LICHTENSTEIGER Megan 170 D24 220 Ohio Fencing Center 1487 2698 5.6 97%
Pool V 5:4 ZELDIN Nadia 94 106 C25 112 Manhattan Fencing Center 2149 2703 27.7 81%
Pool V 5:1 STONE Sydney 212 E25 224 Plymouth/Ann Arbor Fencing Academy 1585 2731 6.3 96%
Pool V 5:3 CHAN Ella 135 D25 203 Massialas Foundation (M Team) 1718 2737 8.9 95%
T256 V 15:12 BERTOLINI Mia 108 C25 202 Marx Fencing Academy 1797 3244 7.3 98%
T128 D 11:15 PUTHOFF Olivia 111 C25 57 2322 3251 294.6 91%

National Championships and July Challenge (Summer Nationals)

Junior Women's Foil (A4, JNR), June 30, 2025
Place 105 of 259, Seed 256, Not ranked, Rating U
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength
Strength Change Chance of
Victory
Pool V 5:3 BIODROWICZ Julia 125 152 B24 181 RedStar Fencing Club Chicago 2374 3361 28.2 92%
Pool D 4:5 MCSHERRY Ava 49 58 B25 35 Fencers Club Inc. 2648 3390 270.3 86%
Pool V 5:0 PARANJAPE Ojasvi 201 D25 250 Bluegrass Fencers' Club / Queen City Fencers Club LLC 1083 3119 0.5 > 99%
Pool V 5:4 KIM Rachel 28 34 A25 15 Silicon Valley Fencing Center 2623 3120 54.8 77%
Pool D 2:5 KO Claire 104 125 A24 147 Elite International Fencers Club 2325 3175 224.6 90%
Pool D 2:5 BASILE Gianna 179 C24 89 Manchen Academy Of Fencing 1944 2950 215.6 94%
T256 V 15:6 SHA Yi Ling 148 B24 154 Moe Fencing Club LLC / Gold Fencing Club 2443 3344 41.4 90%
T128 D 5:15 EYER Hailey M. 4 7 A25 3 Manchen Academy Of Fencing 3461 3386 141.6 46%

International Regional Circuit Guangzhou

Junior Women's Foil (E1, JNR), December 29, 2024
Place 5 of 31, Seed 25, Not ranked, Rating U
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength
Strength Change Chance of
Victory
Pool V 5:2 LIU Yihan 5 U 22 1746 3156 20.3 96%
Pool V 5:1 HE Ashley 24 U 30 LA International Fencing 2049 3176 35.8 91%
Pool V 5:0 ZHU Zeqi 16 U 21 2159 3212 40.0 88%
Pool V 5:0 WANG YUE YAO 6 U 12 2755 3252 83.6 73%
Pool V 5:3 CHEN Liqi 15 U 3 2244 3336 25.6 93%
T16 V 15:4 CAO Cici 9 U 14 2919 3420 107.4 71%
T8 D 14:15 ZHONG Linlang 18 U 2 3425 3528 183.5 55%

International Regional Circuit Guangzhou

Cadet Women's Foil (E1, CDT), December 28, 2024
Place 2 of 31, Seed 10, Not ranked, Rating U
Bout Score Opponent Seed Rank Rating Place Club Opponent
Strength
Strength Change Chance of
Victory
Pool V 5:0 HAN Kate 30 U 27 Precision Athletics Fencing Club 1791 2500 278.1 74%
Pool V 2:1 ZHANG Junyi Irina 1 E24 8 2376 2778 290.8 67%
Pool V 5:1 XIAO Sophia 31 U 30 1542 3069 47.0 93%
Pool D 2:5 QIU YIXIN 21 U 9 2790 3116 333.1 63%
Pool V 5:4 ZHONG Linlang 11 U 3 3341 2783 316.9 28%
Pool V 5:0 LI Qingyi 22 U 23 Star Fencing Academy 2146 3100 56.4 87%
T32 V 15:6 LEE Jian 18 U 29 2500 2500 420.5 50%
T16 V 15:5 KIM HA EUN 25 U 16 2921 2921 351.3 50%
T8 V 15:12 CHEN Lizihan 15 U 7 2577 3272 165.3 77%
T4 V 15:10 CHEN hongdian 27 U 3 3096 3437 199.8 65%
T2 D 13:15 LEE DAHYOON 17 U 1 3658 3637 216.6 49%