hirotsugu shimauchi — Kassai of the Golden Sand
Kassai of the Golden Sand · Classic Constructed
21-16-1
Record
55.3%
Win %
4
Events
38
Rounds
79%
Meta
-0.3
Perf Δ
Tip: Click any event row to see round-by-round calculations
Calling • July 11th-12th, 2026 • 2nd • 12-3
87%
Meta
+3.2
Perf
70:30
R1 CC
Round 1: Win vs 智行 内海 (Jarl Vetreiði)
70:30
R2 CC
Round 2: Win vs Bryan Kong (Puffin, Hightail)
75:25
R3 CC
Round 3: Win vs Kei Igarashi (Ira, Scarlet Revenger)
50:50
R4 CC
Round 4: Loss vs Lee Ming-Han (Kassai of the Golden Sand)
60:40
R5 CC
Round 5: Win vs Manson Hsiau (Vynnset, Iron Maiden)
35:65
R6 CC
Round 6: Loss vs Hiroaki Miyamura (Fang, Dracai of Blades)
55:45
R7 CC
Round 7: Win vs Yoshiki Inada (Katsu, the Wanderer)
70:30
R8 CC
Round 8: Win vs Mason Galvan (Jarl Vetreiði)
65:35
R9 CC
Round 9: Win vs TAKUYA KOJIMA (Cindra, Dracai of Retribution)
75:25
R10 CC
Round 10: Win vs Hayate Nakamura (Ira, Scarlet Revenger)
65:35
R11 CC
Round 11: Win vs Ryouichi Sakazaki (Valda, Seismic Impact)
60:40
R12 CC
Round 12: Win vs Evan Tanguy (Gravy Bones, Shipwrecked Looter)
60:40
R13 CC
Round 13: Win vs Brodie Spurlock (Vynnset, Iron Maiden)
50:50
R14 CC
Round 14: Win vs shoma yamamura (Kassai of the Golden Sand)
35:65
R15 CC
Round 15: Loss vs Jacob Clements (Arakni, Marionette)
Round-by-Round Breakdown
Win probabilities rounded to nearest 5% for consistency with match display
Swipe left to see all columns →
| Round | Opponent | Expected | Result |
|---|---|---|---|
| R1 | Jarl Vetreiði | 70% | Win |
| R2 | Puffin, Hightail | 70% | Win |
| R3 | Ira, Scarlet Revenger | 75% | Win |
| R4 | Kassai of the Golden Sand | 50% | Loss |
| R5 | Vynnset, Iron Maiden | 60% | Win |
| R6 | Fang, Dracai of Blades | 35% | Loss |
| R7 | Katsu, the Wanderer | 55% | Win |
| R8 | Jarl Vetreiði | 70% | Win |
| R9 | Cindra, Dracai of Retribution | 65% | Win |
| R10 | Ira, Scarlet Revenger | 75% | Win |
| R11 | Valda, Seismic Impact | 65% | Win |
| R12 | Gravy Bones, Shipwrecked Looter | 60% | Win |
| R13 | Vynnset, Iron Maiden | 60% | Win |
| R14 | Kassai of the Golden Sand | 50% | Win |
| R15 | Arakni, Marionette | 35% | Loss |
National Championship • June 20th-21st, 2026 • 47th • 3-4
71%
Meta
-0.9
Perf
50:50
R1 CC
Round 1: Loss vs Iada Caio (Arakni, 5L!p3d 7hRu 7h3 cR4X)
Round 2: Loss vs ヤマモト ダイスケ (Ira, Scarlet Revenger) - Expected: 75:25, favorite upset
60:40
R3 CC
Round 3: Win vs Yoshihiko Kato (Dash I/O)
70:30
R4 CC
Round 4: Win vs Jyunnosuke Yamamoto (Jarl Vetreiði)
75:25
R8 CC
Round 8: Win vs Kunihiko Date (Ira, Scarlet Revenger)
30:70
R9 CC
Round 9: Loss vs 雅仁 富山 (Oscilio, Constella Intelligence)
35:65
R10 CC
Round 10: Loss vs Motoharu Hoso (Arakni, Marionette)
Round-by-Round Breakdown
Win probabilities rounded to nearest 5% for consistency with match display
Swipe left to see all columns →
| Round | Opponent | Expected | Result |
|---|---|---|---|
| R1 | Arakni, 5L!p3d 7hRu 7h3 cR4X | 50% | Loss |
| R2 | Ira, Scarlet Revenger | 75% | Loss |
| R3 | Dash I/O | 60% | Win |
| R4 | Jarl Vetreiði | 70% | Win |
| R8 | Ira, Scarlet Revenger | 75% | Win |
| R9 | Oscilio, Constella Intelligence | 30% | Loss |
| R10 | Arakni, Marionette | 35% | Loss |
Pro Tour • April 10th-12th, 2026 • 151st • 4-4-1
78%
Meta
-0.7
Perf
50:50
R1 CC
Round 1: Loss vs Léo Baty (Kassai of the Golden Sand)
65:35
R2 CC
