Joshua Lau — Ser Boltyn, Breaker of Dawn
Ser Boltyn, Breaker of Dawn · Classic Constructed
12-5
Record
70.6%
Win %
2
Events
17
Rounds
53%
Meta
+4.8
Perf Δ
Tip: Click any event row to see round-by-round calculations
Pro Tour • April 10th-12th, 2026 • 89th • 7-2
44%
Meta
+3.2
Perf
R1
R1 CC
Round 1: Win vs Ben Rojas (Fai, Rising Rebellion) - Expected: Not enough data (7 matches)
50:50
R2 CC
Round 2: Win vs Michael Metallo (Victor Goldmane, High and Mighty)
45:55
R3 CC
Round 3: Loss vs Jeremy Chen (Oscilio, Constella Intelligence)
Round 4: Win vs Matteo Blasi (Jarl Vetreiði) - Expected: 35:65, underdog victory
Round 5: Win vs Lee Kimball (Arakni, Marionette) - Expected: 35:65, underdog victory
50:50
R12 CC
Round 12: Win vs Jason Rolfe (Victor Goldmane, High and Mighty)
Round 13: Win vs Roman Legíň (Arakni, Marionette) - Expected: 35:65, underdog victory
Round 14: Win vs Matthew Harris (Arakni, Marionette) - Expected: 35:65, underdog victory
50:50
R15 CC
Round 15: Loss vs Shahmir Samee (Vynnset, Iron Maiden)
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 | Fai, Rising Rebellion | 50% | Win |
| R2 | Victor Goldmane, High and Mighty | 50% | Win |
| R3 | Oscilio, Constella Intelligence | 45% | Loss |
| R4 | Jarl Vetreiði | 35% | Win |
| R5 | Arakni, Marionette | 35% | Win |
| R12 | Victor Goldmane, High and Mighty | 50% | Win |
| R13 | Arakni, Marionette | 35% | Win |
| R14 | Arakni, Marionette | 35% | Win |
| R15 | Vynnset, Iron Maiden | 50% | Loss |
World Championship • November 17-19, 2023 • 75th • 5-3
62%
Meta
+1.5
Perf
25:75
R1 CC
Round 1: Loss vs See Atlantis (Iyslander, Stormbind)
50:50
R2 CC
Round 2: Win vs Francisco Leiva Espanhol (Dash, Inventor Extraordinaire)
30:70
R3 CC
Round 3: Loss vs Arthur Trehet (Dromai, Ash Artist)
50:50
R4 CC
Round 4: Win vs Mark Johnson (Dash, Inventor Extraordinaire)
Round 11: Win vs Matthew Foulkes (Iyslander, Stormbind) - Expected: 25:75, underdog victory
R12
R12 CC
Round 12: Loss vs David Yau (Unknown)
R13
R13 CC
Round 13: Win vs Eugene C (Rhinar, Reckless Rampage) - Expected: Not enough data (7 matches)
65:35
R14 CC
Round 14: Win vs Geoffroy Massard (Bravo, Showstopper)
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 | Iyslander, Stormbind | 25% | Loss |
| R2 | Dash, Inventor Extraordinaire | 50% | Win |
| R3 | Dromai, Ash Artist | 30% | Loss |
| R4 | Dash, Inventor Extraordinaire | 50% | Win |
| R11 | Iyslander, Stormbind | 25% | Win |
| R12 | Unknown | 50% | Loss |
| R13 | Rhinar, Reckless Rampage | 50% | Win |
| R14 | Bravo, Showstopper | 65% | Win |
Matchup Breakdown
| Hero | W | L | D | Win% | Matches |
|---|---|---|---|---|---|
 Arakni, Marionette | 3 | 0 | 0 | 100% | 3 |
| Dash, Inventor Extraordinaire | 2 | 0 | 0 | 100% | 2 |
| Iyslander, Stormbind | 1 | 1 | 0 | 50% | 2 |
| Victor Goldmane, High and Mighty | 2 | 0 | 0 | 100% | 2 |
| Bravo, Showstopper | 1 | 0 | 0 | 100% | 1 |
| Dromai, Ash Artist | 0 | 1 | 0 | 0% | 1 |
| Fai, Rising Rebellion | 1 | 0 | 0 | 100% | 1 |
 Jarl Vetreiði | 1 | 0 | 0 | 100% | 1 |
| Oscilio, Constella Intelligence | 0 | 1 | 0 | 0% | 1 |
| Rhinar, Reckless Rampage | 1 | 0 | 0 | 100% | 1 |
| 0 | 1 | 0 | 0% | 1 | |
| Vynnset, Iron Maiden | 0 | 1 | 0 | 0% | 1 |