Round 2: Win vs Trevor Valentine (Jarl Vetreiði)
60:40
R3 CC
Round 3: Win vs Teddy Snyder (Vynnset, Iron Maiden)
Round 4: Draw vs Ignacio Alvarado (Gravy Bones, Shipwrecked Looter) - Expected: 65:35, favorite upset
60:40
R5 CC
Round 5: Loss vs Colin Topper (Vynnset, Iron Maiden)
35:65
R12 CC
Round 12: Loss vs Stephen Henry (Arakni, Marionette)
65:35
R13 CC
Round 13: Win vs Valentin Varga (Cindra, Dracai of Retribution)
R14
R14 CC
Round 14: Win vs None (Unknown)
35:65
R15 CC
Round 15: Loss vs Hao-Han Chuang (Arakni, Marionette)
Round-by-Round Breakdown
Win probabilities rounded to nearest 5% for consistency with match display
Swipe left to see all columns →
| Round | Opponent | Expected | Result |
|---|---|---|---|
| R1 | Kassai of the Golden Sand | 50% | Loss |
| R2 | Jarl Vetreiði | 65% | Win |
| R3 | Vynnset, Iron Maiden | 60% | Win |
| R4 | Gravy Bones, Shipwrecked Looter | 65% | Draw |
| R5 | Vynnset, Iron Maiden | 60% | Loss |
| R12 | Arakni, Marionette | 35% | Loss |
| R13 | Cindra, Dracai of Retribution | 65% | Win |
| R14 | Unknown | 50% | Win |
| R15 | Arakni, Marionette | 35% | Loss |
National Championship • July 5th-6th, 2025 • dropped • 2-5
71%
Meta
-1.8
Perf
Round 1: Loss vs ユウマ ハマザト (Betsy, Skin in the Game) - Expected: 65:35, favorite upset
40:60
R2 CC
Round 2: Loss vs 岡西 達也 (Florian, Rotwood Harbinger)
R3
R3 CC
Round 3: Win vs Gen Shinohara (Dash, Inventor Extraordinaire) - Expected: Not enough data (3 matches)
45:55
R4 CC
Round 4: Loss vs kei kimura (Azalea, Ace in the Hole)
55:45
R5 CC
Round 5: Loss vs Yoshiaki Okamoto (Gravy Bones, Shipwrecked Looter)
55:45
R6 CC
Round 6: Loss vs Mason Galvan (Gravy Bones, Shipwrecked Looter)
70:30
R7 CC
Round 7: Win vs Tatsuaki Tsuchida (Ser Boltyn, Breaker of Dawn)
Round-by-Round Breakdown
Win probabilities rounded to nearest 5% for consistency with match display
Swipe left to see all columns →
| Round | Opponent | Expected | Result |
|---|---|---|---|
| R1 | Betsy, Skin in the Game | 65% | Loss |
| R2 | Florian, Rotwood Harbinger | 40% | Loss |
| R3 | Dash, Inventor Extraordinaire | 50% | Win |
| R4 | Azalea, Ace in the Hole | 45% | Loss |
| R5 | Gravy Bones, Shipwrecked Looter | 55% | Loss |
| R6 | Gravy Bones, Shipwrecked Looter | 55% | Loss |
| R7 | Ser Boltyn, Breaker of Dawn | 70% | Win |
Matchup Breakdown
| Hero | W | L | D | Win% | Matches |
|---|---|---|---|---|---|
| Arakni, Marionette | 0 | 4 | 0 | 0% | 4 |
| Gravy Bones, Shipwrecked Looter | 1 | 2 | 1 | 25% | 4 |
| Ira, Scarlet Revenger | 3 | 1 | 0 | 75% | 4 |
| Jarl Vetreiði | 4 | 0 | 0 | 100% | 4 |
| Vynnset, Iron Maiden | 3 | 1 | 0 | 75% | 4 |
| Kassai of the Golden Sand | 1 | 2 | 0 | 33% | 3 |
| Cindra, Dracai of Retribution | 2 | 0 | 0 | 100% | 2 |
| Arakni, 5L!p3d 7hRu 7h3 cR4X | 0 | 1 | 0 | 0% | 1 |
| Azalea, Ace in the Hole | 0 | 1 | 0 | 0% | 1 |
 Betsy, Skin in the Game | 0 | 1 | 0 | 0% | 1 |
| Dash I/O | 1 | 0 | 0 | 100% | 1 |
| Dash, Inventor Extraordinaire | 1 | 0 | 0 | 100% | 1 |
| Fang, Dracai of Blades | 0 | 1 | 0 | 0% | 1 |
| Florian, Rotwood Harbinger | 0 | 1 | 0 | 0% | 1 |
| Katsu, the Wanderer | 1 | 0 | 0 | 100% | 1 |
| Oscilio, Constella Intelligence | 0 | 1 | 0 | 0% | 1 |
| Puffin, Hightail | 1 | 0 | 0 | 100% | 1 |
| Ser Boltyn, Breaker of Dawn | 1 | 0 | 0 | 100% | 1 |
| 1 | 0 | 0 | 100% | 1 | |
| Valda, Seismic Impact | 1 | 0 | 0 | 100% | 1 |